6Zhang L, Tizard IR. Activation of a mouse macrophage cell line by acemannan: the major carbohydrate fraction from Aloe vcra gel[ J ]. Immunopharmacol, 1996,35 (2): 119.
7Qiu ZH, Ken J, Mark W, et al. Modified Aloe barbadensis polysaccharide with immunoregulatory activity[J ]. Planta Med, 2000,66(2): 152.
8Reynoles T, Dweek AC. Aloe vera leaf gel: a review update [ J ]. J Ethnopharmacol, 1999,68 (1-3): 3.