There exist a large quantity of PEs(pectinesterases) in orange, which are clified as thermostability PE(TS-PE) and thermolability PE(TL-PE). They are composed of several isoenzymes.

柑橘中含有大量的果胶酯酶（PE），可分为热稳定性果胶酯酶（TS-PE）与热不稳定性果胶酯酶（TL-PE），是由几种同工酶组成的。

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There exist a large quantity of PEs(pectinesterases) in orange, which are clified as thermostability PE(TS-PE) and thermolability PE(TL-PE). They are composed of several isoenzymes.

柑橘中含有大量的果胶酯酶（PE），可分为热稳定性果胶酯酶（TS-PE）与热不稳定性果胶酯酶（TL-PE），是由几种同工酶组成的。

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