... DirOC LIEU BANG PHl/ONG PHAP SAC KY LOfP MONG • • • KET HOP DO MAT DO QUANG HAP THU (TLC, DENSITOMETRY/ SCANNING) PHUC VU CONG TAC TIEU CHUAN HOA DU'OC LIEU Ha Noi 2009 ... chieu rdng vet (8mm), khoang each giua cac vet (10mm). He dung moi sdc ky: Toluen: ethylacetat: acid formic: nudc (1:12:2,5:3). Phdt hien: Do TLC -scanning, huynh quang, X 366nm va kinh ... trong khoang 5,2800-6,4100% 21 Geniposide B .—-r/; ;«.r.^.^/ ii :'K «kj ("Vj"" Duoc lieu chi tu D6 thi xac dinh khoang tuyen tinh Hinh 4.4. S^c ky do TLC scanning...