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Potential Anti-inflammatory Steroidal Saponins from the Berries of Solanum nigrum L. (European Black Nightshade).

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Solanum nigrum L. or European black nightshade (Solanum genus) is a common weed of crops and gardens. The berries and leaves of S. nigrum L. are consumed as food or vegetable… Click to show full abstract

Solanum nigrum L. or European black nightshade (Solanum genus) is a common weed of crops and gardens. The berries and leaves of S. nigrum L. are consumed as food or vegetable in some regions and reported to possess a range of biological activities. In this study, nine new steroidal saponins, solanigrosides Y1-Y9 (1-6, 10-12), together with seven known congeners, were isolated from the berries of S. nigrum. Their potential inhibitory effects on nitric oxide (NO) and IL-6 and IL-1β production induced by lipopolysaccharide (LPS) in macrophages cell line RAW 264.7 were evaluated. Compound 1 exhibited significant inhibition on NO production with an IC50 value of 9.7 μM, and some compounds exhibited significant inhibition effects on the LPS-induced IL-6 and IL-1β production. These results suggest that the steroidal saponins from berries of S. nigrum demonstrated pronounced anti-inflammatory activity and might be explored as a healthy benefit agent.

Keywords: steroidal saponins; solanum nigrum; black nightshade; nigrum european; saponins berries; european black

Journal Title: Journal of agricultural and food chemistry
Year Published: 2017

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