1. Content vol.46 no.4 july 2019
Editorial Board

2. Diversity of culturable endophytic fungi associated with bryophytes, pteridophytes and spermatophytes from dawei mountain nature reserve, china
Yong-Han Gao, Wei-Xiao Bai, Wei-Hong Sun, Wen-Na Zhou, Guang-Li Wu, Zheng-Qing Zhu, Jia-Yun Ma, Hai-Yan Li

3. Biogas production from single digestion of napier grass hydrolysate and co-digestion of solid fraction of microwave acid pretreated napier grass with swine manure
Prawit Kongjan, Alissara Reungsang, Naphatsarnan Phasukaratchai, Sureewan Sittijunda

4. Low-cost production of indole-3-acetic acid fermentation by enterobacter sp.
Pumin Nutaratat and Nantana Srisuk

5. Solvent extraction and measurement of antioxidant activity and total phenolic content from capsicum chinense jacq. cv habanero at different maturity stages
Manuel Moo-Huchin, Mar?a de Lourdes Vargas y Vargas , Jorge Abraham Tamayo-Cortez, Daniel Arc?ngel L?pez-Sauri, Enrique Sauri-Duch, Alejandro Ortiz-Fern?ndez, C?sar Abraham Can-Cauich, David Betancur-Ancona

6. Identification of phenolic compounds in colored rice and their inhibitory potential against ?-amylase
Prinya Wongsa, Jeeranan Chaiwarith, Jitnapa Voranitikul, Janpen Chaiwongkhajorn, Nithiya Rattanapanone and Rikard Lanberg

7. Some physiological responses of raphanus sativus l. var. longipinnatus bailey (brassicaceae) seedlings after being pre-soaked in nacl
Jarunee Jungklang

8. Purification of polycarbonate from aluminum by acid leaching for recycling waste compact discs
Cui Li, Hui Wang, Yingshuang Zhang

9. Gas chromatography-mass spectrometry for quality control of fortified iodine in seasoning powder for instant noodles
Warawut Tiyapongpattana, Worawan Malethong, Woraphot Wanichalanant, Duangjai Nacapricha and Prapin Wilairat

10. Optimization of oleic acid esterification for biodiesel production using br?nsted acidic ionic liquid as a catalyst
Benyong Han, Fang Yin, Shiqing Liu, Xingling Zhao, Jing Liu, Changmei Wang, Hong Yang, Wudi Zhang

11. Gallocyanine as an efficient catalyst for synthesis of benzimidazoles in aqueous ethanol
Min Zhang, Chunshu Liao, Zhenyuan Lin, Bin Li, Yibiao Li and Lu Chen

12. Application of a smartphone to increase effectiveness in the determination of soil ph by using indicators
Sarawut Somnam*, Miki Kanna, and Jaroon Jakmunee

13. Comparison of microwave hydrodistillation and solvent-free microwave extraction for extraction of agarwood oil
Heri Septya Kusuma, Ditta Kharisma Yolanda Putri, Isabel Triesty, Mahfud Mahfud

14. Electronic properties of iron(ii) complexes of 2-(pyridin-2-yl)benzoxazole
Kristian Handoyo Sugiyarto and Harold Andrew Goodwin

15. Influence of recast nicrmo alloy addition on porcelain-fused-to-metal bond strength
Mariusz Walczak, Kazimierz Drozd, Miros?aw Szala, Jacek Caban

16. Assessment of activity concentrations and their associated radiological health risks in commercial infant formulas in thailand
Worawat Poltabtim and Kiadtisak Saenboonruang

17. Stress analysis of circular disk using shear difference method in reflection polariscope
Yongyut Manjit, Apichart Limpichaipanit and Athipong Ngamjarurojana

18. Fuzzy quantitative analysis method for stock selection into portfolio
Wichai Witayakiattilerd