The contents of amino acids, soluble protein changed.A decreased activity of dehydrogenase and acid phosphoesterase was noticed during ageing.

• 种子老化过程中，可溶性蛋白质、游离氨基酸、脱氢酶及酸性磷酸酯酶活性显著变化，说明种子的老化使种子的代谢系统受到破坏。