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Professor Dr. Griangsak Eumkeb

Ph.D. (Pharmacology) The Robert Gordon University, UK

Expertise: Clinical Pharmacology, Clinical Toxicology, Antimicrobial Resistance, Medicinal Plants

CURRICULUM VITAE

1. Name : Prof. Dr. Griangsak Eumkeb.

2. Department / School : School of Preclinical Sciences (Pharmacology), Institute of Science.

3. University : Suranaree University of Technology.

4. Degree :

Degree	Field	Date Awarded	Institute / Country
Ph.D.	Pharmacology	1999	The Robert Gordon University, U.K.
B.Sc.	Pharmacy	1989	Chulalongkorn University, Thailand

5. Experiences:

Period	Position	Institution / Firm

2018-Present	Professor	Institute of Science, Suranaree University of Technology.
2016-2017 2004-2015	Associate Professor Assistant Professor	Institute of Science, Suranaree University of Technology.
2002-2005	Assistant Director of The Center for Scientific and Technological Equipment.	Center for Scientific and Technological Equipment, Suranaree University of Technology.
1999-2002	Lecturer	School of Pharmacology, Institute of Science, Suranaree University of Technology.
1989-1994	Pharmacist	MaharatNakhonRatchasima Hospital, Thailand.

Current Professional Field Registration:
Clinical Pharmacology and toxicology, Antimicrobial Resistance, Medicinal plant, Clinical Pharmacy

Members:
1. Thai society of toxicology
2. Thai society of pharmacist
3. Thai pharmacy council
4. The alumni association of Faculty of Pharmaceutical Sciences, Chulalongkorn
University.

Research Grants Awarded:

2018- The Royal Golden Jubilee Ph.D. Program Advisorships (2 Grants): The Thailand

Research Fund, Thailand

2017- The Royal Golden Jubilee Ph.D. Program Advisorships (1 Grant): The Thailand

Research Fund, Thailand

2017-  Newton fund-TRF: PhD Placement for Scholars (2 Grants): British Council, 
          Newton Fund and Thailand Research Fund (TRF)  
       -  The Royal Golden Jubilee Ph.D. Program Advisorships (1 Grant): The Thailand 
           Research Fund,  Thailand

2016- Newton fund: grant for PhD supervisor (1 Grant): British Council, Newton Fund

and Thailand Research Fund (TRF)

2015- The Research and Researchers for Industries-RRi Ph.D. Program Advisorships (1 Grant): The Thailand Research Fund, Thailand

2013- The Royal Golden Jubilee Ph.D. Program Advisorships (1 Grant): The Thailand Research Fund, Thailand

2012- The Royal Golden Jubilee Ph.D. Program Advisorships (1 Grant): The Thailand Research Fund, Thailand

2011: The Royal Golden Jubilee Ph.D. Program Advisorships (1 Grant): The Thailand Research Fund, Thailand
2006-2008: Research Career Development Grant (Metheevijai): The Thailand Research
Fund, Thailand
2003-2004: Research Grant for New Scholar : The Thailand Research Fund-Commission on
Higher Education
2004-2013: Research Grants (10 Grants): National Research Council of Thailand/Institute of
Research and Development, Suranaree University of Technology, Thailand

Award :

2017 : Renowned deed in athletics leader, Suranaree University of Technology

2016 : Renowned deed in athletics leader, Suranaree University of Technology

2015 : Renowned deed in athletics leader, Suranaree University of Technology

2013 : Outstanding alumnus, Nonkipittakom school, Burirum, Thailand

2011 : Renowned deed in athletics leader, Suranaree University of Technology
2010 : Renowned deed in athletics manager, Suranaree University of Technology
2008 : Outstanding alumnus, Nonkipittakom school, Burirum, Thailand
2004 : Renowed Needle of Honor of the Queen Mother academic Olympics.

1994-1999: The Royal Thai Government Scholarship, MUA, to study Ph.D.
in U.K. for 4 years.
1985-1988: Boonrod - Brewery Scholarship for 4 years, Chulalongkorn University,
1983-1984: Bangkok-Bank Scholarship for 2 years, Mahidol University

Scientific Publications :
Referred articles:

Richards, R.M.E., Eumkeb, G.and Marshall, D. (1997). Is the ultrastructural damage caused by subinhibitory concentrations of trimethoprim and sulphadiazine part of their normal mechanism of action? Microbios, 92, 183 - 197.

Eumkeb, G. and Richards, R.M.E. (2005). Reversing beta-lactam antibiotic resistance with flavonoids in Gram positive Bacteria. Acta Horticulturae. Vol 4: 678: 171-178.

Jirawan Oonmetta-aree, Tomoko Suzuki, Piyawan Gasaluck and Griangsak Eumkeb. (2006). Antimicrobial Properties and Action of Galangal (Alpinia galanga Linn.) on Staphylococcus aureus. LWT Food Science and Technology. 39: 1214-1220.
(Impact Factor 2018 = 3.714, SCOPUS SJR 18 = Q1, Web of Sci 18 = Q1)

Punopas, K., Eumkeb, G., Chitsomboon, B. and Nakkiew, P. (2004). The study of antibacterial activity of some medicinal plant in Lamiaceae family. Suranaree J. Sci. Technol. 11:52-59.

Eumkeb, G. and Richards R.M.E. (2004). Reversing b-Lactam Antibiotic Resistance in Gram- positive bacteria by Some Flavonoids. Suranaree J. Sci. Technol. 11:143-150.

