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首页> 外文期刊>Deutsche Lebensmittel-Rundschau >Changes in anthocyanins of blackcurrant juices and concentrates. Part 2. Composition of anthocyanin-containing polymeric structures and their changes during manufacture and storage.
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Changes in anthocyanins of blackcurrant juices and concentrates. Part 2. Composition of anthocyanin-containing polymeric structures and their changes during manufacture and storage.

机译:黑加仑汁和浓缩汁中花色苷的变化。第2部分。含花青素的聚合物结构的组成及其在制造和存储过程中的变化。

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摘要

Samples from several stages of manufacture of blackcurrant juices and concentrates were analysed for anthocyanin-containing polymeric pigments by high speed countercurrent chromatography. Other chemical and colour properties were also assessed, including phenols, antioxidative capacity, carbohydrates, proteins and bleachability. These properties of the juices and concentrates changed little during processing, but large changes may occur during prolonged storage; content of polymeric pigments increased considerably with consequent changes in colour of the juices and concentrates. The colour and chemical properties of the polymeric pigments were stable. [See FSTA 2009-09-Hq3813 for part 1.]
机译:通过高速逆流色谱法分析了来自黑加仑汁和浓缩物生产几个阶段的样品中的含花色苷的聚合物颜料。还评估了其他化学和颜色特性,包括酚,抗氧化能力,碳水化合物,蛋白质和可漂白性。果汁和浓缩物的这些特性在加工过程中变化不大,但在长时间储存​​过程中可能会发生较大变化。果汁和浓缩物的颜色随之变化,聚合物颜料的含量显着增加。聚合物颜料的颜色和化学性质是稳定的。 [有关第1部分,请参阅FSTA 2009-09-Hq3813。]

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