????λ?????? > ?????? > ?????? > ??????L > ???
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?????????L?? Y??
?????????Pear Leaf
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??????????????????桢???????????????
????????????????1.Pyrus bretschneideri Rehd.2.Pyrus pyrifolia (Burm.f.) Nakai[Ficus pyrifolia Burm.f.]3.Pyrus ussuriensis Maxim.
?????????????＾????????????ɡ?
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1.???? ????????5-8m??????????С?????????????????????????????????????????????2.5-7cm???????????????????????λ?????Σ???5-11cm????3.5-6cm????????????????Ш?Σ?????д?????????????????????????????????????????ɡ??????????л?7-10?????4-7cm??????????????????????????1.5-3cm?????????Σ???1.2-1.4cm????1-1.2cm???????????????????????????20?????????????????5??4???????????????????λ?????Σ?????????????4???????8-9???
2.??? ?????????????????????????λ?????????????????4???????8???
3.?????? ??????2????????????δ??5-10cm????4-6cm???????????????5????????????????1-2cm??????5???????8-10???
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?????????1.???棺???????100-2000m????????????????????
2.??棺???????100-1400m?????????????????
3.?????棺???????100-2000m??????????????
????????1.???????????????????????????????????????????
2.????????????????????????????????????????????????????????????????????
3.??????????????????????????????????????
???????????????????飬???????????λ????????Σ???5-10cm????3-6cm??????????????Ш?Σ??????Σ?????????????????2.5-7cm??????????????汻?????????????????顣?????ζ????????
??????????????????????????????????????????????溬?????(chlorgenic acid)????????(arbutin)???????
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???????Σ?????????
?????????Ρ???κ?θ????????????λ?????к?????????С??????С?????????????ж???
???÷??????????????????9-15g??????????????????????????????????
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