Eumkeb, G., Sakdarat, S and Siriwong, S. (2010). Reversing b-lactam antibiotic resistance of Staphylococcus aureus with galangin from Alpinia officinarum Hance and synergism with ceftazidime. Phytomedicine 18(1): 40-45.
(Impact Factor 2018 = 4.180, SCOPUS SJR 18 = Q1, Web of Sci 18 = Q1)

Eumkeb, G. and Duangkham A. (2011). Subacute Toxicify Test of Galangin and ceftazidime in Mice. Thai Journal of Toxicology 26(1): 5-13.

Eumkeb, G., Siriwong, S., Phitaktim, S., Rojtinnakorn, N., Sakdarat, S. (2012). Synergistic activity and mode of action of flavonoids isolated from smaller galangal and amoxicillin combinations against amoxicillin-resistant Escherichia coli. J. Appl. Microbiol. 112, 55-64.
(Impact Factor 2018 = 2.683, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q2)

Munglue, P., Eumkep, G., Wray, S., Kupittayanant, S., 2012. The Effects of Watermelon (Citrullus lanatus) Extracts and L-Citrulline on Rat Uterine Contractility. Reproductive Sciences. 20, 437-448.
(Impact Factor 2018 = 2.559, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q2)

Eumkeb, G., Siriwong, S., Thumanu, K., 2012. Synergistic activity of luteolin and amoxicillin combination against amoxicillin-resistant Escherichia coli and mode of action. Journal of Photochemistry and Photobiology B: Biology. 117, 247-253.
(Impact Factor 2018 = 4.067, SCOPUS SJR 18 = Q1, Web of Sci 18 = Q1)

Eumkeb, G., Chukrathok, S., 2013. Synergistic activity and mechanism of action of ceftazidime and apigenin combination against ceftazidime-resistant Enterobacter cloacae. Phytomedicine. 20, 262-269.
(Impact Factor 2018 = 4.180, SCOPUS SJR 18 = Q1, Web of Sci 18 = Q1)

Teethaisong, Y., Autarkool, N., Sirichaiwetchakoon, K., Krubphachaya, P., Kupittayanant, S. and Eumkeb, G., 2014. Synergistic activity and mechanism of action of Stephania suberosa Forman extract and ampicillin combination against ampicillin-resistant Staphylococcus aureus. J Biomed Sci 21:90 (Impact Factor 2018 = 5.203, SCOPUS SJR 18 = Q1, Web of Sci 18 = Q1)

Siriwong, S., Pimchan, T., Naknarong, W. and Eumkeb, G., 2015. Mode of action and synergy of ceftazidime plus baicalein against Streptococcus pyogenes. Tropical Journal of Pharmaceutical Research. 14, 641-648. (Impact Factor 2018 = 0.439, SCOPUS SJR 18 = Q3, Web of Sci 18 = Q4)

Supatcharee Siriwong, Kanjana Thumanu, Tanaporn Hengpratom, and Griangsak Eumkeb, “Synergy and Mode of Action of Ceftazidime plus Quercetin or Luteolin on Streptococcus pyogenes,” Evidence-Based Complementary and Alternative Medicine, vol. 2015, Article ID 759459, 12 pages, 2015. doi:10.1155/2015/759459 (Impact Factor 2018 = 1.984; SCOPUS SJR 18 = Q1, Web of Sci 18 = Q2)

Eumkeb, G., Tanphonkrang, S., Sirichaiwetchakoon, K., Hengpratom, T. and Naknarong, W., 2017. The synergy effect of daidzein and genistein isolated from Butea superba Roxb on the reproductive system of male mice. Nat Prod Res. 31(6), 672-675. DOI:10.1080/14786419.2016.1180603. (Impact Factor 2018 = 1.999, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q2)

Teethaisong, Y., Eumkeb, G., Nakouti, I., Evans, K., and Hobbs, G. 2016. A combined disc method with resazurin agar plate assay for early phenotypic screening of KPC, MBL and OXA-48 carbapenemases among Enterobacteriaceae. J. Appl. Microbiol. 121:408-14. DOI: 10.1111/jam. 13196, 2016 Aug;121(2):408-14, PMID: 27253907 (Impact Factor 2018 = 2.683, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q2)

Siriwong, S., Teethaisong, Y., Thumanu, K., Dunkhunthod, B., and Eumkeb, G. (2016). The synergy and mode of action of quercetin plus amoxicillin against amoxicillin-resistant Staphylococcus epidermidis. BMC Pharmacology and Toxicology. 17(1): 1-14. DOI: 10.1186/s40360-016-0083-8. (Impact Factor 2018 = 2.103, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q3)

Teethaisong, Y., Eumkeb, G., Chumnarnsilpa, S., Autarkool, N., Hobson, J., Nakouti, I., Hobbs, G., and Evans, K. (2016). Phenotypic detection of AmpC β-lactamases, extended-spectrum- β-lactamases and metallo-β-lactamases in Enterobacteriaceae using a resazurin microtitre assay with inhibitor-based methods. Journal of Medical Microbiology. 65, 1-9. 2016 Aug 1. doi: 10.1099/jmm.0.000326. PMID: 27481506 (Impact Factor 2018 = 1.926, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q4)

