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经分析测定４个日本甜柿品种（次郎、松本早生富有、禅寺丸和西村早生）及２个涩柿品种（方柿和火柿）的糖、脂肪、纤维素、可溶性单宁、灰分、蛋白质及其氨基酸组成、维生素和矿质元素含量，结果表明次郎等甜柿在营养成份上有以下特点：①可溶性单宁含量只有０．０９～０．４９５ｍｇ／１００ｇＦＷ，远低于方柿和火柿的１．３５和２．０３ｍｇ／１００ｇＦＷ；②除了禅寺丸个别指标偏低外，维生素Ｂ１、Ｂ２、Ｅ及尼克酸和β－胡萝卜素含量均高于所测涩柿。次郎的Ｖｃ含量达１２１．４９ｍｇ／１００ｇＦＷ，是方柿的２．４５倍。但Ｖｃ含量最低的是２个不完全甜柿。③４个甜柿比相应的２个涩柿品种含有更多的铁、锌和硒等微量元素。其它成份在品种间有差异，但与甘、涩类型无明显关系。
The contents of sugar, fat, cellulose, soluble tannin, ash, protein and protein in four Japanese sweet persimmon cultivars (Jiro, Matsumoto early Fuyu, Zenjiuru and Nishimura early births) and two astringent persimmon cultivars And its amino acid composition, vitamins and mineral elements, the results show Jururon persimmon and other nutrients in the following characteristics: ① soluble tannin content of only 0.09 ~ 0.495mg / 100gFW, far below the persimmon and persimmon 1.35 and 2.03mg / 100gFW, respectively; ②In addition to the individual indexes of Zen Temple pills were low, the contents of vitamins B1, B2, E, nicotinic acid and β-carotene were higher than those of asparagus tested. Jiro Vc content of 121.49mg / 100gFW, is 2.45 times persimmon. However, the lowest Vc content is 2 incomplete persimmons. ③ 4 persimmon than the corresponding two astringent persimmon varieties contain more iron, zinc and selenium and other trace elements. Other components in different varieties, but with Gan, astringent type no significant relationship.