Malvin
Structural formula | |||||||||||||||||||
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Structural formula of the cation (without counter anion) | |||||||||||||||||||
General | |||||||||||||||||||
Surname | Malvin | ||||||||||||||||||
Molecular formula | C 29 H 35 ClO 17 | ||||||||||||||||||
Brief description |
red-brown, greenish shimmering prisms |
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properties | |||||||||||||||||||
Molar mass | |||||||||||||||||||
Physical state |
firmly |
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Melting point |
165 ° C (decomposition) |
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solubility |
soluble in ethanol |
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safety instructions | |||||||||||||||||||
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As far as possible and customary, SI units are used. Unless otherwise noted, the data given apply to standard conditions . |
Malvin is a red to blue dye from the group of anthocyanins that occurs in plants . The di glucoside is composed of the aglycon malvidin and two D - glucose molecules .
Occurrence
The names Malvin and Malvidin were derived from their occurrence in mallows such as Malva sylvestris . Malvin is also found in the flowers of other plants such as primroses and rhododendron species. The compound can be isolated from soybeans and grape skins.
Individual evidence
- ↑ a b c Entry on malvidin chloride. In: Römpp Online . Georg Thieme Verlag, accessed on February 7, 2019.
- ↑ a b Datasheet Malvin (chloride) from Sigma-Aldrich , accessed on February 7, 2019 ( PDF ).
- ↑ Wissenschaft-Online-Lexika: Entry on Malvidin in the Lexikon der Biologie , accessed on January 7, 2009.
- ↑ JA Joule, K. Mills: Heterocyclic Chemistry. , P. 173, Blackwell Publishing, 2000, ISBN 978-0-632-05453-4 .
- ↑ Keen et al. Phytochemistry 11 (1972) pp. 1031-1038.
- ↑ Bockian et al. J Agric Food Chem . 3 (1955) p. 695.