Phitaktim, S., Chomnawang, M., Sirichaiwetchakoon, K., Dunkhunthod, B., Hobbs, G., and Eumkeb, G. (2016). Synergism and the mechanism of action of the combination of α-mangostin isolated from Garcinia mangostana L. and oxacillin against an oxacillin-resistant Staphylococcus saprophyticus. BMC Microbiology. 16, 1-14. DOI: 10.1186/s12866-016-0814-4. (Impact Factor 2018 = 3.287, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q2)

Mahidsanana, T., Gasalucka, P., and Eumkeb, G. (2017). A novel soybean flour as cryoprotectant in freeze-dried Bacillus subtilis SB-MYP-1. LWT - Food Science and Technology. 77, 152-159. (Impact Factor 2018 = 3.714, SCOPUS SJR 18 = Q1, Web of Sci 18 = Q1)

Dunkhunthod, B., Thumanu, K., and Eumkeb, G. (2017). Application of FTIR microspectroscopy for monitoring and discrimination of anti-adipogenesis activity of baicalein in 3T3-L1 adipocytes. Vibrational Spectroscopy. 89, 92-101. (Impact Factor 2018 = 1.861, SCOPUS SJR 18 = Q3, Web of Sci 18 = Q3)

Teethaisong, Y., Evans, K., Nakouti, I., Tiamyom, K., Ketudat-Cairns, J.R., Hobbs, G. and Eumkeb, G. (2017). "The performance of a resazurin chromogenic agar plate with a combined disc method for rapid screening of extended-spectrum-beta-lactamases, AmpC beta-lactamases and co-beta-lactamases in Enterobacteriaceae." Microbiol Immunol. 61, 297-304. doi: 10.1111/1348-0421.12499.
(Impact Factor 2018 = 1.442, SCOPUS SJR 18 = Q3, Web of Sci 18 = Q4)

Pimchan, T., Maensiri, D. and Eumkeb, G. (2017). Synergy and mechanism of action of alpha-mangostin and ceftazidime against ceftazidime-resistant Acinetobacter baumannii. Letters in Applied Microbiology. 65(4): 285-291. doi: 10.1111/lam.12789. 2017 Oct; Epub 2017 Sep 3. PMID: 28799218.
(Impact Factor 2018 = 1.805, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q3)

Teethaisong, Y., Pimchan, T., Srisawat, R., Hobbs, G. and Eumkeb, G. (2018). Boesenbergia rotunda (L.) Mansf. extract potentiate the antibacterial activity of some β-lactams against β-lactam-resistant Staphylococci. Journal of Global Antimicrobial Resistance. 12, 207-213. 2017 Nov 1. pii: S2213-7165(17)30206-0. DOI. 10.1016/j.jgar.2017.10.019.
(Impact Factor 2018 = 2.469, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q3)

Pimchan T, Cooper CJ, Eumkeb G, and Nilsson AS. (2018). In vitro activity of a combination of bacteriophages and antimicrobial plant extracts. Letters in Applied Microbiology. 66(3), 182-187. doi: 10.1111/lam.12838. Epub 2017 Dec 20. PMID: 29266343.
(Impact Factor 2018 = 1.805, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q3)

Teethaisong, Y., Hobbs, G., Nakouti, I., Evans, C.E. and Eumkeb, G., (2018). A nitrocefin disc supplemented with ertapenem for rapid screening of carbapenemase-producing Enterobacteriaceae. Diagnostic Microbiology and Infectious Disease. 91, 85-88. DOI: 10.1016/j.diagmicrobio.2017.12.023.
(Impact Factor 2018 = 2.314, SCOPUS SJR 18 = Q1, Web of Sci 18 = Q3)

Rojtinnakorn, N., Temsiripong, Y., Pimchan, T. and Eumkeb, G., (2018). Siamese crocodile plasma synergizes with ceftazidime against ceftazidime-resistant Enterobacter cloacae. Tropical Journal of Pharmaceutical Research. 2018; 17(2):307-317 doi: http://dx.doi.org/10.4314/tjpr.v17i2.16.
(Impact Factor 2018 = 0.439, SCOPUS SJR 18 = Q3, Web of Sci 18 = Q4)

Cheypratub, P., Leeanansaksiri, W. and Eumkeb, G., (2018). The Synergy and Mode of Action of Cyperus rotundus L. Extract Plus Ampicillin Against Ampicillin-Resistant Staphylococcus aureus. Evid Based Complement Alternat Med. vol. 2018, Article ID 3438453, 11 pages, doi:10.1155/2018/3438453.
(Impact Factor 2018 = 1.984; SCOPUS SJR 18 = Q1, Web of Sci 18 = Q2)

Hengpratom, T., Lowe, G., Thumanu, K., Suknasang, S., Tiamyom, K., Eumkeb, G., (2018). Oroxylum indicum (L.) Kurz extract inhibits adipogenesis and lipase activity in vitro. BMC Complementary and Alternative Medicine. 18(1), 177. doi: 10.1186/s12906-018-2244-3.

(Impact Factor 2018 = 2.479, SCOPUS SJR 18 = Q1, Web of Sci 18 = Q2)

Sirichaiwetchakoon, K., Lowe, G.M., Thumanu, K., Eumkeb, G. (2018). The Effect of Pluchea indica (L.) Less. Tea on Adipogenesis in 3T3-L1 Adipocytes and Lipase Activity. Evidence-Based Complementary and Alternative Medicine. vol. 2018, Article ID 4108787, 13 pages, https://doi.org/10.1155/2018/4108787.

