![pectin造句怎么写]( "pectin造句怎么写")
- Applesareanexcellentsourceofpectin.Aftertestingmanyothercompounds,theteamtriedpectin.Lemonscontainpectinfiber,whichassistsinfightinghungercravings.MethodsThepectincontentinpectinextractwasdetermineddirectlybycarbazoleandsulphuricacidspectrophotometri...
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