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Tannins from 34 plant species from Sudan.

机译:来自苏丹的34种植物中的单宁。

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摘要

Tannins from 32 Sudanese indigenous and exotic wood species and two agricultural crops (kenaf and sunflower stalks) were screened by different methods. Most of the tannins were of the condensed or hydrolysable-condensed types. Seventeen species contained tannin quantities of commercial interest. Comparing tannin extract mixtures from species of low tannin content with the rich garad (Acacia nilotica ssp tomentosa pods) tannin gave astringency profiles close to that of the commercial mimosa tannin.This modification could extend the use of garad in tanning.
机译:通过不同的方法筛选了来自32种苏丹本土和外来木材物种和两种农作物(洋麻和向日葵茎)中的单宁。大部分单宁为缩合或可水解缩合类型。十七种单宁含量具有商业价值。将单宁含量低的物种的单宁提取物混合物与富含garad的单宁(Acacia nilotica ssp tomentosa pod)的单宁进行比较,其涩味特性与市售含羞草单宁的涩味相近,这种修饰可以扩展garad在鞣制中的应用。

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