(Impact Factor 2018 = 1.984; SCOPUS SJR 18 = Q1, Web of Sci 18 = Q2)

Teethaisong, Y., Nakouti, I., Evans, K., Eumkeb, G. and Hobbs, G., (2019). Nitro-Carba test, a novel and simple chromogenic phenotypic method for rapid screening of carbapeneamase-producing Enterobacteriaceae. Journal of Global Antimicrobial Resistance. 18, 22-25. pii: S2213-7165(19)30019-0. doi: 10.1016/j.jgar.2019.01.012.

(Impact Factor 2018 = 2.469, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q3)

Tiamyom, K., Sirichaiwetchakoon, K., Hengpratom, T., Kupittayanant, S., Srisawat, R., Thaeomor, A. and Eumkeb, G., (2019). The Effects of Cordyceps sinensis (Berk.) Sacc. and Gymnema inodorum (Lour.) Decne. Extracts on Adipogenesis and Lipase Activity In Vitro. Evidence-Based Complementary and Alternative Medicine. vol. 2019, Article ID 5370473, 13 pages, 2019. https://doi.org/10.1155/2019/5370473.

(Impact Factor 2018 = 1.984; SCOPUS SJR 18 = Q1, Web of Sci 18 = Q2)

Suknasang, S., Teethaisong, Y., Kabkhunthod, S., Mingsiritom, N., Chueakwon, P. and Eumkeb, G., (2019). Antibacterial activity of colistin is resurrected by Stephania suberosa Forman extract against colistin-resistant Enterobacter cloacae. Lett Appl Microbiol. 69(2), 128 -135. doi: 10.1111/lam.13187. PMID: 31148182

(Impact Factor 2018 = 1.805, SCOPUS SJR 18 = Q2, Web of Sci 18 = Q3)

Hengpratom, T., Ngernsoungnern, A., Ngernsoungnern, P., Lowe, G. M., & Eumkeb, G. (2020). Antiadipogenesis of Oroxylum indicum (L.) Kurz Extract via PPARg2 in 3T3-L1 Adipocytes. Evidence-Based Complementary and Alternative Medicine, 2020, 10. doi: 10.1155/2020/6720205

(Impact Factor 2018 = 1.984; SCOPUS SJR 18 = Q1, Web of Sci 18 = Q2)

Dunkhunthod, B., Talabnin, C., Murphy, M., Thumanu, K., Sittisart, P., Hengpratom, T. and Eumkeb, G., (2020). Intracellular ROS Scavenging and Anti-Inflammatory Activities of Oroxylum indicum Kurz (L.) Extract in LPS plus IFN-γ-Activated RAW264.7 Macrophages. Evidence-Based Complementary and Alternative Medicine. 2020, 7436920.

(Impact Factor 2018 = 1.984; SCOPUS SJR 18 = Q1, Web of Sci 18 = Q2)

Sirichaiwetchakoon, K., Lowe, G.M., Kupittayanant, S., Churproong, S. and Eumkeb, G., (2020). Pluchea indica (L.) Less. Tea Ameliorates Hyperglycemia, Dyslipidemia, and Obesity in High Fat Diet-Fed Mice. Evidence-Based Complementary and Alternative Medicine. 2020, 8746137.

(Impact Factor 2019 = 1.813; SCOPUS SJR 19 = Q1, Web of Sci JCR19 = Q3)

Sirichaiwetchakoon, K., Lowe, G.M. and Eumkeb, G., (2020). The Free Radical Scavenging and Anti-Isolated Human LDL Oxidation Activities of Pluchea indica (L.) Less. Tea Compared to Green Tea (Camellia sinensis). BioMed Research International. 2020, 4183643. https://doi.org/10.1155/2020/4183643

(Impact Factor 2019 = 2.276; SCOPUS SJR 19 = Q2, Web of Sci JCR19 = Q3)

Hengpratom, T., Lowe, G. M., & Eumkeb, G. (2020). An Insight into Anti-adipogenic Properties of an Oroxylum indicum (L.) Kurz Extract. BMC Complementary Medicine and Therapies, 20, 319 (2020). https://doi.org/10.1186/s12906-020-03111-2

(Impact Factor 2019 = 2.833; SCOPUS SJR 19 = Q1, Web of Sci JCR 19 = Q1)

Watcharawichanan, P., Thumanu, K., Saovana, T., Eumkeb, G. and Siriwong, S., (2020). Fourier transform infrared microspectroscopy for rapid detection of Bacillus cereus and Pseudomonas aeruginosa spoilage in milk. Suranaree Journal of Science and Technology. Available from: http://ird.sut.ac.th/e-journal/Journal/pdf/180601338.pdf

Dunkhunthod, B., Talabnin, C., Murphy, M., Thumanu, K., Sittisart, P. and Eumkeb, G., (2021). Gymnema inodorum (Lour.) Decne. Extract Alleviates Oxidative Stress and Inflammatory Mediators Produced by RAW264.7 Macrophages. Oxidative Medicine and Cellular Longevity. 2021, 8658314.
(Impact Factor 2019 = 5.076; SCOPUS SJR 19 = Q1, Web of Sci JCR 19 = Q2)

Patent

The combination of flavonoids and drugs against Staphylococcus aureus and Enterobacter cloacae : patent asking no: 0601001839 , 2006

Conference Proceedings:

Griangsak Eumkeb, Nichayanan Chaisena, Nitaya Rojtinnakorn, Supatcharee Siriwong, Aphai Duangkham. (2008). P14 Reversing b-Lactam Antibiotic Resistant Bacteria with Flavonoids. In : Proceeding of 30th Pharmacological and Therapeutic Society of Thailand Meeting. 27-28 March 2008. Thai Journal of Pharmacology. Vol 29: No I: 117-126. Bangkok: Ruen Kaew Press.

