Abstract
Sarcostemma acidum Voigt, commonly known as Somlata, belongs to the Apocynaceae family and is a leafless plant with significant traditional medicinal use. Found mainly in Bihar, West Bengal, Odisha, and South India, it thrives in dry rocky areas. The shrub, characterized by numerous branches and an absence of leaves, features green, cylindrical stems ranging from 2 to 4 meters in length and 0.5 cm to 1 cm in diameter. The plant's leaves, though present in opposite positions, are reduced to scales, rendering it leafless. The flowers are actinomorphic, displaying a light yellow or white hue. Microscopic analysis of the stem of Sarcostemma acidum reveals three primary components: the outer epidermis layer, cortex, and vascular bundles. The outermost epidermis consists of a single layer of cells, and the cortex comprises collenchyma and parenchymal cells. The aqueous extract of S. acidum contains a diverse array of compounds, including carbohydrates, glycosides, alkaloids, tannins, flavonoids, proteins, free amino acids, steroids, triterpenoids, fixed oils, fats, mucilage, gums, and waxes. Different parts of S. acidum are utilized for various purposes, such as a natural restorative for health, ear drops in otitis, and application on wounds and cuts. The stem extract exhibits antipsychotic effects and inhibits spermatogenesis. Recent studies also highlight its analgesic, antipyretic, and antidiabetic properties. This plant holds promise for further research in isolating active constituents with therapeutic effects.
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