蕨麻中多糖提取工艺研究及含量测定

蕨麻是蔷薇科委陵菜属的多年生草本植物、富含植物多糖、块根可入药。 通过两种提取方法、将蕨麻中 提取的多糖采用苯酚-硫酸比色法进行测定。 试验结果表明、索氏提取仪提取甘南蕨麻中多糖含量为 14. 34 mg/ g、超 声波辅助提取法提取甘南蕨麻中多糖含量为 24. 25 mg/ g。 因此、超声法提取蕨麻中多糖含量明显高于索氏提取法。

St udy on t heext ract i on proces sand cont entdet erm i nat i on ofpol ys acchari desi n Pot ent i l l a ans er i na

Pot ent i l l a anser i na i s a per enni alher b r ose,whi ch i s r i ch i n pl antpol ys acchar i des,and i t s r ootcan be made i nt o medi ci ne. Ext r act ed by t wo met hods, pol ysacchar i des f r om pot ent i l l a wer e measur ed by phenol-vi t r i ol i c col or i met r y.The r esul t s showed t hat ,pol ysacchar i de cont ent ext r act ed by soxhl et ext r act i on was 14. 34 mg/ 100mL, and pol ysacchar i de cont ent ext r act ed by ul t r asoni c assi st ed ext r act i on was 24. 25 mg/ 100mL.Thr ough t he det er mi nat i on,t he pol ysacchar i de cont entofPot ent i l l a anser i na ext r act ed by ul t r asoni c ext r act i on wassi gni f i cant l y hi ghert han t hatofsoxhl et ext r act i on.