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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Apios americana ： ウィキペディア英語版 Apios americana ''Apios americana'', sometimes called the potato bean, hopniss, Indian potato, hodoimo, America-hodoimo, American groundnut,or groundnut (but not to be confused with other plants sometimes known by the name groundnut) is a perennial vine that bears edible beans and large edible tubers. Its vine can grow to 1–6 m long, with pinnate leaves 8–15 cm long with 5–7 leaflets.〔 The flowers are usually pink, purple, or red-brown, and are produced in dense racemes 7.5–13 cm in length.〔 The fruit is a legume (pod) 5–13 cm long.〔 Botanically speaking, the tubers are rhizomatous stems, not roots. Its natural range is from Southern Canada (including Ontario, Quebec, and New Brunswick) down through Florida and West as far as the border of Colorado.〔 == Nutrition == The tubers are highly palatable with culinary characteristics of a potato, although the flavor can be somewhat nuttier than a potato and the texture can be finer.〔 Studies in rats suggest that raw tubers should not be consumed because they contain protease inhibitors whereas cooking destroys the protease inhibitors rendering the tubers safe to eat. Tubers contain roughly three times the protein content of a potato (16.5% by dry weight), and the amino acid balance is good with the exception of cysteine and methionine. The fatty acid content of tubers is approximately 4.2% to 4.6% with linoleic fatty acids predominating. Thirty-six percent of the fresh weight of a tuber is carbohydrate (primarily starch). The tubers are also an excellent source of calcium and iron.〔 Calcium content is 10-fold greater than a potato and iron is 2-fold greater than a potato, although vitamin C was considerably less than a potato.〔 In addition, the tubers appear to have numerous health promoting factors. Hypertensive rats that were fed powdered tubers as 5% of their total diet experienced a 10% decrease in blood pressure and also a reduction in cholesterol and triglycerides. It has been shown that the tubers contain genistein and other isoflavones that have various health benefits, including an anticarcinogenic function against colon, prostate, and breast cancer. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「Apios americana」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.