大葉骨碎補

根莖中含三萜成分：骨碎補酸(davallic acid)，24-去甲羊齒-4(23)，9(11)-二烯(24-norferna-4(23)，9(11)-diene〕，何帕-21-烯(hop-21-ene)，何帕-22(29)-烯〔hop-22(29)-ene〕，新何帕-12-烯(neohop-12-ene)；黃烷-3-醇糖甙及原矢車菊素糖甙成分：左旋-表兒茶精-3-O-β-D-吡喃阿洛糖甙(epicate-chin-3-O-β-D-allopyranoside)，左旋兒茶精-3-O-β-D-吡喃阿洛糖甙(catechin-3-O-β-D-allopy ranoside)，左旋表兒茶精-3-O-β-D-(2"-O-香草酰)吡喃阿洛糖甙(epicatechin-3-O-β-D-(2"-O-vanillyl)allopyranoside〕，左旋一表兒茶精-3-O-β-D-(3"-O-香草酰)吡喃阿洛糖甙〔epicatechin-3-O-β-D-(3"-O-vanillyl)allopyranoside〕，原矢車菊素β-2，3"-O-D-β-吡喃阿洛糖甙(procyanidin β-2，3"-O-β-D-allopyranoside)，表阿福兒茶精-(4β→8)-表兒茶精-3-O-β-D-吡喃阿洛糖甙〔epiafzelechin-(4β→8)-epicatechin-3-O-β-D-allopyranoside〕，表兒茶精-(4β→8)-表兒茶精(4β→8)-兒茶精-3-O-β-D-吡喃阿洛糖甙〔epicatechin-(4β→8)-epicatechin-(4β→8)-catechin 3-O-β-D-allopyranoside〕，原矢車菊素(procyanidin)，原矢車菊素三聚物(trimeric procyanidin)；4β-羧甲基-(-)-表兒茶精(4β-carboxymethyl-(-)-epicatechin〕及其鉀、鈉鹽；4β-羧甲基-(-)-表兒茶精甲酯〔4β-carboxymethyl-(-)-epicatechin methylester〕，表兒茶精-(4β→8)-4β-羧甲基表兒茶精〔epicatechin-(4β→8)-4β-carboxymethylepicatechin〕及其鉀、鈉鹽，表兒茶精-(4β→6)-表兒茶精-(4β→8)-表兒茶精-(4β→6)-表兒茶精〔epicatechin-(4β→6)-epicatechin(4β→8)-epicatechin-(4β→6)-epicatechin〕；葉子中含有左旋-表兒茶精-3-O-β-D-吡喃阿洛糖甙，左旋-表兒茶精-3-O-β-D-(2"-反式-桂皮酰基)-吡喃阿洛糖甙(epicatechin-3-O-β-D-(2"-trans-cinnamoyl)-allopyranoside〕和左旋-表兒茶精-3-O-β-D-(3"-反式-桂皮酰基)-吡喃阿洛糖甙(epicatechin-3-O-β-D-(3"-trans-cinnamoyl)-allopyranoside〕。