Flavonoids in vegetable foods commonly consumed in brazil and estimated ingestion by the Brazilian population

被引:152
作者
Arabbi, PR [1 ]
Genovese, MI [1 ]
Lajolo, FM [1 ]
机构
[1] Univ Sao Paulo, Dept Alimentos & Nutr Expt, FCF, Lab Quim Bioquim & Biol Mol Alimentos, BR-05508900 Sao Paulo, Brazil
关键词
Brazilian vegetable foods; flavonoids; time of harvesting; daily intake;
D O I
10.1021/jf0499525
中图分类号
S [农业科学];
学科分类号
09 ;
摘要
The objective of this work was to quantify the flavonoids present in foods most commonly consumed by the Brazilian population. The predominant flavonoids found in largest abundance in all of the analyzed vegetables were glycosides of quercetin. In lettuce, a small amount of luteolin was also detected. In sweet pepper, quercetin and luteolin were both present. White onion [48-56 mg/100 g of fresh weight (FW), expressed as aglycon], red onion (40-100 mg/100 g of FW), red lettuce (67-67.2 mg/100 g of FW), arugula (41-118 mg/100 g of FW), and chicory (18-38 mg/100 g of FW) were highest in total flavonoids. In fruits, the highest concentrations of flavonoids were found in the peel (125-170 mg/100 g of FW) and pulp (35-44 mg/100 g of FW) of oranges and in some apple varieties (14-36 mg/100 g of FW). Variability in flavonoid content due to time of harvesting was high for leafy vegetables and red onions. The estimated ingestion by Brazilian population ranged from 60 to 106 mg/day.
引用
收藏
页码:1124 / 1131
页数:8
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