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Carotenoids in ripe green and in autumn senescing leaves of apple tree: I - Qualitative composition of free carotenoids, xanthophyll esters and fatty acids of esters

 

作者: Franco Cardini,  

 

期刊: Giornale botanico italiano  (Taylor Available online 1982)
卷期: Volume 116, issue 3-4  

页码: 97-115

 

ISSN:0017-0070

 

年代: 1982

 

DOI:10.1080/11263508209428055

 

出版商: Taylor & Francis Group

 

数据来源: Taylor

 

摘要:

By different chemical, spectral and chromatographic procedures seven carotenoids, two carotenes (α- and β-carotene) and five free xanthophylls (violaxanthin, lutein, antheraxanthin, zeaxanthin and neoxanthin) have been isolated and identified in green apple leaves. In autumn senescing leaves, besides the above seven carotenoids, the occurrence of at least seven xanthophyll esters has also been proved. Four esters, violaxanthin mono- and diester and lutein mono- and diester, (≥90% of total esters) and a minor component, neoxanthin triester, have been identified. Another minor component is most probably a monoester of antheraxanthin; the seventh, present in traces, has not been identified.

 

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