1.
Zhongguo Zhong Yao Za Zhi
; 31(19): 1590-3, 2006 Oct.
Artículo
en Chino
| MEDLINE
| ID: mdl-17165581
RESUMEN
OBJECTIVE: Determine the content of ursolic acid of Liuwei Dihuangwan. METHOD: Using NIR with PLS, PCA-BPANN and WT-BPANN. RESULT: The predication recovery were 100.7%, 100.6%, 100.1%, and the RSD were 5.42%, 6.49%, 6.52% respectively. CONCLUSION: NIR can be used in the determination of ursolic acid, which set up the foundation of on-line control of traditional Chinese medicine.