不同采收期对新疆焉耆盆地酿酒葡萄及葡萄酒品质的影响

doi:10.6048/j.issn.1001-4330.2018.07.010

摘要/Abstract

摘要： 【目的】研究不同采收期对新疆焉耆盆地酿酒葡萄及葡萄酒的影响,为确定酿酒葡萄最佳采收期提供依据。【方法】以葡萄转色期后、不同采收时段的5种红色酿酒葡萄果实和葡萄酒为研究对象,测定果实品质和葡萄酒理化指标,分析不同指标和葡萄最佳采收期之间的关系。【结果】果实品质:梅鹿辄和赤霞珠果实的纵径、横径以及单果重随着采收日期的推移总体均呈现先逐渐增大后减小的趋势,而黑比诺、北玫和北红果实的纵径、横径以及单果重随着采收日期的推移逐渐增大。葡萄果实pH、可溶性固形物含量、固酸比和糖酸比都呈逐渐增大趋势。可溶性固形物从高到低为梅鹿辄＞北红＞北玫＞赤霞珠＞黑比诺。酿造品质:各品种的pH和酒精度随着采收日期的推移,呈现缓慢上升的趋势;酿制的酒样中,黑比诺的总糖含量最高为5.48 g/L,赤霞珠的总糖含量最低为3.71 g/L,均符合GB/T15037-2006葡萄酒分类标准。【结论】在新疆焉耆盆地地区梅鹿辄和赤霞珠的最佳采收期在8月25日,黑比诺、北玫和北红的最佳采收期在8月28日。

关键词: 酿酒葡萄; 采收期; 果实品质; 主成分分析法

Abstract: 【Objective】 This project aims to study the effects of different harvest time on wine grapes and wine in Yanqi Basin of Xinjiang in the hope of providing the basis for determining the best harvest period for local wine grapes.【Method】Five kinds of red wine grape fruits in different harvest periods after the period of grape color conversion and small samples in the brewing grapes were taken as the research objects. The relationship between the different indexes and the optimum harvest period of grape was analyzed by measuring the fruit quality and the physicochemical indexes of wine.【Result】(1) The fruit appearance quality: The vertical diameter, transverse diameter and fruit weight of Merlot and Cabernet Sauvignon fruit increased at first and then decreased with the passage of harvesting date, while the vertical diameter, transverse diameter and single fruit weight of Pinot Noir, North Rose and North Red fruit increased gradually with the passage of harvest date. (2) Internal quality of the fruit: with the date of collection, the pH, soluble solid content, solid acid ratio and glycolic acid ratio of grape fruit gradually increased. Soluble solids from high to low was Merlot > North Red > North Rose > Cabernet Sauvignon > Pinot Noir. (3) Brewing quality: the pH and alcoholic strength of each variety showed a trend of slow rise with the date of harvest; The total sugar content of Pinot Noir was 5.48 g/L, and the total sugar content of Cabernet Sauvignon was 3.71 g/L, which were both consistent with GB/T15037-2006 wine classification standard.【Conclusion】The principal component analysis indicated that the best harvest time for Merlot and Cabernet Sauvignon in Yanqi basin in Xinjiang is on August 25 th, and the best harvest time for Pinot Noir, North Rose and North Red is on August 28 th.

Key words: wine grape; harvest time; fruit quality; principal component analysis

中图分类号:

S609
S663.1

彭媛媛, 高展, 董凯向, 周龙, 杜展成. 不同采收期对新疆焉耆盆地酿酒葡萄及葡萄酒品质的影响[J]. 新疆农业科学, 2018, 55(7): 1252-1263.

PENG Yuan-yuan, GAO Zhan, DONG Kai-xiang, ZHOU Long, DU Zhan-cheng. Effects of the Suitable Harvest Time for Main Wine Grapes and Wine Quality in Xinjiang Yanqi Basin[J]. Xinjiang Agricultural Sciences, 2018, 55(7): 1252-1263.

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