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板凳匪徒

至尊木虫 (职业作家)

江北篮球学院MVP

翻译EPI: 63
应助: 31 (小学生)
金币: 11572.8
散金: 770
红花: 84
帖子: 3524
在线: 935.9小时
虫号: 1035135
注册: 2010-06-03
性别: GG
专业: 有机分子功能材料化学

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★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ★ ...
sltmac: 金币+50 2013-05-22 10:17:49
sltmac: 金币+30, 翻译EPI+1 2013-05-22 10:17:54

Abstract: Taking the fresh water chestnuts as the test material, firstly, the effects of marinating time, concentrations of citric acid, concentrations of sodium hydroxide and concentrations of Vc on colour protection of water chestnuts were investigated, the optimal colour protection method was obtained through orthogonal experiment: marinating time 10min, concentrations of Vc 0.4%, concentrations of citric acid 0.9%, concentrations of sodium hydroxide 0.4%. Then air-drying method was investigated, the optimal drying method was obtained: constant temperature 80℃, drying 120min and constant temperature 70℃, drying 150min. The whole water chestnuts meal collected was truly white colour, rehydration ratio is up to 90%.

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