Diterpenes from the aerial parts of Salvia candelabrum and their protective effects against lipid peroxidation

Article Abstract:

A methanolic extract of the aerial parts of Salvia candelabrum was subjected to multiple chromatographic separations under the guidance of anti-lipid peroxidation assay. The differences in antioxidant capacities seen in the enzyme-independent system allowed conclusions concerning structure-activity relationships.

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Polysaccharides from Hibiscus sabdariffa flowers stimulate proliferation and differentiation of human keratinocytes

Article Abstract:

The influence of a raw polysaccharide and four acidic subfractions flowers on human keratinocytes was investigated. Although mitochondrial activity was not affected, raw polysaccharides did induce early differentiation of primary natural human keratinocytes, as determined by involucrin formation.

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Hydroxylation and glucosidation of ent-16beta-hydroxybeyeran-19-oic acid by Bacillus megaterium and Aspergillus niger

Article Abstract:

The ent-16beta-hydroxybeyeran-19-oic acid is known to possess antihypertensive properties. Structural modification of the acid by microbial transformation was carried out in order to derive novel and more effective compounds.

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