Preprint / Version 1

Effect of traditional plants in Sri Lanka on skin keratinocyte count

Authors

  • Katsura Sano aALBION Co. Ltd., 1-7-10 Ginza, Chuo-ku, Tokyo 104-0061, Japan
  • Takao Someya aALBION Co. Ltd., 1-7-10 Ginza, Chuo-ku, Tokyo 104-0061, Japan
  • Kotaro Hara aALBION Co. Ltd., 1-7-10 Ginza, Chuo-ku, Tokyo 104-0061, Japan
  • Yoshimasa Sagane bDepartment of food and Cosmetic Science, Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido 099-2493, Japan
  • Toshihiro Watanabe bDepartment of food and Cosmetic Science, Faculty of Bioindustry, Tokyo University of Agriculture, 196 Yasaka, Abashiri, Hokkaido 099-2493, Japan
  • RGS Wijesekara cDepartment of Aquaculture and Fisheries, Faculty of Livestock, Fisheries and Nutrition, Wayamba University of Sri Lanka, Makandura, Gonawila 60170, Sri Lanka

Keywords:

Cell number, Keratinocytes, Calcein assay, Traditional plant, Medical herb

Abstract

This article describes the effects of extracts of several plants collected in Sri Lanka on the number of human skin keratinocytes. This study especially focuses on the plants traditionally used in indigenous systems of medicine in Sri Lanka, such as Ayurveda, as described below (English name, “local name in Sri Lanka,” scientific name). Neem plant,”kohomba,” Azadirachta indica (Sujarwo et al., 2016; Nature’s Beauty Creations Ltd., 2014) [1,2], emblic myrobalan plant, “nelli,” Phyllanthus emblica (Singh et al., 2011; Nature’s Beauty Creations Ltd., 2014) [3,4], malabar nut plant, “adhatoda,” Justicia adhatoda (Claeson et al., 2000; Nature’s Beauty Creations Ltd., 2014) [5,6], holy basil plant, “maduruthala,” Ocimum tenuiflorum ( Cohen et al., 2014; Nature’s Beauty Creations Ltd., 2014) [7,8]. The expression profiles are provided as line graphs. Keywords: Cell number, Keratinocytes, Calcein assay, Traditional plant, Medical herb

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