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首页> 外文期刊>Journal of Agricultural and Food Chemistry >Effects of Fusarium Infection on the Phenolics in Emmer and Naked Barley
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Effects of Fusarium Infection on the Phenolics in Emmer and Naked Barley

机译：镰刀菌感染对Emmer和裸大麦中酚类物质的影响

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摘要

Inoculated or non-inoculated naked barley and emmer cultivars were investigated with regard to their influence on phenolic acid profiles and their arabinoxylan content. Two groups of phenolic compounds were differentiated—methanol-soluble and hydrolyzable covalent-bound phenolic compounds. Chromatographic methods were applied for their analysis. The results showed ferulic acid as the predominant phenol in both total and covalent-bound fractions. The inoculation significantly reduced the ferulic acid content within a range of 5.6-6.6% in the two cereals and all their cultivars. Naked barley cultivars additionally contained the flavonoid catechin in the soluble fraction. The innoculation led here to a significant increase in the catechin content of about 4.5%. These results document an induction of the synthesis of catechin in naked barley after artificial Fusarium infection, whereas the ferulic acid content declined.
机译：研究了接种的或未接种的裸大麦和Emmer品种对酚酸谱及其阿拉伯木聚糖含量的影响。区分了两组酚化合物-溶于甲醇的和可水解的共价键合酚化合物。色谱方法用于其分析。结果显示，在总和共价结合部分中，阿魏酸是主要的酚。接种显着降低了两种谷物及其所有品种中阿魏酸的含量，范围为5.6-6.6％。裸大麦品种在可溶部分中还含有类黄酮儿茶素。接种后，儿茶素含量显着增加了约4.5％。这些结果证明了人工镰刀菌感染后裸大麦中儿茶素合成的诱导，而阿魏酸含量下降。

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