J Integr Plant Biol ›› 2009, Vol. 51 ›› Issue (6): 545-552.DOI: 10.1111/j.1744-7909.2009.00828.x

• Metabolism and Biochemistry • Previous Articles     Next Articles

A New Acylated Anthocyanin from the Red Flowers of Camellia hongkongensis and Characterization of Anthocyanins in the Section Camellia Species

Jian-Bin Li, Fumio Hashimoto*, Keiichi Shimizu and Yusuke Sakata*   

  1. Department of Horticultural Science, Faculty of Agriculture, Kagoshima University, Kagoshima 890-0065, Japan
    Present address: Faculty of Agriculture, Yunnan Agriculture University, Kunming 650201, China. Tel: +86 135 2912 9148; E-mail: ljbin@hotmail.com

Abstract:

Twelve anthocyanins (1–12) were isolated from the red flowers of Camellia hongkongensis Seem. by chromatography using open columns. Their tructures were elucidated on the basis of spectroscopic analyses, that is, proton-nuclear magnetic resonance, carbon 13-nuclear magnetic resonance, heteronuclear multiple quantum correlation, heteronuclear multiple bond correlation, high resolution electrospray ionization mass and ultraviolet visible spectroscopies. Out of these anthocyanins, a novel acylated anthocyanin, cyanidin 3-O-(6-O-(Z)-p-coumaroyl)-β-galactopyranoside (6), two known acylated anthocyanins, cyanidin 3-O-(6-O-(E)-p-coumaroyl)-β galactopyranoside (7) and cyanidin 3-O-(6-O-(E)-caffeoyl)-β- galactopyranoside (8), and three known delphinidin glycosides (10–12) were for the first time isolated from the genus Camellia. Furthermore, pigment components in C. japonica L., C. chekiangoleosa Hu and C. semiserrata Chi were studied. The results indicated that the distribution of anthocyanins was differed among these species. Delphinidin glycoside was only detected in the flowers of C. hongkongensis, which is a special and important species in the section Camellia. Based on the characterization of anthocyanins in the section Camellia species, there is a close relationship among these species, and C. hongkongensis might be an important parent for creating new cultivars with bluish flower color.

Li JB, Hashimoto F, Shimizu K, Sakata Y (2009). A new acylated anthocyanin from the red flowers of Camellia hongkongensis and characterization of anthocyanins in the section Camellia species. J. Integr. Plant Biol. 51(6), 545–552.

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