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Compositional Changes in Phenolicic Compounds and Antioxidant Capacity From Different Fresh Grape Cultivars(PDF)

《北方园艺》[ISSN:1001-0009/CN:23-1247/S]

Issue:
2017年21
Page:
37-42
Research Field:
Publishing date:

Info

Title:
Compositional Changes in Phenolicic Compounds and Antioxidant Capacity From Different Fresh Grape Cultivars
Author(s):
LI Xiaojuan; NIE Yuhong; LIU Qiqi; ZHI Huanhuan
College of Food and Bioengineering,Zhengzhou University of Light Industry,Zhengzhou,Henan 450002
Keywords:
fresh grape; phenolicic compounds; antioxidant capacity
PACS:
-
DOI:
10.11937/bfyy.20171507
Abstract:
Six main fresh grape cultivars were used as experimental materials.The contents of anthocyanin,total phenol,and total flavonoids in the peel,pulp,seed and stem of grape were determined by using the colorimetric and fluorescence spectrophotometric methods.The relationships among the phenolic compounds,ORAC,DPPH? capacity,and FRAP were investigated.The results showed that the phenolicic compounds in the grape cultivars were mainly flavonoids.The content of anthocyanins was higher in peel tissue,and total phenol and total flavonoids contents were higher in the grape seed and stem,but lower in the pulp tissue.The contents of anthocyanins,total phenol,and total flavonoids in the peel tissue of ‘Summer Black’ were higher than other grapes.The content of total anthocyanins,total phenol,and flavonoids were the higher in the peel and pulp tissue of ‘Jumei’ than other red grapes.And,the contents of anthocyanins,total phenol,and total flavonoids in the peel and pulp tissue of ‘Thompson’ were lower than other grapes.By analysis of the correlation between the phenolicic compounds and antioxidant capacity in grape cultivars,there were significant positive correlations among the anthocyanins,total phenol,total flavonoids,FRAP,and ORAC in the peel tissue,and positive correlations were found between the phenolicic compounds and DPPH? in seed and stem tissue,which the higher phenolicic compounds along with higher antioxidant activity.

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Last Update: 2017-11-14