Tea saponin additive to extract eleutheroside B and E from Eleutherococcus senticosus by ultrasonic mediation and its application in a semi-pilot scale.

Among the factors influencing eleutheroside B, X 1 , X 1 X 3, X 2 X 3 and X 3 2 are extremely significant, X 2 , X 3, X 1 X 2 and X 2 2 are nonsignificant, and X 1 2 is highly significant; among the factors influencing eleutheroside E, X 1 is a highly significant term, X 1 X 2 is significant, X 1 2 , X 2 2 , X 2 X 3 , X 1 X 3, X 2 and X 3 are nonsignificant, and X 3 2 is extremely significant.

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