|Table of Contents|

Study on the Quality Comparision of the Wine Grape in Gansu Corridor Area(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2013年03期
Page:
26-30
Research Field:
Publishing date:

Info

Title:
Study on the Quality Comparision of the Wine Grape in Gansu Corridor Area
Author(s):
FA Jie-qiong; ZHANG Zhen-wen
College of Enology，Northwest Agricultural and Forestry University，Yangling，Shaanxi 712100
Keywords:
Gansu Corridor Area; wine grape; quality index; principal component analysis
PACS:
S 663.1
DOI:
-
Abstract:
The quality of wine grapes (‘Merlot’，‘Cabernet sauvignon’，‘Italian riesling’，‘Cabernet gernischet’) in three main planted regions (Zhangye，Wuwei，Jiayuguan) of Gansu Corridor Area were studied in this paper，and a predicted model was built with the principal component formulas expressed by standardized variables and the orresponding variance proportions through Principal Component Analysis (PCA) to rank synthetically the white and red wine grapes of Gansu Corridor Area.The results showed that ‘Merlot’，‘Cabernet sauvignon’ and ‘Italian riesling’ varied among three planted regions in the contents of reducing sugars，total acid，pH，total phenols，tannin and total anthocyanidins；‘Cabernet gernischet’ showed significant difference between Zhangye and Wuwei in all the quality indexes besides total acid；‘Cabernet gernischet’ in Zhangye and ‘Vidal’ in Jiayuguan earned the highest general evaluation and wine grapes in Wuwei got low valuation due to meteorological factors.

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Last Update: 2014-08-23