果胶酶分布很广，可来源于动物、植物和微生物。

Pectinase is most widely distributed. It exists in animals, plants and microbes.

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果胶酶分布很广，主要存在于高等植物和微生物中。

It is widely distributed in higher plants and microorganisms.

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果胶酶分布很广，主要存在于高等植物和微生物中。

It is widely distributed in higher plants and microorganisms.

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