The free essential amino acids were highest in colostral milk and declined with advancing lactation.

人乳中的必需游离氨基酸在初乳中合量最高，以后随泌乳时间的延长而下降。

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The free essential amino acids were highest in colostral milk and declined with advancing lactation.

人乳中的必需游离氨基酸在初乳中合量最高，以后随泌乳时间的延长而下降。

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