Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/18068
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Title: Antioxidant Capacities, Phenolic Compounds, Carotenoids, and Vitamin C Contents of Nectarine, Peach, and Plum Cultivars from California
Authors: Gil Muñoz, M.ª Isabel, Tomás Barberán, Francisco, Kadel, Adel A., Hess-Pierce, Betty
Keywords: Stone fruit
Prunus persica
Prunus salicina
Rosaceae
Phenolics
Ascorbic acid
β-carotene
Free radical scavenging activity
Issue Date: 17-Jul-2002
Publisher: American Chemical Society
Abstract: Genotypic variation in composition and antioxidant activity was evaluated using 25 cultivars, 5 each of white-flesh nectarines, yellow-flesh nectarines, white-flesh peaches, yellow-flesh peaches, and plums, at the ripe (ready-to-eat) stage. The ranges of total ascorbic acid (vitamin C) (in mg/100 g of fresh weight) were 5−14 (white-flesh nectarines), 6−8 (yellow-flesh nectarines), 6−9 (white-flesh peaches), 4−13 (yellow-flesh peaches), and 3−10 (plums). Total carotenoids concentrations (in μg/100 g of fresh weight) were 7−14 (white-flesh nectarines), 80−186 (yellow-flesh nectarines), 7−20 (white-flesh peaches), 71−210 (yellow-flesh peaches), and 70−260 (plums). Total phenolics (in mg/100 g of fresh weight) were 14−102 (white-flesh nectarines), 18−54 (yellow-flesh nectarines), 28−111 (white-flesh peaches), 21−61 (yellow-flesh peaches), and 42−109 (plums). The contributions of phenolic compounds to antioxidant activity were much greater than those of vitamin C and carotenoids. There was a strong correlation (0.93−0.96) between total phenolics and antioxidant activity of nectarines, peaches, and plums.
Description: 7 pages, 1 figure, 13 tables.
Publisher version (URL): http://dx.doi.org/10.1021/jf020136b
URI: http://hdl.handle.net/10261/18068
ISSN: 1520-5118 (Online)
0021-8561 (Print)
???metadata.dc.identifier.doi???: 10.1021/jf020136b
Citation: Journal of Agricultural and Food Chemistry 50(17): 4976-4982 (2002)
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