Amin, S. A., Bhattacharya, P., Basak, S., Gayen, S., Nandy, A., & Saha, A. (2017). Pharmacoinformatics study of piperolactam A from piper betle root as new lead for non steroidal anti fertility drug development. Computational Biology and Chemistry, 67, 213-224. doi:10.1016/j.compbiolchem.2017.01.004

Demirkiran, O., Topcu, G., Azarpira, A., & Choudhary, M. I. (2014). Tyrosinase inhibitory activity of chemical constituents of euphorbia macrostegia. Chemistry of Natural Compounds, 50(5), 810-813. doi:10.1007/s10600-014-1089-3

Huang, M., Zhang, L., Zhou, F., Ma, X., Li, Z., Zhong, T., & Zhang, Y. (2016). A new ursane triterpenoid possessing cytotoxicity from the fruits of vitex trifolia var. simplicifolia. Chemistry of Natural Compounds, 52(4), 660-663. doi:10.1007/s10600-016-1733-1

Hyeon Kim, A., Jang, J. H., Woo, K. W., Park, J. E., Lee, K. H., Jung, H. K., . . . Cho, H. W. (2018). Chemical constituents of dicentra spectabilis and their anti-inflammation effect. Journal of Applied Biological Chemistry, 61(1), 39-46. doi:10.3839/jabc.2018.006

Jantan, I. B., Ahmad, A. R., Ahmad, A. S., & Ali, N. A. M. (1994). A comparative study of the essential oils of five piper species from peninsular malaysia. Flavour and Fragrance Journal, 9(6), 339-342. doi:10.1002/ffj.2730090611

Lin, C. -., Hwang, T. -., Chien, C. -., Tu, H. -., & Lay, H. -. (2013). A new hydroxychavicol dimer from the roots of piper betle. Molecules, 18(3), 2563-2570. doi:10.3390/molecules18032563

Lin, C. L., Kao, C. L., Li, W. J., Li, H. T., & Chen, C. Y. (2018). Secondary metabolites from the stems of cinnamomum kanehirai. Chemistry of Natural Compounds, 54(4), 762-763. doi:10.1007/s10600-018-2466-0

Ragasa, C. Y., Cornelio, K., Bauca, T., Chua, S., & Shen, C. -. (2015). Chemical constituents of the leaves, stems, and fruits of synsepalum dulcificum. Chemistry of Natural Compounds, 51(3), 588-589. doi:10.1007/s10600-015-1356-y

Salleh, W. M. N. H. W., Abdullah, N., Hashim, N. A., Khong, H. Y., & Khamis, S. (2019). Aporphine alkaloids from piper erecticaule and acetylcholinesterase inhibitory activity. [Alcaloides de aporfina obtenida de piper erecticaule y actividad inhibitoria de la acetilcolinesterasa] Boletin Latinoamericano y Del Caribe De Plantas Medicinales y Aromaticas, 18(5), 527-532. doi:10.35588/blacpma.19.18.5.35

Salleh, W. M. N. H. W., Ahmad, F., Heng Yen, K., & Zulkifli, R. M. (2016). Anticholinesterase and anti-inflammatory constituents from beilschmiedia pulverulenta kosterm. Natural Product Sciences, 22(4), 225-230. doi:10.20307/nps.2016.22.4.225

Salleh, W. M. N. H. W., Ahmad, F., Khong, H. Y., & Zulkifli, R. M. (2016). Chemical constituents and bioactivities from the leaves of beilschmiedia glabra kosterm (lauraceae). [Beilschmiedia glabra yapraklarıından izole edilen kimyasal bileşenlerin biyolojik etkinleri] Marmara Pharmaceutical Journal, 20(3), 401-407. doi:10.12991/mpj.20162079371

Salleh, W. M. N. H. W., Ahmad, F., & Yen, K. H. (2014). Antioxidant and anti-tyrosinase activities from piper officinarum C.DC (piperaceae). Journal of Applied Pharmaceutical Science, 4(5), 87-91. doi:10.7324/JAPS.2014.40516

Salleh, W. M. N. H. W., Ahmad, F., & Yen, K. H. (2015). Chemical constituents from piper caninum and antibacterial activity. Journal of Applied Pharmaceutical Science, 5(6), 020-025. doi:10.7324/JAPS.2015.50604

Salleh, W. M. N. H. W., Ahmad, F., Yen, K. H., Zulkifli, R. M., & Sarker, S. D. (2016). Madangones A and B: Two new neolignans from the stem bark of beilschmiedia madang and their bioactivities. Phytochemistry Letters, 15, 168-173. doi:10.1016/j.phytol.2016.01.004

Salleh, W. M. N. H. W., Hashim, N. A., Ahmad, F., & Yen, K. H. (2014). Anticholinesterase and antityrosinase activities of ten piper species from malaysia. Advanced Pharmaceutical Bulletin, 4, 527-531. doi:10.5681/apb.2014.078

Salleh, W. M. N. H. W., Hashim, N. A., & Khamis, S. (2019). Chemical constituents and lipoxygenase inhibitory activity of piper stylosum MiQ. Bulletin of the Chemical Society of Ethiopia, 33(3), 587-592. doi:10.4314/bcse.v33i3.19

Salleha, W. M. N. H. W., Ahmada, F., & Yenb, K. H. (2014). Chemical compositions and antimicrobial activity of the essential oils of piper abbreviatum, P. erecticaule and P. lanatum (piperaceae). Natural Product Communications, 9(12), 1795-1798. Retrieved from www.scopus.com