Khanok Ratanakhanokchai

Academic Position : Professor

Tel. : (+66)2-470-7755

Email :

Research Interests


Ph.D. (Applied Biological Chemistry),Tokyo University of Agricultural and Technology, Japan

Recent Publications

  1. Mongkorntanyatip, K, Limsakul, P.,Ratanakhanokchai, K., Khunrae, P. 2018 “Overexpression and characterization of alkaliphilic Bacillus firmus strain K-1 xylanaseAgriculture and Natural Resources, Volume 51, Issue 6, December 2017, Page 437-444
  2. Shikata, ASermsathanaswadi, J ; Thianheng, P ; Baramee, S ; Tachaapaikoon, CWaeonukul, R ; Pason, P ; Ratanakhanokchai, K ; Kosugi, A 2018 “Characterization of an Anaerobic, Thermophilic, Alkaliphilic, High Lignocellulosic Biomass-Degrading Bacterial Community, ISHI-3, Isolated from Biocompost” ENZYME AND MICROBIAL TECHNOLOGY Volume: 118  Pages: 66-75
  3. Aikawa, SBaramee, S ; Sermsathanaswadi, JThianheng, P ; Tachaapaikoon, C ; Shikata, A ; Waeonukul, R ; Pason, P ; Ratanakhanokchai, K  ; Kosugi, A 2018 “Characterization and high-quality draft genome sequence of Herbivorax saccincola A7, an anaerobic, alkaliphilic, thermophilic, cellulolytic, and xylanolytic bacterium” SYSTEMATIC AND APPLIED MICROBIOLOGY   Volume: 41    Pages: 261-269
  4. Apiwatanapiwat, WVaithanomsat, P ; Thanapase, W ; Ratanakhanokchai, K ; Kosugi, A 2018 “Xylan supplement improves 1,3-propanediol fermentation by Clostridium butyricum” JOURNAL OF BIOSCIENCE AND BIOENGINEERING   Volume: 125   Pages: 662-668
  5. Wongwilaiwalin, SMhuantong, W ; Champreda, V ; Tangphatsornruang, S ; Panichnumsin, P ; Ratanakhanokchai, K ; Tachaapaikoon, C 2018 “Structural and metabolic adaptation of cellulolytic microcosm in co-digested Napier grass-swine manure and its application in enhancing thermophilic biogas production” RSC ADVANCES Volume: 8 Issue: 52 Pages: 29806-29815
  6. Sonklin, C ; Laohakunjit, N ; Kerdchoechuen, O ; Ratanakhanokchai, K.  2018 “ Volatile flavour compounds, sensory characteristics and antioxidant activities of mungbean meal protein hydrolysed by bromelain”  JOURNAL OF FOOD SCIENCE AND TECHNOLOGY-MYSORE Volume: 55  Pages: 265-277
  7. จักรกฤษณ์ เตชะอภัยคุณ, SOBRONEY HENG, ภัทรา ผาสอน, รัตติยา แววนุกูล, สิริลักษณ์ บารมี, Akihiko Kosugi, ปรารถนา เกตุบท, SREYNEANG NHIM, วราภรณ์ อภิวัฒนาภิวัต, กนก รัตนะกนกชัย, 2561, “A Newly Isolated Halophilic Anaerobic Bacterium That Producing ?-Glucosidase, Halanaerobium praevalens Strain SP3-14 from Saltern Ponds”, การประชุมทางวิชาการของมหาวิทยาลัยเกษตรศาสตร์ ครั้งที่ 56 , 30 มกราคม 2561-2 กุมภาพันธ์ 2561, มหาวิทยาลัยเกษตรศาสตร์, จ.กรุงเทพ, ไทย, หน้า 88-95.
  8. รัตติยา แววนุกูล, จักรกฤษณ์ เตชะอภัยคุณ, ภัทรา ผาสอน, SREYNEANG NHIM, กนก รัตนะกนกชัย, สุพิชญา เหล่าทอง, 2561, “การคัดเลือกแบคทีเรียที่สามารถผลิตโอลิโกแซ็กคาไรด์จากอาหารหมักของไทย”, วารสารวิทยาศาสตร์เกษตร , ปีที่ 49, ฉบับที่ 2, หน้า 161-164.
  9. สุพิชญา เหล่าทอง, วงศธร งามเผือก, ภัทรา ผาสอน, จักรกฤษณ์ เตชะอภัยคุณ, ณัฎฐา เลาหกุลจิตต์, กนก รัตนะกนกชัย, รัตติยา แววนุกูล, 2561, “การเพิ่มฤทธิ์ต้านอนุมูลอิสระในกากถั่วเหลือง โดยกระบวนการหมักด้วยแบคทีเรียที่คัดแยกจากถั่วหมักพื้นบ้านของไทย”, วารสารวิทยาศาสตร์เกษตร , ปีที่ 49, ฉบับที่ 2, หน้า 157-160.
  10. วงศธร งามเผือก, สุพิชญา เหล่าทอง, ภัทรา ผาสอน, จักรกฤษณ์ เตชะอภัยคุณ, กนก รัตนะกนกชัย, ณัฎฐา เลาหกุลจิตต์, รัตติยา แววนุกูล, 2561, “การคัดแยกเชื้อแบคทีเรียที่สามารถผลิตเอ็กโซพอลิแซ็กคาไรด์จากถั่วหมักพื้นบ้านไทย”, วารสารวิทยาศาสตร์เกษตร , ปีที่ 49, ฉบับที่ 2, หน้า 1-4.