Siriwong S, Thumanu K, Eumkeb G. (2010). Using FT-IR microspectroscopy to investigate biochemical change of drugs-resistance Escherichia coli treated with amoxicillin and apigenin. In: Proceeding of the 36th Congress on Science and Technology of Thailand (STT36). Abstract Book (Oral presentation, B2_0051/pp70.) 26-28 October 2010, Bangkok, Thailand: Bangkok International Trade & Exhibition Centre (BITEC), Thailand.

Munglue, P., Eumkep, G., Wray, S., Kupittayanant, S., (2012). Uterine Relaxant Effects of Watermelon (Citrullus lanatus) Extracts. , in: The Physiology Society, (Ed.), Physiology 2012. The Physiology Society, Edinburgh International Conference Center, Edinburgh, EH3 8EE, United Kingdom., 27, pp. PC364.

Siriwong, S., Eumkeb, G., 2012. Synergistic effect of penicillin with apigenin and kaempferol against Penicillin-resistant Staphylococcus epidermidis, in: Manosroi, A., Manosroi, J. (Ed.), NATPRO 4, Natural Products for Health and Beauty, The Fourth International Conference on Natural Products for Health and Beauty. Sangreeya Publishing Co., Chiang Mai, Thailand, pp. 368-372.

Naknarong, W., Eumkeb, G., 2012. The effects of Red Kwao Kreu (Butea superba Roxb.) extract on reproductive system of male mice, in: Manosroi, A., Manosroi, J. (Ed.), NATPRO 4, Natural Products for Health and Beauty, The Fourth International Conference on Natural Products for Health and Beauty. Sangreeya Publishing Co, Chiang Mai, Thailand, pp. 193-197.

Eumkeb, G., Phitaktim, S. and Teethaisong, Y. (2013). "Antibacterial Activity of α-Mangostin from the Pericarp Extract of Garcinia mangostana L. against Drug Resistant Bacteria." Proceedings of the 30^th Annual Research Conference in Pharmaceutical Sciences. Thai J. Pharm. Sci. 38 (Suppl): 83-87.

Eumkeb, G., Naknarong, W. and Sirichaiwetchakoon, K. (2013). "The effects of Red Kwao krue (Butea superba Roxb.) extract on reproductive system of male mice." Proceedings of the 30th Annual Research Conference in Pharmaceutical Sciences. Thai J. Pharm. Sci. 38(Suppl): 120-123.

Siriwong S, Krubphachaya P., Thumanu K, Eumkeb G. (2013). "Synergy effect of ceftazidime with flavonoids against Streptococcus pyogenes." Proceedings of the 30th Annual Research Conference in Pharmaceutical Sciences. Thai J. Pharm. Sci. 38(Suppl): 115-118.

Autarkool, N., Teethaisong, Y., Kupittayanant, S., & Eumkeb, G. (2014, May 6-8, 2014). Antibacterial activity of Staphania suberosa extract against methicillin-resistant Staphylococcus aureus Paper presented at the The 5th International Conference on Natural Products for Health and Beauty (NATPRO 5), Moevenpick Resort & Spa Karon Beach Phuket, Thailand.

Rojtinnakorn, N., Kupittayanantb, S., Temsiripong, Y., & Eumkeb, G. (2014, May 6-8, 2014). Antibacterial activity of plasma fractions from Siamese crocodile (Crocodylus siamensis) on Ceftazidime-resistant Enterobacter cloacae Paper presented at the The 5th International Conference on Natural Products for Health and Beauty (NATPRO 5), Moevenpick Resort & Spa Karon Beach Phuket, Thailand.

Eumkeb, G., Duangkham, A., & Hengpratom, T. (2014, May 6-8, 2014.). Subchronic toxicity test of quercetin and cloxacillin in mice. Paper presented at the The 5th International Conference on Natural Products for Health and Beauty (NATPRO 5), Moevenpick Resort & Spa Karon Beach Phuket, Thailand.

Teethaisong, Y., Autarkool, N., & Eumkeb, G. (2014, May 6-8, 2014). Synergistic antibacterial activity of Boesenbergia rotunda extract and β-lactam antibiotic combination against multidrug-resistant bacteria. Paper presented at the The 5th International Conference on Natural Products for Health and Beauty (NATPRO 5), Moevenpick Resort & Spa Karon Beach Phuket, Thailand.

Cheypratub, P., Leeanansaksiri, W., & Eumkeb, G. (2014, May 6-8, 2014). Antibacterial activity of Cyperus rotundus extract against Methicillin-resistant Staphylococcus aureus. Paper presented at the The 5th International Conference on Natural Products for Health and Beauty (NATPRO 5), Moevenpick Resort & Spa Karon Beach Phuket, Thailand

Suknasang, S., Teethaisong, Y., Kabkhunthod, S., Eumkeb, G., (2017). Boesenbergia rotunda extract inhibits β-lactam-resistant Staphylococcus aureus probably by destruction of cytoplasmic membrane. In : The JSPS-NRCT Follow-Up Seminar 2017 and 33rd International Annual Meeting in Pharmaceutical Sciences, Conference proceedings, (Pharmaceutical Chemistry and Natural Products, pp. 233-236). March 2-3, 2017, The Berkeley Hotel Pratunam, Bangkok, Thailand, p. 233-236.

