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在小麦和大麦籽粒成长中发现的糖主要是单糖,所以单糖很可能是胚乳内淀粉形成的原始产物.显然,小麦中蔗糖从皱痕维管束的韧皮部中的移动是穿过合点而进入胚乳腔的.进入胚乳腔的蔗糖在进入胚乳或从胚乳腔直接进入胚乳之前,很可能是在珠被和糊粉层间围绕胚乳移动的.由于蔗糖是从小麦的韧皮部向胚乳移动的,所以它似乎没有被分解.
The sugars found in the grain growth of wheat and barley are predominantly monosaccharides so monosaccharides are most likely the original product of starch formation in the endosperm.It is clear that the movement of sucrose from the phloem of the wrinkled vascular bundles is through the junction Endosperm chamber The sucrose entering the endosperm cavity is likely to move around the endosperm between the bead and the aleurone before it enters the endosperm or enters the endosperm directly from the endosperm cavity.Because sucrose moves from the phloem of the wheat to the endosperm It does not seem to be broken down.