It was shown that there was distinct difference of morphological characters in both complex starch grain and single starch grain of endosperm between the well and poorly qualified rice.

结果表明：不同品质的稻米均有其固定的淀粉粒形态。杂交稻米淀粉粒的形态因双亲米质的优劣而具有明显差异。

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Starch is the main storage component in rice endosperm, and accounts for about 70 ~ 90 percentage of the dry weight of grain.

淀粉是稻米的最重要组成成分，占胚乳干重的70 - 90%，因此淀粉的组成与结构是决定稻米品质的重要因素。

youdao

Starch is the main storage component in rice endosperm, and accounts for about 85 percent of the dry weight of grain.

淀粉是稻米的最重要组成成分，占胚乳干重的85%以上，因此淀粉的组成与结构是决定稻米品质的最重要因素。

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