1. Content vol.46 no.1 january 2019

2. Bioconversion of crude glycerol into 1,3-propanediol by an anaerobic mixed microbial consortium
Sureewan Sittijunda and Alissara Reungsang

3. Intraspecific variation in plant growth-promoting traits of aureobasidium pullulans
Pei-Feng Sun, I-An Chien, Hong-Su Xiao, Wei-Ta Fang, Chia-Hsuan Hsu and Jui-Yu Chou

4. Identifying a della gene as a height controlling gene in oil palm
Suthasinee Somyong, Kitti Walayaporn, Nukoon Jomchai, Siti Hajar Hassan, Tanapong Yodyingyong, Chalermpol Phumichai, Anek Limsrivilai, Arthorn Saklang, Sudprasong Suvanalert, Chutima Sonthirod, Laurensia Danis Anggradita and Sithichoke Tangphatsornruang

5. Influence of calcium salts on quality and microstructure of minimally-processed litchi fruit
Putkrong Phanumong, Sang Moo Kim, Jurmkwan Sangsuwan, Noppol Leksawasdi and Nithiya Rattanapanone

6. Simultaneous determination of seven inorganic anions in 18 wines samples by suppressed ion chromatography
Dilek Bilgic Alkaya, Serap Ayaz Seyhan and Gulsum Ozgun Guven

7. Kinetics of ultrasound-assisted extraction of flavonoids and triterpenes and structure characterization of chinese northeast black bee propolis
Qingzhi Ding, Ricardo Antonio Wu-Chen, Qi Wu, Hanfei Jiang, Ting Zhang, Lin Luo, Haile Ma*, Shiqiao Ma and Ronghai He

8. Predicting the binding affinity of p38 map kinase inhibitors using free energy calculations
Warabhorn Boonyarat, Patchreenart Saparpakorn and Supa Hannongbua

9. Determination of inorganic arsenic by anodic stripping voltammetry with gold nanoparticles modified screen-printed carbon electrode and anion exchange column preconcentration
Pipoon Boonpeng, Ponlayuth Sooksamiti, Somchai Lapanantnoppakhun and Jaroon Jakmunee

10. High performance liquid chromatography incorporating to short column and micellar mobile phase for determination of some contraceptive drugs
Thanatcha Chaida, Suchada Udomwatwong, Warawut Tiyapongpattana and Napaporn Youngvises

11. Synthesis of starch derived sulfonated carbon-based solid acid as a novel and efficient nanocatalyst for the synthesis of dihydropyrimidinones
Zahra Hoseinabadi and Seied A. Pourmousavi

12. Sulfonated poly(ether sulfone) short-carboxylic multi-walled carbon nanotube composite membrane for vanadium redox flow battery
Xi Mao

13. Late quaternary evolution of songkhla coast, southern thailand, revealed by osl dating
Prakrit Noppradit, Christoph Schmidt, Helmut Drrast and Ludwig Zller

14. Hierarchical multi-label associative classification for protein function prediction using gene ontology
Sawinee Sangsuriyun, Thanawin Rakthanmanon and Kitsana Waiyamai