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首页> 外文期刊>Acta Horticulturae >Variation in soluble phenols, vitamin C, betalains, and simple phenolics and the antioxidant activity of xoconostle ( Opuntia matudae) pears from Central-Mexico region.
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Variation in soluble phenols, vitamin C, betalains, and simple phenolics and the antioxidant activity of xoconostle ( Opuntia matudae) pears from Central-Mexico region.

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Industries discard the pulp (endocarp), and peel (exocarp) of xoconostle or prickly pear fruit cultivar 'Cuaresmeno' ( Opuntia matudae) as waste and utilize the flesh (mesocarp) which is the edible portion. Soluble phenols, vitamin C and betalain content of the different structures from three production sites in Mexico was determined as well as the characterization of simple phenols and antioxidant capacity. Soluble phenols of peel (840-863 mg GAE/100 g, DWB) were almost similar to that of flesh (919-986 mg GAE/100 g, dry weigh basis); meanwhile, ascorbic acid concentration of flesh was 2-fold higher compared to that of peel. The phenolic fraction of xoconostle structures consisted of gallic, vanillic, and 4-hydroxybenzoic acids; catechin, epicatechin, and vanillin were also identified by high-performance liquid chromatography - didoe array detection (HPLC-DAD). Xoconostle peel showed higher antioxidant activity compared to that of flesh (2-fold) and pulp (6-fold) and commonly consumed fruits and vegetables. There is potential to use xoconostle peel and pulp for the production of feed or food products. CT III International Symposium on Human Health Effects of Fruits and Vegetables - FAVHEALTH 2009, Avignon, France.

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