Adhami, V.M., Syed, D.N., Khan, N. and Afaq, F. 2008. Phytochemicals for prevention of solar ultraviolet radiation induced damages. Photochemistry and photobiology, 84(2): 489-500.
Adhikari, A., Devkota, H.P., Takano, A., Masuda, K., Nakane, T., Basnet, P. and Skalko Basnet, N. 2008. Screening of Nepalese crude drugs traditionally used to treat hyperpigmentation: in vitro tyrosinase inhibition. International Journal of Cosmetic Science, 30(5): 353-360.
Antolovich, M., Prenzler, P.D., Patsalides, E., Mc Donald, S., and Robards, K. 2001. Methods for testing antioxidant activity, Analyst,127: 183-198.
Awasthi, Y.C. and Mitra, C.R. 1962. Flavonoids of Madhuca butyracea Nut-Shell. The Journal of Organic Chemistry, 27(7): 2636-2637.
Brenner, M. and Hearing, V.J. 2008. The protective role of melanin against UV damage in human skin. Photochemistry and Photobiology, 84(3): 539-549.
Ch, S., Venkateshwar, C. and GangadharRao, S. 2014. Preliminary phytochemical studies of medicinal plant drug: Withania somnifera Linn. Biolife, 2(1): 306-312.
Chang, C.C., Yang, M.H., Wen, H.M. and Chern, J.C. 2002. Estimation of total flavonoid content in propolis by two complementary colorimetric methods. Journal of Food and Drug Analysis, 10(3): 178-182.
Chang, T.S. 2009. An updated review of tyrosinase inhibitors. International journal of molecular sciences, 10(6): 2440-2475.
Chaturvedi, P.A., Ghatak, A.A. and Desai, N.S. 2012. Evaluation of radical scavenging potential and total phenol content in Woodfordia fruticosa from different altitudes. Journal of plant biochemistry and biotechnology, 21(1): 17-22.
Chiva-Blanch, G. and Visioli, F. 2012. Polyphenols and health: moving beyond antioxidants. Journal of Berry Research, 2(2): 63–71.
Di Petrillo, A., González-Paramás, A.M., Era, B., Medda, R., Pintus, F., Santos-Buelga, C. and Fais, A. 2016. Tyrosinase inhibition and antioxidant properties of Asphodelus microcarpus extracts. BMC complementary and alternative medicine, 16(1): 453.
Draelos, Z.D., Dover, J.S. and Alam, M. 2005. Cosmeceuticals (1st ed.), Elsevier Saunders China, pp 103-109.
Falcone Ferreyra, M.L., Rius, S. and Casati, P. 2012. Flavonoids: biosynthesis, biological functions, and biotechnological applications. Frontiers in plant science, 3: 1-15.
Fisher, G.J., Kang, S., Varani, J., Bata-Csorgo, Z., Wan, Y., Datta, S. and Voorhees, J.J. 2002. Mechanisms of photoaging and chronological skin aging. Archives of dermatology, 138(11): 1462-1470.
Garcia-Lopez, M. 1989. Double-blind comparison of azelaic acid and hydroquinone in the treatment of melasma. Acta Derm Venereol (Stockh),143:58-61.
Giampieri, F., Alvarez-Suarez, J.M., Tulipani, S., Gonzàles-Paramàs, A.M., Santos-Buelga, C., Bompadre, S., Quiles, J.L., Mezzetti, B. and Battino, M. 2012. Photoprotective potential of strawberry (Fragaria× ananassa) extract against UV-A irradiation damage on human fibroblasts. Journal of agricultural and food chemistry, 60(9): 2322-2327.
Halliwell, B. and Gutteridge, J.M. 2015. Free radicals in biology and medicine. Oxford University Press, USA.
Jennifer, C., Stephie, C.M., Abhishri, S.B. and Shalini, B.U., 2012. A review on skin whitening property of plant extracts. International Journal of Pharmacy and Bio Sciences, 3(4): 332-347.
Kadota, S., Takamori, Y., Nyein, K.N., Kikuchi, T., Tanaka, K. and Ekimoto, H. 1990. Constituents of the leaves of Woodfordia fruticosa KURZ. I: Isolation, structure, and proton and carbon-13 nuclear magnetic resonance signal assignments of Woodfruticosin (Woodfordin C), an inhibitor of deoxyribonucleic acid topoisomerase II. Chemical and pharmaceutical Bulletin, 38(10): 2687-2697.
Khanka, M.S., Tewari, L.M., Kumar, S., Singh, L. and Nailwal, T. K. 2010. Extraction of high quality DNA from D. butyraceae. Researcher, 2(9): 19-20.
