Nu hoa, qua-Flos et, Fructus sophorae
- Thanh phan hoa hoc
Flavonoid, rutin la thanh phan chu yeu trong ho£, ham lirgng co the den 28-30%, d la rutin 4,7%. Ngoai ra con c6 cac hgp chat sophoradiol la dan chat cua olean (triterpenoid), con c6 cac hgp chat isoflavonoid, sophoricosid, sophorabiosid.
- Tac dung sinh hoc
+ Tac dung ha huyet ap (ngay ca khi loc bo rutin o nirdc sdc hoa hoe) tren cho da gay me.
+ Tac dung lam giam tinh tham cua mao mach, tang sg ben vtfng cua hong cau, giam thap tn/ong luc co tron chong co that, chong xo viira dong mach
- Cong dung
Dung hoa hoe trong benh tang huyet dp dung rieng hoac co the phoi hgp vdi cac vi thuoc khdc nhif hodng cam, cuc hoa, hoa dai, thao quyet minh... Dung tri cdc
benh xuat huyet nhir chay mdu cam, xudt huyet dutfi da, tri xuat huyet, chay mdu chan rdng...
Ngoai ra con dung de tri viem thanh ddi dan den khan tieng, mat tieng; dung hoa hoe 12g sdc uong. Con dung hoa ho& de phong va tri cac benh ngoai da bi ton thtfong do bufc xa.
- Hoe gidc cung la thuoc ldOng huyet, chi huyet; dung trong cdc trUdng hop xuat huyet. Ngodi ra con co cong ndng thanh can sang mdt.
- Chii y :
+ Hoa hoe difoc thu hai vao cac ngay dep trtii khi n6 con d dang nu. Sau khi thu hdi can phoi ngay; tot nhat la dem sao nhanh d nhiet do 60-70°C de diet men rutinase, men gay thuy phan rutin lam ham lifong cua no bi gidm di.
+ Khi dung vOi ti'nh chat cam mdu, ngtfdi ta thuting sao chay hoa hoe. Tren thUc nghiem da chufng minh, hoa hoe sao chay co tac dung cam mau tot hon hoa hoe de song.
HOANG BA (HOANG NGHIET)
Phellodendron amurense Rupr. Ho Cam ■ Rutaceae