Spectral methods of characterizing anthocyanins
- 1 September 1958
- journal article
- research article
- Published by Portland Press Ltd. in Biochemical Journal
- Vol. 70 (1) , 22-28
- https://doi.org/10.1042/bj0700022
Abstract
Spectral data for both the common and rare naturally-occurring anthocyanidins are given. Spectral measurements were made of a large number of anthocyanins. It is shown that 3- and 3,5-glycosides have characteristically different absorption properties in the 400-450 m [mu] region. Measurements of the absorption spectra in the UV region of anthocyanins acylated with hydroxy aromatic acids can be used to determine the hydroxy aromatic acid; pigment ratio in these complex pigments. The value of these measurements for characterizing anthocyanins is discussed.Keywords
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