Structural Identification of Anthocyanins and Analysis of Concentrations during Growth and Flowering in Buckwheat (Fagopyrum esculentum Moench) Petals

The anthocyanin profiles and variety/breeding-line differences of anthocyanin concentrations in petals of common buckwheat flowers have been studied. Four anthocyanins, cyanidin 3-O-glucoside, cyanidin 3-O-rutinoside, cyanidin 3-O-rhamnoside, and cyanidin 3-O-galactosyl-rhamnoside were isolated from...

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Bibliographic Details
Published in:Journal of agricultural and food chemistry 2007-11, Vol.55 (23), p.9571-9575
Main Authors: Suzuki, Tatsuro, Kim, Sun-Ju, Mohamed, Zaidul Islam Sarker, Mukasa, Yuji, Takigawa, Shigenobu, Matsuura-Endo, Chie, Yamauchi, Hiroaki, Hashimoto, Naoto, Noda, Takahiro, Saito, Tatsuya
Format: Article
Language:English
Subjects:
Anthocyanins
Anthocyanins - analysis
Anthocyanins - chemistry
Biological and medical sciences
buckwheat
Cereal and baking product industries
chemical concentration
chemical structure
Compos of Foods/Feeds
corolla
cyanidin
cyanidin 3-O-galactosyl-rhamnoside
cyanidin 3-O-glucoside
cyanidin 3-O-rhamnoside
cyanidin 3-O-rutinoside
ESI-MS
Fagopyrum - chemistry
Fagopyrum - growth & development
Fagopyrum esculentum
flavonoids
flower
flowering
Flowers - chemistry
Flowers - growth & development
Food industries
Fundamental and applied biological sciences. Psychology
line differences
petal
plant growth
varieties
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Summary:The anthocyanin profiles and variety/breeding-line differences of anthocyanin concentrations in petals of common buckwheat flowers have been studied. Four anthocyanins, cyanidin 3-O-glucoside, cyanidin 3-O-rutinoside, cyanidin 3-O-rhamnoside, and cyanidin 3-O-galactosyl-rhamnoside were isolated from the petals of common buckwheat (Fagopyrum esculentum Moench), separated using high performance liquid chromatography and identified using reversed-phase liquid chromatography–electrospray ionization–tandem mass spectrometry techniques. In every variety/breeding line tested, cyanidin 3-O-rutinoside was detected as the major anthocyanin and the next is cyanidin 3-O-glucoside whereas cyanidin 3-O-rhamnoside and cyanidin 3-O-galactosyl-rhamnoside were trace or not detectable in white and pink flowered buckwheat. Of all the varieties/breeding lines tested, Gan-Chao, a Chinese variety, contained the highest amount of anthocyanins. The largest part of cyanidin moiety was presented as a proanthocyanidin form (PAs–Cy). Anthocyanins and PAs–Cy in petals were increased along with increase of flower development stages. Therefore, fully developed petals of red flowered buckwheat, especially Gan-Chao, are promising as a new anthocyanin-rich material for food processing.
ISSN:0021-8561
1520-5118
DOI:10.1021/jf071474l