KMID : 0903619950360040500
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Journal of the Korean Society for Horticultural Science 1995 Volume.36 No. 4 p.500 ~ p.505
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Changes in Chlorophyll and Carotenoid Contents during cold and CA Storage , and Characterization of the Carotenoids in the Peel of ¢¥ Fuji ¢¥ Apple Fruit
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Abstract
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This study was designed to analyse chlorophyll and carotenoid contents during cold and controlled atmosphere (CA) storage, and to identify characterization of the carotenoids in the peel of ¢¥Fuji¢¥ apple fruit. Assay of total chlorophyll contents in the peel of ¢¥Fuji¢¥ apple fruit showed a partial explanation for the changes occurring in the fruit color. Although the fruit was partly colored with a green color at harvest, its chlorophyll content was low (59.5 §¶/g, f.w.). Within 2 months at 20¡É the fruit chlorophyll (a+b) had decreased to 60% of their initial values. The ratio (2.9) of chlorophyll a/b at harvest decreased a little during storage because there was proportionately more chlorophyll b. Among cold and CA storage methods the most amount of chlorophylls remained in the CA (3% CO©ü+1 % O©ü) condition. The peel of fruit contained carotenoids of 13.9 §¶/g (f.wt.) in samples at harvest. Total carotenoids increased to the 260% of the initial value after 2 months at 20¡É, however no pronounced changes were observed after cold and CA storage for 2 and 4 months, respectively. The 13 carotenoid pigments were found in the peel of ¢¥Fuji¢¥ apple fruits. Its major carotenoid pigments were: ¥â-carotene (22.1%), lutein (33.4%), zeaxanthin (14.9%), violaxanthin (9.0%), neoxanthin (14.5%). Other pigments like antheraxanthin, isolutein, luteoxanthin and neochrome were also present as minor pigments.
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