著者

近藤 光男 南野 博美 奥山 源一郎 本田 計一 永沢 久直 大谷 泰永

出版者

The Society of Cosmetic Chemists of Japan

雑誌

日本化粧品技術者会誌 (ISSN:03875253)

巻号頁・発行日

vol.17, no.1, pp.14-18, 1983-11-15 (Released:2010-08-06)

参考文献数

7

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Physicochemical properties of β-glycyrrhizin (β-G, a triterpenoid saponin) and α-glycyrrhizin (α-G, a stereoisomer of β-G, newly developed in this study) were examined in connection with cosmetics.Both α- and β-G's exhibited similarly considerable interfacial activity. However, the aqueous solution of β-G formed extremely rigid gel in acidic media, whereas α-G showed no sign of gelation.β-G can emulsify various oily materials lying in a wide range of required HLB value, while α-G has the solubilizing ability for several perfume materials.A series of experiments were carried out to obtain some informations on the solubilizing, emulsifying, and gelling mechanisms of G's by using 13C-NMR, scanning electron microscope and various derivatives of G's.The results suggested that β-G molecule which was found to be cyclically constructed constitutes the micells which in turn orient anisotropically to form the rigid gel and stabilize the emulsion.