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首页> 外文期刊>LWT-Food Science & Technology >Phenolic composition and physicochemical parameters of Carmenere, Cabernet Sauvignon, Merlot and Cabernet Franc grape seeds (Vitis vinifera L.) during ripening.
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Phenolic composition and physicochemical parameters of Carmenere, Cabernet Sauvignon, Merlot and Cabernet Franc grape seeds (Vitis vinifera L.) during ripening.

机译：Carmenere，Cabernet Sauvignon，Merlot和Cabernet Franc葡萄种子（ Vitis vinifera L.）的酚类成分和理化参数。

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摘要

Phenolic composition and some physicochemical parameters of seeds from grape cultivars (Vitis vinifera L.) Carmenere (CA), Merlot (M), Cabernet Franc (CF) and Cabernet Sauvignon (CS) were evaluated at four different ripening stages. Compositional differences between cultivars were observed only in some ripening stages. Nevertheless, significant differences between CA and CF were observed throughout all the study period (veraison to harvest) in a number of parameters, including seed weight, total tannins and polymeric flavanol fraction. Each of the four grape varieties showed characteristic sets of colorimetric coordinates (CIElab parameters) at any of the ripening stages. On the other hand, while M seeds presented a high concentration of both (+)-catechin, (--)-epicatechin, epicatechin-3-O-gallate, proanthocyanidin trimers 1, B3 and B4, CA seeds presented characteristic high concentrations of a series of other proanthocyanidins. CF seeds displayed the highest concentrations of gallic acid and proanthocyanidin gallates. Altogether, we conclude that Carmenere, Merlot, Cabernet Franc and Cabernet Sauvignon grape seeds present marked differences in phenolic composition during ripening
机译：分别在四种不同的条件下评估了葡萄品种卡门内尔（Carmenere），美乐（Merlot），赤霞珠（CF）和赤霞珠（CS）的酚类成分和一些理化参数。成熟阶段。品种之间的组成差异仅在某些成熟阶段才观察到。然而，在整个研究期间（从收获期到收获），在许多参数中都观察到了CA和CF之间的显着差异，其中包括种子重量，总单宁和聚合黄烷醇含量。四个葡萄品种中的每个品种在任何成熟阶段都显示出特征性的比色坐标集（CIElab参数）。另一方面，虽然M种子的（+）-儿茶素，（-）-表儿茶素，表儿茶素-3- O -没食子酸酯，原花青素三聚体1，B3和B4都高浓度， CA种子呈现出一系列其他原花色素的高浓度特征。 CF种子显示出最高浓度的没食子酸和原花青素没食子酸酯。总而言之，我们得出的结论是，卡梅内尔，梅洛，赤霞珠和赤霞珠葡萄种子在成熟期间酚类成分存在明显差异

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