1. Content vol.46 no.2 march 2019
Editorial Board

2. Pharmaceutical and cosmeceutical biological activities of hemp (cannabis sativa l var. sativa) leaf and seed extracts
Aranya Manosroi, Charinya Chankhampan, Bang-on Kietthanakorn, Warintorn Ruksiriwanich, Puxvadee Chaikul, Korawinwich Boonpisuttinant, Mathukorn Sainakham, Worapaka Manosroi, Theeraphong Tangjai and Jiradej Manosroi

3. Enhanced growth and ethanol oxidation by overexpressed caia gene encoding acyl-coa dehydrogenase in komagataeibacter medellinensis nbrc 3288
Phisurang Konjanda, Toshiharu Yakushi, Kazunobu Matsushita and Gunjana Theeragool

4. Isolation of a high potential thermotolerant strain of zymomonas mobilis for ethanol production at high temperature using ethyl methane sulfonate mutagenesis
Jatupat Samappito, Preekamol Klanrit, Sudarat Thanonkeo, Mamoru Yamada and Pornthap Thanonkeo

5. Isolation of a novel collagenase-producing strain from animal bone wastes and optimization of its enzyme production
Lili Liu, Yuanyuan Meng, Xiaoning Dai and Ke Chen

6. Nematicidal activities of bacterial volatiles frompseudoduganella violaceinigra g5-3 and novosphingobium pokkalii g8-2 against the pine wood nematode bursaphelenchus xylophilus
Fang Wang, Qunqun Guo, Linsong Wang, Yi Ma, Tingting Zhang and Ronggui Li

7. Effect of effective microorganisms (em) with liquid organic fertilizer on the growth of pak choy (brassica rapa var. chinensis) seedlings
Nuntavun Riddech, Le Nguyen Xuan Phuong and Tran Thi Ai Van

8. Potential of selected mangrove streptomyces as plant growth promoter and rice bakanae disease control agent
Wasu Pathom-aree, Satidaporn Kreawsa, Manita Kamjam, Shinji Tokuyama, Sada Yoosathaporn and Saisamorn Lumyong

9. Chemical constituents from the twigs of decaneuropsis vagans (asteraceae) and its chemotaxonomic study
Anuruk Chailungka, Puttinan Meepowpan and Aroonchai Saiai

10. Anti-inflammatory, antioxidant activities and safety of coffea arabica leaf extract for alternative cosmetic ingredient
Kanokwan Kiattisin, Nichcha Nitthikan, Worrapan Poomanee, Pimporn Leelapornpisid, Helmut Viernstein and Monika Mueller

11. Flow injection potentiometric method based on ce(iv)/ce(iii) redox reaction for determination of total antioxidant capacity
Puttaporn Klayprasert, Kritsana Jitmanee, Napaporn Youngvises and Jaroon Jakmunee

12. Determination of cadmium in vegetables by sequential injection analysis method using 8-hydroxyquinoline as complexing agent
Kanokwan Chaiyasing, Boonsom Liawruangrath, Surapol Natakankitkul, Sakchai Satienperakul, Wasan Sirisungworawong, Narabhats Rannurags and Saisunee Liawruangrath

13. Determination of copper(ii) and cadmium(ii) in rice samples by anodic stripping square wave voltammetry using reduced graphene oxide/polypyrrole composite modified screen-printed carbon electrode
Ploypailin Petsawi, Patrawadee Yaiwong, Rawiwan Laocharoensuk and Kontad Ounnunkad

14. Preparation and characterization of core-shell magnetite nanoparticles-polycaprolactone, core-shell natural rubber- polycaprolactone for toughness enhancement of poly(lactic acid)
Warangkhana Phromma and Rathanawan Magaraphan

15. Preparation and characterization of ylang-ylang (cananga odorata) essential oil and ascorbic acid loaded olive oil-in-water emulsion
Vicit Rizal Eh Suk, Khalisanni Khalid and Misni Misran

16. Preparation characterization and application of novel tio2 membrane in photocatalytic reactor
Miao Yingchun, Xu Xiaolin, Liu Kaiquan, Jin Zhitao, Cheng Yuqin and Zhao Xiyan

17. Influence of sintering temperature on phase formation, microstructure and mechanical properties of the recycled ceramic body derived from cad/cam dental zirconia waste
Chana Sriboonpeng, Jeeranan Nonkumwong, Laongnuan Srisombat, Attavit Pisitanusorn and Supon Ananta

18. Synthesis and characterization of admicelled natural rubber with poly(methyl methacrylate)-co-poly((3-trimethoxysilyl) propyl methacrylate) and evaluation of the properties of its vulcanizates
Suparat Nooma and Rathanawan Magaraphan

19. Influence of plasma in the vicinity of io on brightness and angular extension of io’s magnetic footprint
Suwicha Wannawichian and Arthit Laphirattanakul