*4.6. Statistical Analysis*

Data are expressed as mean with standard deviations (SD) of three independent experiments. A software package PASW Statistics 18 for Windows (SPSS Inc., Chicago, USA) was employed for statistical analysis. A *p*-value less than 0.05 was considered statistically significant.

**Author Contributions:** Conceptualization, S.P. and K.L.; methodology, S.P., K.A., and K.L.; validation, S.P., K.A., and K.L.; formal analysis, S.P., K.A., and K.L.; investigation, S.P., K.A., and K.L.; resources, P.C. and N.N.; data curation, S.P., K.A., and K.L.; writing—original draft preparation, S.P.; writing—review and editing, K.L., N.N., and J.S.; visualization, S.P. and K.L.; supervision, K.L.; project administration, K.L.; funding acquisition, K.L. and J.S. All authors have read and agreed to the published version of the manuscript.

**Funding:** This work was supported by Thailand Science Research and Innovation (TSRI), Chulabhorn Research Institute (Grant No. 36821/4274353), and the gran<sup>t</sup> from Center of Excellence on Environmental Health and Toxicology (EHT), OPS, Ministry of Higher Education, Science, Research and Innovation.

**Institutional Review Board Statement:** Not applicable.

**Informed Consent Statement:** Not applicable.

**Data Availability Statement:** The data presented in this study are available on request from the corresponding author.

**Acknowledgments:** The authors would like to thank Pantipa Subhasitanont, Thiwaree Sornprachum, Phichamon Phetchahwang, Narittira Onnok, Phreeranat Montatip, and Photsathorn Mutapat for their technical support. Special thanks should be given to Voraratt Champattanachai for kindly providing HMECs.

**Conflicts of Interest:** The authors declare no conflict of interest.

**Sample Availability:** Samples of the compounds are available from the authors.
