JOURNAL ARTICLE

Antiinflammatory effects of ginger and some of its components in human bronchial epithelial (BEAS-2B) cells

Julia A Podlogar, Eugen J Verspohl
Phytotherapy Research: PTR 2012, 26 (3): 333-6
21698672
The proinflammatory chemokine interleukin-8 is increased in asthmatic patients. Traditionally, ginger is used as an antiinflammatory drug. An extract and several compounds of Zingiber officinale (ginger) were tested in human bronchial epithelial cells (BEAS-2B cells) with respect to their effect on lipopolysaccharide (LPS)-induced secretion of the proinflammatory chemokine interleukin 8 (IL-8) and RANTES (regulated upon activation, normal T-cell expressed and secreted). An oily extract of ginger rhizome with > 25% total pungent compounds, ginger volatile oil, ar-curcumene and α-pinene reduced the LPS-induced IL-8 secretion (measured by a specific enzyme-linked immunosorbent assay), whereas a spissum extract, the pungents [6]-gingerol and its metabolite [6]-shogaol, and the terpenoids citral and β-phellandrene showed no effect. The LPS-induced slight increase of RANTES was reduced by volatile oil, ar-curcumene and α-pinene. There was no effect of LPS on TNF-α. Our results suggest that distinct ginger compounds could be used as antiinflammatory drugs in respiratory infections.

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