Inhibition of histamine mediated responses by Mirabilis jalapa: confirming traditional claims made about antiallergic and antiasthmatic activity
MAXIA, ANDREA;SANNA, CINZIA;
2010-01-01
Abstract
The roots of Mirabilis jalapa are used traditionally in allergic skin disorders and asthma. The effect of an ethanol : acetone (1 : 1) extract of the roots of M. jalapa was studied for antihistaminic activity using a guinea pig tracheal chain preparation and clonidine-induced mast cell granulation in mice. Its antiallergic activity was evaluated using milk-induced eosinophilia and albumin-induced paw oedema in mice. The extract (0.5mL of 100 mgmL1) inhibited histamineinduced guinea pig tracheal chain contractions non-competitively. The extract (100 or 200 mgkg1 i.p.) inhibited milk-induced eosinophilia, albumin-induced paw oedema and protected mast cells against clonidine-induced granulation. The study justified the folkloric use of M. jalapa in the treatment of allergic diseases and asthma.File | Size | Format | |
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