7Yang F, Zhang T, Tiang G, et al. Preparative isolation and purification of hydr-oxyanthraquinones from Rheum officinale Baill by high speed counter-current chromatography using pH modulated stepwise elution[J].Chromatogr A, 1999,858(1) : 103-107.
8Kupchan S M, Karim A. Aloe-emodin:antileukemic principle isolated from Rhamnus frangula L[J].Lloydia, 1976,39 : 223- 224.
9Kuo P L, Lin T C, Lin C C. The antiproliferative activity of Aloe-emodin is through p53 dependent and p21-dependent apoptotic pathway in human hepatoma cell lines[J]. Life Sci, 2002, 71 (18) . 79-92.
10Lee H Z, Hsu S L, Liu M C, et al. Effects and mechanisms of aloe emodin on cell death in human lung squamous cell carcinoma[J].Eur J Pharmacol,2001,431(3) 287-295.