  11. Baramee, S; Teeravivattanakit, T; Phitsuwan, P; Waeonukul, RPason, P ; Tachaapaikoon, C  ; Kosugi, A ; Sakka, K ; Ratanakhanokchai, K  2017 “ A novel GH6 cellobiohydrolase from Paenibacillus curdlanolyticus B-6 and its synergistic action on cellulose degradation” APPLIED MICROBIOLOGY AND BIOTECHNOLOGY   Volume: 101  Pages: 1175-1188
  12. Sermsathanaswadi, J; Baramee, S; Tachaapaikoon, C;  Pason, PRatanakhanokchai, K ; Kosugi, A 2017 “The family 22 carbohydrate-binding module of bifunctional xylanase/beta-glucanase Xyn10E from Paenibacillus curdlanolyticus B-6 has an important role in lignocellulose degradation”  ENZYME AND MICROBIAL TECHNOLOGY   Volume: 96   Pages: 75-84
  13. Phitsuwan, PPermsriburasuk, C ; Baramee, S ; Teeravivattanakit, T ; Ratanakhanokchai, K  2017 Structural Analysis of Alkaline Pretreated Rice Straw for Ethanol Production INTERNATIONAL JOURNAL OF POLYMER SCIENCE    Article Number: 4876969   Published: 2017
  14. Teeravivattanakit, TBaramee, S ; Phitsuwan, P ; Sornyotha, S ; Waeonukul, RPason, P ; Tachaapaikoon, C ; Poomputsa, K ; Kosugi, A ; Sakka, KRatanakhanokchai, KChemical Pretreatment-Independent Saccharifications of Xylan and Cellulose of Rice Straw by Bacterial Weak Lignin-Binding Xylanolytic and Cellulolytic Enzymes” APPLIED AND ENVIRONMENTAL MICROBIOLOGY  Volume: 83   Issue: 22
  15. Phakeenuya Vanarat, Ratanakhanokchai Khanok, Wealnukul Rattiya, Pason Patthra, Tachaapaikoon Chakrit, 2017, “Production of cellulolytic enzyme and glucose from paper sludge by Geobacillus kaustophilus C1”, The 6th International Conference on Research in Chemical, Agricultural & Biological Sciences (RCABS-2017) , 27 March 2017-30 March 2017, Singapore, Bencoolen St, Singapore, pp. 174-179
  16. Sornyotha Somphit, Tachaapaikoon Chakrit, Ratanakhanokchai Khanok, Pason Patthra, 2017, “Screening and identification of a novel strain for malic acid production from xylose, Acetobacter persici BX1.”, the 44th International Conference of SSCHE , 22 May 2017-26 May 2017, Dem?novsk? dolina, Slovakia, Dem?novsk? dolina, Slovak Republic, pp. 94-104.
  17. Phitsuwan Paripok, Baramee Sirilak, Teeravivattanakit Thitiporn, Ratanakhanokchai Khanok, 2017, “Carbohydrate binding module as an affinity tag for improving protein purification”, The 5th Asia Pacific Protein Association Conference and 12th International Symposium of the Protein Society of Thailand, 11 July 2017-14 July 2017, The Tide Resort Hotel, Chonburi, Thailand, p. 205.
  18. Phitsuwan Paripok, Sakka Kazuo, Ratanakhanokchai Khanok, 2017, “Optimization of Sodium Hydroxide Pretreatment Enhanced Cellulose Saccharification in Napier Grass using Response Surface Methodology”, The 13th Asian Congress on Biotechnology 2017 (ACB 2017) “Bioinnovation and Bioeconomy”, 23 July 2017-27,
  19. Imjongjairak, SRatanakhanokchai, K ; Laohakunjit, N ;Tachaapaikoon, C  ; Pason, P ; Waeonukul, R 2016 “Biochemical characteristics and antioxidant activity of crude and purified sulfated polysaccharides from Gracilaria fisheri”  BIOSCIENCE BIOTECHNOLOGY AND BIOCHEMISTRY   Volume: 80   Issue: 3   Pages: 524-532
