Therapeutic Use of Natural Anthraquinone for Other than Laxative Actions

A double‐blind, placebo‐controlled study of a commercial Aloe vera gel in the treatment of slight to moderate psoriasis vulgaris

“…without contaminating exudate components from the latex portion beneath the plant's skin 20 . This is important as the latex contains anthraquinones, and as reduced anthraquinones have been used as antipsoriatic agents 21 . The fact that Syed et al .…”

“…20 This is important as the latex contains anthraquinones, and as reduced anthraquinones have been used as antipsoriatic agents. 21 The fact that Syed et al . observed no adverse effects may reflect their choice of a non-irritant vehicle.…”

Problems of Reproducibility and Efficacy of Bioassays Using Crude Extracts, with reference to Aloe vera

“…[16,76] Early anti-bacterial studies of Aloe vera extracts have provided confounding and even contradictory results. Some of these studies indicate that the bioactive agent(s) are anthraquinones, [77,78] whilst other studies found Aloe vera anthraquinones to be inactive as anti-bacterial agents. [79] Numerous subsequent studies have demonstrated the anti-bacterial activity of isolated anthraquinones from Aloes [80,81] and various other plant species.…”

Novel Natural Products: Therapeutic Effects in Pain, Arthritis and Gastro-intestinal Diseases

“…Some of them indicated that the bioactive agent(s) are anthraquinones (Levin et al 1988;Anton and Haag-berrurier 1980) whilst other studies found A. vera anthraquinones to be inactive (Lorenzetti et al 1964). Numerous subsequent studies have demonstrated the antibacterial activity of isolated anthraquinones from Aloes (Alves et al 2004;Ubbink-Kok et al 1986) and various other plant species (Park et al 2006;Manojlovic et al 2002;Hatano et al 1999).…”