Dorothy, C. (1994). The world of Magnolias. Timber Press, Inc. Portland, Oregon.
Burkill, I.H. (1966). A dictionary of the economic product of Malay Peninsula. Kuala Lumpur: Ministry of Agriculture and Co-operatives.
Mabberley, D.J. (2017). Mabberley’s Plant-Book: A Portable Dictionary of Plants, Their Classification and Uses, Cambridge University Press.
Kuribara, H., Kishi, E., Hattori, N., Okada, M. and Maruyama, Y. (2000). The anxiolytic effect of two oriental herbal drugs in Japan attributed to honokiol from Magnolia bark. J. Pharm. Pharmacol. 52(11): 1425-1429.
Zhang, B., Tang, M., Zhang, W., Zhangb, C., Ai, Y., Liang, X., Shi, Y., Chen, Y.,Zhang, L. and He, T. (2021). Chemical composition of Blumea balsamifera and Magnolia sieboldii essential oils and prevention of UV-B radiation-induced skin photoaging, Nat. Prod. Res. 35(24): 5977-5980.
Morshedloo, M.R., Quassinti, L., Bramucci, M., Lupidi, G. and Maggi, F. (2017). Chemical composition, antioxidant activity and cytotoxicity on tumour cells of the essential oil from flowers of Magnolia grandiflora cultivated in Iran. Nat. Prod. Res. 31(24): 2857-2864.
Figlar, R.B. (2004). Nooteboom. Notes on Magnoliaceae IV. Blumea 49: 87-100.
Farag, M.A. and Al-Mahdy, D.A. (2013). Comparative study of the chemical compo-sition and biological activities of Magnolia grandiflora and Magnolia virginiana flower essential oils. Nat. Prod. Res. 27(12): 1091-1097.
Yahaya, A.A.H., Salleh, W.M.N.H.W., Ghani, N.A., Khamis, S., Rezali, N.S., Juhari, M.A. (2022). Chemical composition and bioactivities of Magnolia candollii H.Keng essential oil. Z Naturforsch. C J. Biosci. 77(11): 519-523.
Chung, N.T., Huong, L.T. and Ogunwande, I. (2020). Antimicrobial, larvicidal activities and composition of the leaf essential oil of Magnolia coco (Lour.) DC. Rec. Nat. Prod. 14(5): 372-377.
Gogoi, R., Loying, R., Sarma, N., Munda, S., Kumar Pandey, S. and Lal, M. (2018). A comparative study on antioxidant, anti-inflammatory, genotoxicity, anti-microbial activities and chemical composition of fruit and leaf essential oils of Litsea cubeba Pers from North-east India. Ind. Crops Prod. 125: 131-139.
Lal, M., Munda, S., Gogoi, A., Begum, T., Baruah, J., Chanda, S.K. and Lekhak, H. (2022). Use of stability statistics in the selection of Clausena heptaphylla (Roxb.) Wight & Arn for novel anethole rich strain (Jor Lab CH-2). Front. Plant Sci. 13: 1-11.
Adams, R.P. (2007). Identification of essential oil components by gas chromatography-mass spectrometry. 4th ed. Carol Stream (IL): Allured Publishing Corporation.
Salleh, W.M.N.H.W., Ahmad, F., Khong, H.Y. and Zulkifli, R.M. (2016). Compar-ative study of the essential oils of three Beilschmiedia species and their biological activities. Int. J. Food Sci. Technol. 51: 240-249.
Salleh, W.M.N.H.W., Khamis, S., Rahman, M. and Nafiah, M. (2020). Chemical compo-sition and biological activities of Diptero-carpus cornutus Dyer essential oil. Z. Natur-forsch. C J. Biosci. 75(5-6): 171-175.
Garg, S.N. and Kumar, S. (1999). Volatile constituents from the flowers of Magnolia grandiflora L. from Lucknow, India. J. Essent. Oil Res. 11(5): 633-634.
Barros, L.F., Ehrenfried, C.A., Riva, D., Barison, A., de Mello-Silva, R. and Stefa-nello, M.E. (2012). Essential oil and other constituents from Magnolia ovata fruit. Nat. Prod. Commun. 7(10): 1365-1367.
Schuhly, W., Ross, S.A., Mehmedic, Z. and Fischer, N.H. (2008). Essential oil analysis of the follicles of four North American Magnolia species. Nat. Prod. Commun. 3(7): 1117-1119.
Ghosh, D., Chaudhary, N., Uma Kumari, K., Singh, J., Tripathi, P., Meena, A., Luqman, S., Yadav, A., Chanotiya, C.S., Pandey, G. and Kumar, N. (2021). Diversity of essential oil-secretory cells and oil compo- sition in flowers and buds of Magnolia sirindhorniae and its biological activities. Chem. Biodivers. 18(1): e2000750.
Ahmad, M.M., Rehman, S.U., Iqbal, Z., Anjum, F.M. and Sultan, J.I. (2006). Genetic variability to essential oil compo-sition in four Citrus fruit species. Pak. J. Bot. 38(2): 319-324.
Fernandez, C. and Ormeno E. (2012). Effects of soil nutrient on production and diversity of volatile terpenoids from plants. Curr. Bioact. Compd. 8(1): 71-79.
Corey, E.J., Mitra, R.B. and Uda, H. (1964). Total synthesis of d,l-caryophyllene and d,l-isocaryophyllene. J. Am. Chem. Soc. 86: 485-492.
Chen, X., Huang, C., Li, K., Liu, J., Zheng, Y., Feng, Y. and Kai, G.Y. (2022). Recent advances in biosynthesis and pharmacology of β-elemene. Phytochem. Rev. 22: 169-186.
Ferreira-Vieira, T.H., Guimaraes, I.M., Silva, F.R. and Ribeiro, F.M. (2016). Alzheimer’s disease: targeting the cholinergic system. Curr. Neuropharmacol. 14: 101-115.
Savelev, S., Okello, E., Perry, N.S.L., Wilkins, R.M. and Perry, E.K. (2003). Synergistic and antagonistic interactions of anticholinesterase terpenoids in Salvia lavandulaefolia essential oil. Pharmacol. Biochem. Behav. 75: 661-668.
Owokotomo, I.A., Ekundayo, O., Abayomi, T.G. and Chukwuka, A.V. (2015). In-vitro anticholinesterase activity of essential oil from four tropical medicinal plants. Toxicol. Rep. 2: 850-857.