Kabkhunthod, S., Teethaisong, Y., Suknasang, S., Eumkeb, G., (2017). Oroxylum indicum (L.) extract potentiates antibacterial activity of antibiotic against acne-associated pathogens. In : The JSPS-NRCT Follow-Up Seminar 2017 and 33rd International Annual Meeting in Pharmaceutical Sciences, Conference proceedings, (Pharmaceutical and Cosmetic Technology, pp. 241-244). March 2-3, 2017, The Berkeley Hotel Pratunam, Bangkok, Thailand, p. 241-244.

Tiamyom, K., Sirichaiwetchakoon, K. and Eumkeb, G., 2018. Anti-hyperlipidemic Effect of Cordyceps sinensis Extract on Mice, in: Srichana, T. (Ed.), The 5th Current Drug Development 2018 (CDD 2018) and the 3rd Herbal and Traditional Medicine 2018 (HTM2018), Conference proceedings, Oral: OH08. May 23-25, 2018. Prince of Songkla University, Prince of Songkla University, Hat Yai, Songkhla, Thailand, pp. 102-105.

Chueakwon, P., Teethaisong, Y. and Eumkeb, G., 2018. Antibacterial Activity of Stephania suberosa Forman Extract Against Ampicillin-Resistant Enterococcus faecium, in: Srichana, T. (Ed.), The 5th Current Drug Development 2018 (CDD 2018) and the 3rd Herbal and Traditional Medicine 2018 (HTM2018), Conference proceedings, Poster: PH-17. May 23-25, 2018. Prince of Songkla University, Prince of Songkla University, Hat Yai, Songkhla, Thailand, pp. 211-213.

Mingsiritom, N., Suknasang, S., Teethaisong, Y. and Eumkeb, G., 2018. Stephania suberosa Forman Extract Synergistically Inhibited the Growth of Colistin- and Cephalosporins-Resistant Enterobacter cloacae, in: Srichana, T. (Ed.), The 5th Current Drug Development 2018 (CDD 2018) and the 3rd Herbal and Traditional Medicine 2018 (HTM2018). Conference proceedings, Poster: PH-20. May 23-25, 2018. Prince of Songkla University, Prince of Songkla University, Hat Yai, Songkhla, Thailand, pp. 220-222.

Research reports:

Eumkeb,G. and Jinakoon, N. (2003). The study of medicinal plants and supplement food for health of community in NakhonRatchasima province

Eumkeb, G., Duangkham, A., (2012). In vivo toxicity test of galangin. Suranaree University of Technology, NakhonRatchasima, pp. 38.

Eumkeb, G., Chukrathok, S., (2012). Investigation of the effect of galangin on some b-lactam antibiotics resistant bacteria. Suranaree University of Technology, NakhonRatchasima, pp. 33.

Eumkeb, G., Siriwong, S., (2012). Investigation of the effect of some flavonoids on some b-lactam antibiotics resistant bacteria. Suranaree University of Technology, NakhonRatchasima, pp. 57.

Eumkeb, G., Duangkham, A., 2012. In vivo toxicity test of some flavonoids. Suranaree University of Technology, NakhonRatchasima, pp. 59.

Eumkeb, G. and Wongkamsound, K. (2008). Research and development of new antibacterial for treatment of resistant bacteria. Suranaree University of Technology, Nakhon Ratchasima, pp. 40.

Eumkeb, G. and Phitaktim, S. (2012). Antibacterial activity of the pericarp of Garcinia mangostana against drug resistant bacteria. Suranaree University of Technology, Nakhon Ratchasima, pp. 62.

Eumkeb, G. and Rojtinnakorn, N. (2014). The antibacterial activity of plasma from the Thai crocodile (Crocodylus siamensis) on drug resistant bacteria. Suranaree University of Technology, Nakhon Ratchasima, pp. 77.

Eumkeb, G., Sakdarat, S. and Naknarong, W. (2013). Bioactive Compounds form the Tuberous Roots of Butea superba Roxb. Suranaree University of Technology, Nakhon Ratchasima, pp. 107.

Eumkeb, G., Sakdarat, S., Thumanu, K., Tanphonkrang, S., Sirichaiwetchakoon, K., and Naknarong, W. (2016). Optimal dose and toxicity test of Flavonoids isolated from the tuberous Roots of Butea superba Roxb in male mice. Suranaree University of Technology, Nakhon Ratchasima, pp. 68.

Eumkeb, G., Suksaweang, S., Puaninta, C., Sirichaiwetchakoon, K. and Dunkhunthod, B. (2018). Effect of flavonoids on lower blood lipid levels in hyperlipidemic mice. Suranaree University of Technology, Nakhon Ratchasima, pp. 89.

Eumkeb, G., Suksaweang, S., Thumanu, K., Puaninta, C., Chumnarnsilpa, S., Teethaisong, Y., Pimchan T, (2018). The effect of Kaempferia pandurata Roxb. and Garcinia magostana L extract on resistant bacteria. Suranaree University of Technology, Nakhon Ratchasima, pp. 112.

