References
- Lerner AB, Denton CR, Fitzpatrick TB. Clinical and experimental studies with 8-methoxypsoralen in vitiligo. J Invest Dermatol 1953, 20, 299–314.
- Gupta AK, Anderson TF. Psoralen photochemotherapy. J Am Acad Dermatol 1987, 17, 703–734.
- Thody AJ. Skin pigmentation and its regulation. In Molecular aspects of dermatology, 1993. Priestley GC (Ed), John Wiley and Sons Ltd. Chichestor; p. 55.
- Solano F, Briganti S, Picardo M, Ghanem G. Hypopigmenting agents: An updated review on biological, chemical and clinical aspects. Pigment Cell Res 2006, 19, 550–571.
- Kapoor L. Handbook of ayurvedic medicinal plants, 1990. CRC press Inc. Florida, USA; p. 226.
- Johri RK, Zutshi U. An ayurvedic formulation ‘Trikatu’ and its constituents. J Ethnopharmacol 1992, 37, 85–91.
- Pei YQ. A review of pharmacology and clinical use of piperine and its derivatives. Epilepsia 2007, 24, 177–182.
- Donata S, Kesavan M, Sustin S, Mohan K, Rajagopalan K. Clinical trial of certain ayurvedic medicines indicated in vitiligo. Ancient Sci Life, 1990, 9, 202–206.
- Lin Z, Hoult JR, Bennett DC, Raman A. Stimulation of mouse melanocyte proliferation by Piper nigrum fruit extract and its main alkaloid, piperine. Planta Med 1999, 65, 600–603.
- Lin Z, Liao Y, Venkatasamy R, Hider RC, Soumyanath A. Amides from Piper nigrum L. with dissimilar effects on melanocyte proliferation in vitro. J Pharm Pharmacol 2007, 59, 529–536.
- Ali SA, Peter J, Ali AS. Histamine receptors in the skin melanophores of Indian bullfrog Rana tigerina. Comp Biochem Physiol, Part A Mol Integr Physiol 1998, 121, 229–234.
- Bhattacharya SK, Parikh AK, Das PK. Effect of catecholamines on melanophores of Rana tigrina. Indian J Exp Biol 1976, 14, 486–488.
- Hogben LT, Slome D. The pigmentary effector system VI. The dual character of endocrine co-ordination in amphibian colour change. Proc R Soc London 1931, 108, 10–53.
- Ali AS, Peter J, Ali SA. Role of cholinergic receptors in melanophore responses of amphibians. Acta Biol Hung 1995, 46, 61–73.