Khattar, V. and Wal, A. 2012. Utilities of Crataeva nurvala. International Journal of Pharmacy and Pharmaceutical Sciences, 4: 21-26.
Kim, M. K., Lee, H. S., Kim, E. J., Won, N. H., Chi, Y. M., Kim, B. C. and Lee, K. W. 2007. Protective effect of aqueous extract of Perilla frutescens on tert-butyl hydroperoxide-induced oxidative hepatotoxicity in rats. Food and Chemical Toxicology, 45(9):1738-1744.
Kodangala, C., Saha, S. and Kodangala, P. 2010. Phytochemical studies of aerial parts of the plant Leucaslavandulaefolia. Der Pharma Chemica, 2(5): 434-437.
Kumano, Y., Sakamoto, T., Egawa, M., Iwai, I., Tanaka, M. and Yamamoto, I. 1998. In vitro and in vivo prolonged biological activities of novel vitamin C derivative, 2-O-α-D-glucopyranosyl-L-ascorbic acid (AA-2G), in cosmetic fields. Journal of nutritional science and vitaminology, 44(3): 345-359.
Liyanaarachchi, G.D., Samarasekera, J.K.R.R., Mahanama, K.R.R. and Hemalal, K.D.P. 2018. Tyrosinase, elastase, hyaluronidase, inhibitory and antioxidant activity of Sri Lankan medicinal plants for novel cosmeceuticals. Industrial crops and products, 111: 597-605.
Malik, A., Khan, M.T.H., Khan, S.B., Ahmad, A. and Choudhary, M.I. 2006. Tyrosinase inhibitory lignans from the methanol extract of the roots of Vitex negundo Linn. and their structure–activity relationship. Phytomedicine, 13(4): 255-260.
Manandha, N.P. 2002. Plants and People of Nepal, Timber Press; Inc, Portland, Oregon, USA.
Marinova, D., Ribarova, F. and Atanassova, M. 2005. Total phenolics and total flavonoids in Bulgarian fruits and vegetables. Journal of the university of chemical technology and metallurgy, 40(3): 255-260.
Parvez, S., Kang, M., Chung, H.S. and Bae, H. 2007. Naturally occurring tyrosinase inhibitors: mechanism and applications in skin health, cosmetics and agriculture industries. Phytotherapy Research, 21(9): 805-816.
Pourmorad, F., Hosseinimehr, S.J. and Shahabimajd, N. 2006. Antioxidant activity, phenol and flavonoid contents of some selected Iranian medicinal plants. African Journal of Biotechnology, 5 (11): 1142-1145.
Prakash, D., Upadhyay, G., Gupta, C., Pushpangadan, P. and Singh, K.K. 2012. Antioxidant and free radical scavenging activities of some promising wild edible fruits. International Food Research Journal, 19(3): 1109-1116.
Rashed, K., Medda, R., Spano, D. and Spano, F. 2016. Evaluation of antioxidant, anti-tyrosinase potentials and phytochemical composition of four Egyptian plants. International Food Research Journal, 23(1): 203-210.
Rees, J.L. 2003. Genetics of hair and skin color. Annual review of genetics, 37(1): 67-90.
Sharma, R.A. and Kumari, A., 2014. Phytochemistry, pharmacology and therapeutic application of Oxalis corniculata Linn.–a review. International Journal of Pharmacy and Pharmaceutical Sciences, 6: 6-12.
Silveira, J.P., Seito, L.N., Eberlin, S., Dieamant, G.C., Nogueira, C., Pereda, M.C. and Di Stasi, L.C. 2013. Photoprotective and antioxidant effects of Rhubarb: inhibitory action on tyrosinase and tyrosine kinase activities and TNF-α, IL-1α and α-MSH production in human melanocytes. BMC complementary and alternative medicine, 13(1): 49-55.
Solano, F. 2014. Melanins: skin pigments and much more—types, structural models, biological functions, and formation routes. New Journal of Science, 1-28
Tyagi, S. 2015. Phytochemical standardization of Diploknema butyracea (Roxb.) HJ Lam. seeds by HPTLC technique. Indian Journal of Natural Products and Resources (IJNPR), 6(4): 299-304.
Yamakoshi, J., Otsuka, F., Sano, A., Tokutake, S., Saito, M., Kikuchi, M. and Kubota, Y. 2003. Lightening effect on ultraviolet induced pigmentation of guinea pig skin by oral administration of a proanthocyanidin rich extract from grape seeds. Pigment cell research, 16(6): 629-638.
Zhu, W. and Gao, J. 2008, April. The use of botanical extracts as topical skin-lightening agents for the improvement of skin pigmentation disorders. Journal of Investigative Dermatology Symposium Proceedingsm, 13(1): 20-24.