References
- Agrapidis-Paloympis LE, Nash RA, Shaath NA. (1987). The effect of solvents on the ultraviolet absorbance of sunscreens. J Soc Cosmet Chem 38:209–21
- Berger S, Sicker D. (2009). Classic in Spectroscopy, Isolation and Structure Elucidation of Natural Product, 1st ed. Weinheim: Wiley-VCH Verlag & Co. KGaA
- Ferrero L, Pissavini S, Marguerite ZL. (2002). Sunscreen in vitro spectroscopy: Application to UVA protection assessment and correlation with in vivo persistent pigment darkening. Int J Cosmetic Sci 24:63–70
- Fuchs J. (1998). Potentials and limitations of the natural antioxidants RRR-alpha-tocopherol, l-ascorbic acid and beta-carotene in cutaneous photoprotection. Free Radical Biol Med 25:848–73
- Ikan R. (1991). Natural Products: A Laboratory Guide, 2nd ed. San Diego, CA: Academic Press
- Kijjoa A, Pinto MM, Tantisewie B, Herz W. (1989). A new linalool derivative and other constituents from Piper ribesoides. Planta Med 55:193–4
- Kullavanijaya P, Lim HW. (2005). Photoprotection. J Am Acad Dermatol 52:937–58
- Lavker RM, Gerberick GF, Veres D, et al. (1995). Cumulative effects from repeated exposures to suberythemal dose of UVB and UVA in human skin. J Am Acad Dermatol 32:53–62
- Leiter U, Garbe, C. (2008). Epidemiology of melanoma and nonmelanoma skin cancer – The role of sunlight. Adv Exp Med Biol 624:89–103
- Liao K, Lin Y, Macosko CW, Haynes CL. (2011). Cytotoxicity of graphene oxide in human erythrocytes and skin fibroblasts. ACS Appl Mater Interfaces 3:2607–15
- Lucas R, McMichael T, Smith W, Armstrong B. (2006). Solar Ultraviolet Radiation: Global Burden of Disease from Solar Ultraviolet Radiation. Geneva, Switzerland: World Health Organization
- Lupina T, Cripps H. (1987). UV spectrophotometric determination of piperine in pepper preparation: Collaborative study. J Assoc Off Anal Chem 70:112–3
- Madhavi BB, Nath AR, Banji D, et al. (2009). Extraction, identification, formulation and evaluation of piperine in alginate beads. Int J Pharm Pharm Sci 1:156–61
- Neises B, Steglich W. (1978). Simple method for the esterification of carboxylic acids. Angew Chem Int Ed 17:522–4
- Nikkol Nikkomulese LC Supplementary Information. Lecture Note Distributed in Phytocosmetic ORM 624 at Rangsit University, Thailand on 19 January 2013
- Polonini HC, Gomes TBB, Goncalves KM, et al. (2012). In vitro efficacy of photoprotection in sunscreens: A comparison between methods. Lat Am J Pharm 31:353–61
- Xu Y, Shao Y, Voorhees JJ, Fisher GJ. (2006). Oxidative inhibition of receptor-type protein-tyrosine phosphatase kappa by ultraviolet irradiation activates epidermal growth factor receptor in human keratinocyte. J Biol Chem 281:27389–97
- Zarai Z, Boujelbene E, Salem NB, et al. (2013). Antioxidant and antimicrobial activities of various solvent extracts, piperine and piperic acid from Piper nigrum. LWT-Food Sci Tech 50:634–41
- Zsila F, Hazal E, Sawyer L. (2005). Binding of the pepper alkaloid piperine to bovine β-lactoglobulin: Circular dichroism spectroscopy and molecular modeling study. J Agric Food Chem 53:10179–85