期刊
JOURNAL OF FOOD COMPOSITION AND ANALYSIS
卷 19, 期 5, 页码 434-445出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.jfca.2006.01.002
关键词
banana; papaya; carotenoids; beta-carotene; minerals; vitamin A; vitamin C
Banana (Musa sp.) and papaya (Carica papaya) cultivars were harvested from different locations throughout Hawaii and analyzed for vitamin C (ascorbic acid), provitamin A (beta-carotene, alpha-carotene, beta-cryptoxanthin), and mineral composition. Dwarf Brazilian ('' apple '') bananas had almost three times more vitamin C (12.7 mg/100 g fresh weight) than Williams fruit (4.5 mg/100 g). Also, Dwarf Brazilian bananas had 96.9 mu g beta-carotene and 104.9 mu g alpha-carotene/100g, whereas Williams fruit averaged 55.7 mu g beta-carotene and 84.0 mu g alpha-carotene/ 100 g. Bananas contained higher concentrations of lutein than of the provitamin A pigments, alpha- and beta-carotene. Papaya vitamin C content was 51.2 mg/100 g, with no differences among cultivars. Papaya provitamin A carotenoids averaged 232.3 mu g beta-carotene and 594.3 mu g beta-cryptoxanthin/100 g, and vitamin A ranged from 18.7 to 74.0 mu g RAE/100 g. Lycopene was not detected in the yellow-fleshed cultivars, Kapoho, Laie Gold, and Rainbow, but the red-fleshed Sunrise and SunUp fruit contained 1350-3674 mu g lycopene/100 g. Dwarf Brazilian bananas had higher P, Ca, Mg, Mn, and Zn contents than Williams fruit. The average K content for Hawaii's bananas was 330.6 mg/100 g. Papayas (100 g) contained 9% of the dietary reference intake (DRI) for Cu, 6-8% of the DRI for Mg, but less than 3% of the DRI for other minerals. (c) 2006 Elsevier Inc. All rights reserved.
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