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Composition and morphology of cuticular wax in blueberry (Vaccinium spp.) fruits

文献类型： 外文期刊

作者： Chu, Wenjing 1 ; Gao, Haiyan 1 ; Cao, Shifeng 4 ; Fang, Xiangjun 1 ; Chen, Hangjun 1 ; Xiao, Shangyue 1 ;

作者机构： 1.Zhejiang Acad Agr Sci, Inst Food Sci, Key Lab Fruits & Vegetables Postharvest & Proc Te, Hangzhou 310021, Zhejiang, Peoples R China

2.Nanjing Agr Univ, Coll Food Sci & Technol, Nanjing 210095, Jiangsu, Peoples R China

3.Huangshan Univ, Coll Life & Environm Sci, Huangshan 245041, Peoples R China

4.Minist Agr, Nanjing Res Inst Agr Mechanizat, Nanjing 210014, Peoples R China

关键词： Cuticular wax;Blueberries;Chemical composition;Morphology;GC-MS;SEM

期刊名称：FOOD CHEMISTRY （ 影响因子：7.514； 五年影响因子：7.516 ）

ISSN： 0308-8146

年卷期： 2017 年 219 卷

页码：

收录情况： SCI

摘要： The chemical composition and morphology of cuticular wax in mature fruit of nine blueberry cultivars were investigated using gas chromatography mass spectrometry (GC MS) and scanning electron microscope (SEM). Triterpenoids and beta-diketones were the most prominent compounds, accounting for on average 64.2% and 16.4% of the total wax, respectively. Ursolic or oleanolic acid was identified as the most abundant triterpenoids differing in cultivars. Two beta-diketones, hentriacontan-10,12-dione and tritriacontan-12,14-dione, were detected in cuticular wax of blueberry fruits for the first time. Notably, hentriacontan-10,12-dione and tritriacontan-12,14-dione were only detected in highbush (V. corymbosum) and rabbiteye (V. ashei) blueberries, respectively. The results of SEM showed that a large amount of tubular wax deposited on the surface of blueberry fruits. There was no apparent difference in wax morphology among the nine cultivars. 2016 Elsevier Ltd. All rights reserved.

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