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17 分钟
小麦北“硬”南“软”有了科学解释
该研究还发现了一个很有意思的现象:小麦地域饮食习惯潜在造就了小麦北“硬”南“软”。张学勇解释,小麦籽粒的硬度是影响面团结构的关键遗传因素,它受Pina和Pinb两个基因控制。当这两个基因中任何一个发生突变或者丢失时,籽粒硬度就会提高,用这样的小麦制作烘焙食品,口感会更好;要是两个基因都正常,就更适合加工馒头这类松软的食品。
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