一公斤土豆粉加入多少增筋剂?

2025-04-07 01:20:57
推荐回答(1个)
回答1:

干粉比例的千分之五左右即可。
强筋剂的化学名叫偶氮甲酰胺,英文名Azodicarbonamide,简称ADA,是一种黄色至橘红色结晶性粉末。ADA具有漂白和氧化双重作用,是一种速效面粉增筋剂。本品自身与面粉不起作用,当将其添加于面粉中加水搅拌成面团时,能快速释放出活性氧,此时面粉蛋白质中氨基酸的硫氢基(-SH)被氧化成二硫键(-S-S),使蛋白质链相互连结而构成立体网状结构,改善面团的弹性、韧性、均匀性,从而很好地改善面制品的组织结构和物理操作性质,使生产出的面制品具有较大的体积和较好的组织结构。 强筋剂的主要成分按国标(GB送审稿,1992)规定质量标准:   含量(干燥后)/% ≥ 98.6   砷(以As计)/% ≤ 0.0003   重金属(以Pb计)/% ≤ 0.003   铅/% ≤ 0.001   干燥失重/% ≤ 0.5   含氮量/% 47.2~48.7   pH值(2%悬浮液)≥ 5.0 灼烧残渣/% ≤ 0.15 砷:是砒霜的组分之一,有剧毒,会致人迅速死亡。长期接触少量,会导致慢性中毒。另外还有致癌性。这些重金属中任何一种都能引起人的头痛、头晕、失眠、健忘、神精错乱、关节疼痛、结石、癌症。 铅:是重金属污染中毒性较大的一种,一旦进入人体将很难排除。能直接伤害人的脑细胞,特别是胎儿的神经系统,可造成先天智力低下。 重金属:导致高血压,引起心脑血管疾病;破坏骨骼和肝肾,并引起肾衰竭。 在面粉中加这些东西破坏了蛋白质,对人体没什么好处。  

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