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世界上许多国家和地区的婴儿用大豆配方奶的人数正日益增加,目前美国约有10—15%的婴儿吃配方奶。大豆配方奶的主要成分是大豆粉,每升含铁2.5mg,硫酸亚铁12mg,抗坏血酸54mg,抗坏血酸与铁的克分子浓度比是1.4:1,还有各种矿物质和维生素.作者用体外放射标记法测定了16名妇女用大豆配方奶后铁的生物利用率。方法是:受试者前一天晚上禁饮禁食,次日服240ml 大豆配方奶。(用1μCi~(59)Fe 标
The number of infant formula-based infants in many parts of the world is on the rise. At present, about 10-15% of infants in the United States eat formula. Soybean formula is the main component of soybean meal, per liter of iron 2.5mg, ferrous sulfate 12mg, ascorbic acid 54mg, ascorbic acid and iron molar concentration ratio is 1.4: 1, there are a variety of minerals and vitamins. Bioavailability of iron for 16 women with soy formula was determined by radiolabeling. The method is: subjects were banned the night before the fasting, the next day serving 240ml soybean formula. (With 1μCi ~ (59) Fe standard