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Tannin and non tannin-polyphenolic compounds of the Egyptian sorghum grains

โœ Scribed by Youssef, Ayyat M. M. ;Moharram, Y. G. ;Moustafa, E. K. ;Bolling, H.

Publisher
John Wiley and Sons
Year
1989
Tongue
English
Weight
331 KB
Volume
33
Category
Article
ISSN
0027-769X

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โœฆ Synopsis

The fractionation and properties of the polyphenolic compounds of the Egyptian sorghum grains were studied. The results showed that sorghum grains contained a higher amount of non-tannin polyphenols than tannin ones. By utilizing the funnel separation technique higher recovery for both tannin and non-tannin polyphenol fractions was given compared with the Sephadex LH 20 column chromatography method. The refractionation of both fractions using T.L.C. technique showed that each fraction of tannin and non tannin composed of different compounds differed in their properties.

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Separation and identification of Egyptian sorghum non-tannin polyphenols
โœ Youssef, Ayyat M. M. ;Moharram, Y. G. ;Moustaffa, E. K. ;Bolling, H. ๐Ÿ“‚ Article ๐Ÿ“… 1989 ๐Ÿ› John Wiley and Sons ๐ŸŒ English โš– 295 KB

The extraction, isolation and identification of the non-tannin polyphenols of both low and high tannin sorghum varieties were studied. The results indicated that both low and high tannin varieties contained 4 identical low molecular weight fractions of non-tannin polyphenols. These fractions were no