Eumkeb, G., Kupittayanant, S, Suksaweang, S., Chumnarnsilpa, S., Hengpratom, T., Tiamyom, K., (2018). The effects of Cordyceps sinensis and Gymnema inodorum

extracts on antihyperglycemia, antihyperlipidemia in mice and mechanism of action. Suranaree University of Technology, Nakhon Ratchasima, pp. 137.

Technical articles (บทความทางวิชาการ)

Eumkeb, G., 2014. Galangal, From the kitchen to the pharmacy, The Siam Magazine. Siam I Am Co., Ltd., Nakhon Ratchasima, pp. 42-47.

Conference Abstracts:

Eumkeb, G. and Richards, R.M.E. (2003). Reversing b-lactam antibiotic resistance with flavonoids in Gram positive Bacteria. In The 3rd World Congress on Medicinal and Aromatic Plant for Human Welfare (WOCMAP III) From Biodiversity through Science and Technology, Trade and Industry to Sustainable Use, Abstracts Book (Poster presentation, PP04-59, pp.450). 3-7 February 2003, Chiangmai, Thailand : Chiangmai University

Eumkeb, G. and Richards, R.M.E. (2004). Reversing b-lactam antibiotic resistance in Gram positive Bacteria with some flavonoids. In :The 20th FAPA Congress 2004 : Emerging Science and Profession in Pharmacy , Abstracts Book (Oral presentation, PP-O-01, pp. 160). 30 Nov – 3 Dec 2004, Bangkok, Thailand : The Pharmaceutical Association of Thailand under Royal Patronage, Bangkok.

Eumkeb, G. (2005). Investigation of the effect of Some Flavonoids on some b-lactam antibiotics resistant bacteria. In :The Thai research Fund meeting : Senior Thai research Fund researchers meet Junior Thai research Fund researchers,
Abstracts Book (Poster presentation, MRG168/p225, pp. 214.) 14-16 January 2005, Kanchanaburee, Thailand : The Thai Research Fund and The higher education commission, Bangkok.

Eumkeb, G. (2005). Investigation of the effect of Some Flavonoids on some b-lactam antibiotics resistant bacteria. In :The Thai research Fund meeting : Senior Thai research Fund researchers meet Junior Thai research Fund researchers, Abstract Book (Oral presentation, 13-R1-S1-MRG4680168/p227, pp. 1) 13-15 October 2005, Petchaburi, Thailand : The Thai Research Fund and The higher education commission, Bangkok.

Eumkeb, G. Chukratok. S., Suttajit. M. and Ruangrungsi. N. (2005). Investigation of the effect of Some Flavonoids on some b-lactam antibiotics resistant bacteria. In :The 1st International Conference on Natural products for Health and Beauty; From local wisdom to global marketplace. Abstract Book (Oral presentation, O4-1/p232, pp. 124) 17-21 October 2005, Mahasarakham, Thailand : Mahasarakham University, and the higher education commission, Thailand.

Eumkeb, G., Wongkamsound, K (2007). Flavonoids synergy with b-lactam antibiotics against b-lactam-resistant bacteria. In :The Thai research Fund meeting : Senior Thai research Fund researchers meet Junior Thai research Fund researchers 7th, Abstract Book (Poster presentation, P-PHY-B06-RSA4980004 /p26 , pp. 26) 11-13 October 2007, Pattaya, Chonburee,Thailand : The Thai Research Fund and The higher education commission, Bangkok

Eumkeb, G., Wongkamsound, K. (2008). Flavonoids synergy with β-lactam antibiotics against β-lactam-resistant bacteria. The Thai research Fund meeting : Senior Thai research Fund researchers meet Junior Thai research Fund researchers, Abstract Book (Poster presentation, PS-BIO-E20) 16-18 October 2008, Cha-am, Petchaburi, Thailand, Thailand research fund and Commission on higher education: p. 144.

Eumkeb, G., Phitaktim, S., Rojtinnakorn, N., Siriwong, S., Duangkham, A.,Naknarong, W., Wisansawat, J. (2009). Flavonoids synergy with β-lactam antibiotics against β-lactam-resistant bacteria. The Thai research Fund meeting : Senior Thai research Fund researchers meet Junior Thai research Fund researchers, Abstract Book (Poster presentation, PS-BIO-B24) 15-17 October 2009, Cha-am, Petchaburi, Thailand, Thailand research fund and Commission on higher education: p. 105.

Pimchan, T., D. Maensiri, A. S. Nilsson and G. Eumkeb (2016). Antibacterial and Synergy Effect of α-Mangostin from Garcinia mangostana L. and Ceftazidime Combination against Drug-Resistant Bacteria. The Seventeenth RGJ-Ph.D. Congress (RGJ-Ph.D. Congress XVII). The Thailand Research Fund. Abstract Book (Poster presentation, S5-P28). June 8-11, 2016, Jomtien Palm Beach Hotel and Resort, Pattaya, Chonburi., The Thailand Research Fund: p. 308.

Teethaisong, Y., G. Hobbs, K. Evans, I. Nakouti and G. Eumkeb (2016). A Disc Diffusion Method Along with a Resazurin Agar Plate Assay for the Early Characterisation of Carbapenemase-Producing Enterobacteriaceae. the Seventeenth RGJ-Ph.D. Congress (RGJ-Ph.D. Congress XVII). The Thailand Research Fund. Abstract Book (Oral presentation, S4-O3). June 8-11, 2016, Jomtien Palm Beach Hotel and Resort, Pattaya, Chonburi., The Thailand Research Fund: p. 157.

