Stabilization of natural anthocyanin by intercalation into montmorillonite

被引：74

作者：

Kohno, Yoshiumi ^{[1
]}

Kinoshita, Reina ^{[1
]}

Ikoma, Shuji ^{[2
]}

Yoda, Keiko ^{[3
]}

Shibata, Masashi ^{[3
,4
]}

Matsushima, Ryoka ^{[1
]}

Tomita, Yasumasa ^{[1
]}

Maeda, Yasuhisa ^{[1
]}

Kobayashi, Kenkichiro ^{[1
]}

机构：

[1] Shizuoka Univ, Fac Engn, Dept Mat Sci & Chem Engn, Naka Ku, Shizuoka 4328561, Japan

[2] Shizuoka Univ, Fac Engn, Div Appl Sci & Engn, Naka Ku, Shizuoka 4328561, Japan

[3] Kao Corp, Beauty Res Ctr, Sumida Ku, Tokyo 1318501, Japan

[4] Tokyo Univ Technol, Sch Biosci & Biotechnol, Tokyo 1920892, Japan

来源：

APPLIED CLAY SCIENCE | 2009年 / 42卷 / 3-4期

关键词：

Anthocyarim; Montmorillonite; Colorant; STRUCTURAL TRANSFORMATIONS; AQUEOUS-SOLUTIONS; HYBRID MATERIALS; XANTHENE DYES; CLAY; STABILITY; COLOR; PIGMENTS; PHOTOSTABILITY; FLUORESCENCE;

D O I：

10.1016/j.clay.2008.06.012

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Because of its non-toxicity, naturally occurring anthocyanin has a potential for the utilization as a harmless coloring material. Its color instability under alkaline condition or light irradiation limits its practical use. Anthocyanin can be stabilized by the intercalation into montmorillonite. The anthocyanin-montmoril Ion the maintains the original color at basic condition of even pH 11. The intercalated anthocyanin also exhibits enhanced stability against visible light irradiation compared with the anthocyanin simply adsorbed on the external surface of the mineral particles. The stability enhancement is attributed to the electrostatic host-guest interaction and to steric protection from the attack of atmospheric oxygen. The intercalated complex can be a candidate of an environmentally friendly coloring material. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：519 / 523

页数：5

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