coffee and green tea as a large source of antioxidant polyphenols in the japanese and beverages rich in polyphenols with antioxidant activity are highlighted as a potential factor for risk reduction of lifestyle related diseases. this study was conducted to elucidate total polyphenol consumption from beverages in japanese people. total polyphenol (tp) contents in beverages were measured using a modified folin-ciocalteu method removing the interference of reduced sugars by using reverse-phase column chromatography. a beverage consumption survey was conducted in the tokyo ...200919187022
maternal total caffeine intake, mainly from japanese and chinese tea, during pregnancy was associated with risk of preterm birth: the osaka maternal and child health study.the relation of maternal caffeine intake with birth outcomes is still inconclusive and has not been examined in japan, where the sources of caffeine intake are different from those in western countries. we hypothesized that maternal consumption of total caffeine and culture-specific major sources of caffeine would be associated with birth outcomes among japanese pregnant. the study subjects were 858 japanese women who delivered singleton infants. maternal diet during pregnancy was assessed using ...201525773355
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