Teethaisong, Y., Eumkeb, G., Evans, E. and Hobbs, G., (2016). Evaluation of Resazurin microtitre plate assay for early phenotypic characterisation of ESBL, AmpC and MBL β-lactamases producing Enterobacteriaceae, in: Society, M. (Ed.), Annual Conference 2016. Microbiology Society, ACC, Abstract Book (Poster presentation, S19/P18). 21-24 March 2016, Liverpool, UK, p. 95.

Teethaisong, Y.; Eumkeb, G.; Nakouti, I.; Evans, K. and Hobbs, G. (2016). Development of a novel, simple and rapid chromogenic method to detect the presence of carbapenemase-producing Enterobacteriaceae. In : IDweek2016, New Orleans convention center (Session 48, Diagnostics: Bacteriology, Sequencing, and Resistance, poster presentation number: 186). 26-30 October 2016, New Orleans, USA.

Teethaisong, Y., Eumkeb, G., Nakouti, I., Evans, K., and Hobbs, G. (2016). A novel, simple chromogenic method to detect the presence of carbapenemase-producing Enterobacteriaceae. In: the SfAM Antimicrobial Resistance Meeting. Abstract Book (Poster presentation, P6), 24 November 2016, London, UK. pp. 10.

Kabkhunthod, S., Pimchan, T., Teethaisong, Y., Hengpratom, T. and Eumkeb, G., (2017). Anti Propionibacterium acnes activity of Oroxylum indicum (L.) extract, in: The 2nd International Conference on Herbal and Traditional Medicine 2017. KKU, Abstract Book (Poster presentation, T5-P-ST-049). 25-27 January 2017, Asia hotel, Bangkok, Thailand, p. 499.

Suknasang, S., Teethaisong, Y., Kabkhunthod, S., Eumkeb, G., (2017). Boesenbergia rotunda extract inhibits β-lactam-resistant Staphylococcus aureus probably by destruction of cytoplasmic membrane. In: The JSPS-NRCT Follow-Up Seminar 2017 and 33rd International Annual Meeting in Pharmaceutical Sciences, Abstract book, (Session 1, Pharmaceutical Chemistry and Natural Products, Oral presentation, OP 6). March 2-3, 2017, The Berkeley Hotel Pratunam, Bangkok, Thailand, p.100.

Kabkhunthod, S., Teethaisong, Y., Suknasang, S., Eumkeb, G., (2017). Oroxylum indicum (L.) extract potentiates antibacterial activity of antibiotic against acne-associated pathogens. In: The JSPS-NRCT Follow-Up Seminar 2017 and 33rd International Annual Meeting in Pharmaceutical Sciences, Abstract book (Session 4, Pharmaceutical and Cosmetic Technology, Oral presentation, OP 13). March 2-3, 2017, The Berkeley Hotel Pratunam, Bangkok, Thailand, p.107.

Teethaisong, Y.; Hobbs, G., Evans, K., Nakouti, I. and Eumkeb, G. (2017). Simple and rapid chromogenic method for screening of carbapenemase-producing Enterobacteriaceae. In: The 5^th RGJ meeting and 118^th RGJ seminar series, Abstract book (Energy for Thailand 4.0, Oral presentation, RGJ5-O-05). May 1-2, 2017, Suranaree University of Technology, Nakhon Ratchasima, Thailand, p. RGJ5-O-05.

Pimchan, T., Maensiri, D., Nilsson, A.S. and Eumkeb, G. (2017). The kinetic interaction of bacteriophage and Oroxylum indicum extract against Escherichia coli. In: The 5^th RGJ meeting and 118^th RGJ seminar series, Abstract book (Energy for Thailand 4.0, Oral presentation, RGJ5-O-06). May 1-2, 2017, Suranaree University of Technology, Nakhon Ratchasima, Thailand, p. RGJ5-O-06.

Hengpratom, T., Thumanu, K. and Eumkeb, G. (2017). Detecting the effect of Oroxylum indicum (L.) on anti-adipogenesis in 3T3-L1 cells using synchroton Fourier transform infrared microspectroscopy. In: The 5^th RGJ meeting and 118^th RGJ seminar series, Abstract book (Energy for Thailand 4.0, Oral presentation, RGJ5-O-07). May 1-2, 2017, Suranaree University of Technology, Nakhon Ratchasima, Thailand, p. RGJ5-O-07.

Hengpratom, T., Eumkeb, G., and Lowe, G.M. (2018). Proposed mechanisms for the action of Oroxylum indicum extract on adipocyte differentiation. The Nineteenth RGJ-Ph.D. Congress (RGJ-Ph.D. Congress XIX). The Thailand Research Fund. Abstract Book (Oral presentation, ABE-O3). June 7-9, 2018, Jomtien Palm Beach Hotel and Resort, Pattaya, Chonburi., The Thailand Research Fund. p. 03.

Hengpratom, T., Lowe, G.M., and Eumkeb, G. (2019). Effects of Oroxylum indicum (L.) Kurz Extract on Lipid Profile of High Fat Diet-Induced Mice. 67th International Congress and Annual Meeting of the Society for Medicinal Plant and Natural Product Research (GA). In Cooperation with the French Society of Pharmacognosy AFERP. Abstract Book (Poster presentation, P-306). September 1-5, 2019, Congress Innsbruck, Innsbruck, Austria. Planta Meddica p. 274-275.

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