Aloe vera (Aloe barbadensis) is one of the herbal remedies with a longstanding history for its curative and therapeutic properties for various ailments. Till date more than 75 active components with medicinal value have been identified in Aloe vera and have been suggested to possess synergistic action in alleviating the diseased conditions (Scalbert and Williamson, 2000; Hamman, 2008; Nejatzade...

Aloe arborescens is a large, multi-stemmed shrub. It is used as hedge plants to protect agricultural fields or stock and as horticultural plants in gardens. In natural habitats it is one of the very common Aloe species along the Indian Ocean coast of southern Africa, from the Cape, in the south, to Zimbabwe and Malawi in the north. Secondary phenolic metabolites such as barbaloin (Rf 0.31-0.35)...

As a new absolute quantitation method for low-molecular compounds, quantitative NMR (qNMR) has emerged. In the Japanese Pharmacopoeia (JP), 15 compounds evaluated by qNMR are listed as reagents used HPLC reference standards in assay of crude drug section JP. previous study, we revealed that humidity affects purity values hygroscopic and (i) control before during weighing is important reproducib...