  20. Selamassakul, OLaohakunjit, N ; Kerdchoechuen, O ;Ratanakhanokchai, K 2016 “A novel multi-biofunctional protein from brown rice hydrolysed by endo/endo-exoproteases”  FOOD & FUNCTION   Volume: 7 Issue: 6 Pages: 2635-2644
  21. Apiwatanapiwat, WVaithanomsat, P ; Tachaapaikoon, C ;Ratanakhanokchai, K  ; Kosugi, A 2016  “Effect of cassava pulp supplement on 1,3-propanediol production by Clostridium butyricum” JOURNAL OF BIOTECHNOLOGY   Volume: 230   Pages: 44-46
  22. Phitsuwan, P.Sakka, K.,Ratanakhanokchai, K. 2016 “Structural changes and enzymatic response of Napier grass (Pennisetum purpureum) stem induced by alkaline pretreatmentBioresource Technology 218, pp. 247-256
  23. Phitsuwan, P., Permsriburasuk, C.,Waeonukul, R.,Pason, P.,Tachaapaikoon, C.,Ratanakhanokchai, K. 2016 “Evaluation of fuel ethanol production from aqueous ammonia-treated rice straw via simultaneous saccharification and fermentationBiomass and Bioenergy 93, pp. 150-157
  24. Baramee, S.Teeravivattanakit, T.Phitsuwan, P., Waeonukul, R.Pason, P.Tachaapaikoon, C.Kosugi, A.Sakka, K.Ratanakhanokchai, K. 2016 “A novel GH6 cellobiohydrolase from Paenibacillus curdlanolyticus B-6 and its synergistic action on cellulose degradationApplied Microbiology and Biotechnology 1-14
  25. Teeravivattanakit, TBaramee, S ; Phitsuwan, P  ; Waeonukul, R ; Pason, P  ; Tachaapaikoon, C  ; Sakka, K ; Ratanakhanokchai, K 2016 “Novel Trifunctional Xylanolytic Enzyme Axy43A from Paenibacillus curdlanolyticus Strain B-6 Exhibiting Endo-Xylanase, beta-D-Xylosidase, and Arabinoxylan Arabinofuranohydrolase Activities” APPLIED AND ENVIRONMENTAL MICROBIOLOGY  Volume: 82   Issue: 23   Pages: 6942-6951
  26. Phitsuwan, P. and Ratanakhanokchai K. (2015) The Recovery and bioproperties of a xylanolytic miulti-enzyme complex from Tepidimicrobium xylanilyticum BT14. Journal of Molecular Catalysis B: Enzymatic, Vol. 120, pp. 28-37.
  27. Wongratpanya, K., Imjongjairak, S., Waeonukul, R., Sornyotha, S., Phitsuwan, P., Pason, P., Nimchua, T., Tachaapaikoon, C. and Ratanakhanokchai, K. (2015) Multifunctional properties of glycoside hydrolase family 43 from Paenibacillus curdlanolyticus strain B-6 including exo--xylosidase, endo-xylanase, and -L-arabinofuranosidase activities. BioResources, Vol. 10, pp. 2492-2505.
  28. Imjongjairak, S., Karpilanodh, P., Sakka, M., Kyu, K.L., Kimura, T., Ratanakhanokchai, K. and Sakka K. (2015) Characterization of Paenibacillus curdlanolyticus B-6 xylanase, Xyn10C, and its chimeric enzyme fused to a family 3 carbohydrate-binding module, Enzyme and Microbial Technology, Vol. 72, pp. 1-9.
  29. Baramee, S., Phitsuwan, P., Waeonukul, R., Pason, P., Tachaapaikoon, C., Kosugi, A. and Ratanakhanokchai, K. (2015) Alkaline xylanolytic-cellulolytic multienzyme complex from the novel anaerobic alkalithermophilic bacterium Cellulosibacter alkalithermophilus and its hydrolysis of insoluble polysaccharides under neutral and alkaline conditions. Process Biochemistry, Vol. 50, pp. 643-650.
  30. Septiningrum, K., Ohi, H., Waeonukul, R., Pason, P., Tachaapaikoon, C., Ratanakhanokchai, K., Sermsathanaswadi, J., Deng, L., Prawitwong, P. and Kosugi, A. (2015) The GH67 -glucuronidase of Paenibacillus curdlanolyticus B-6 removes hexenuronic acid groups and facilitates biodegradation of the model xylooligosaccharide hexenuronosyl xylotriose. Enzyme and Microbial Technology, Vol. 71, pp. 28-35.