Effects of Genotypes and Bagging Practice on Content of b-Carotene in Apple Fruits

Dongjie Jia, Lianmei Fan, Gengsen Liu, Junling Shen, Chenglian Liu, Yongbing Yuan

Abstract


b-Carotene content in apple fruits of different cultivars was determined by HPLC to provide some basic information for evaluating fruit quality and for controlling b-carotene of apples with orchard practices and biotechnology. Results showed that b-carotene content in apples was different with various cultivars and strains, orchard practices (bagging or not) and different parts (peel or flesh). b-Carotene content in Fuji Yanfu 3 was higher than Royal Gala and Tuscan. As to the same cultivar, Fuji, b-carotene content in Fuji Beni Shogun, an earlier maturation strain, was higher than Fuji Yanfu 3, a striped red color strain, and higher than Fuji Yanfu 6, a blush red color strain. b-Carotene content of apple peel was usually higher than that of the flesh. b-Carotene content of the peel and flesh in Fuji Yanfu 3 apples was reduced by 30.43% and 4.38% respectively by paper bagging. It suggested that it is possible to produce higher b-carotene content apples with selected cultivars or strains and proper practices.


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Journal of Agricultural Science ISSN 1916-9752 (Print) ISSN 1916-9760 (Online)

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