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J Agric Food Chem. 2012 Nov 14;60(45):11409-20. doi: 10.1021/jf302863c. Epub 2012 Nov 1.

Selecting sprouts of brassicaceae for optimum phytochemical composition.

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  • 1Phytochemistry Laboratory, Department of Food Science and Technology, CEBAS-CSIC , P.O. Box 164, Espinardo, 30100 Murcia, Spain.

Abstract

Cruciferous foods (Brassicaceae spp.) are rich in nutrients and bioactive compounds. Edible sprouts are becoming popular fresh foods and, therefore, the phytochemical profiling of nine varieties of Brassicaceae (broccoli, kohlrabi, red cabbage, rutabaga, turnip, turnip greens, radish, garden cress, and white mustard) was evaluated for this purpose. The glucosinolates in seeds were significantly higher than in sprouts, and day 8 of germination was considered the optimum for consumption. The sprouts with higher concentrations of glucosinolates in 8-day-old sprouts were white mustard, turnip, and kohlrabi (∼815, ∼766, and ∼653 mg 100 g⁻¹ FW, respectively). Red cabbage and radish presented great total glucosinolates content (∼516 and ∼297 mg 100 g⁻¹ FW, respectively, in 8-day-old sprouts) and also higher total phenolic contents, biomass, and antioxidant capacity. The selection of the best performers in terms of germination quality and phytochemical composition is the key to optimize new fresh foods enriched in health-bioactive compounds. Further research on the bioavailability of the bioactive compounds in Brassica foods will allow backing of recommendations for dietarily effective dosages for nutrition and health.

PMID:
23061899
[PubMed - indexed for MEDLINE]

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