Abstract
The aim of the present study was to explore the aerial parts of the Polygonatumverticillatum for various biological activities such as phytotoxic, insecticidal and leishmanicidal properties. Outstanding phytotoxicity was observed for the crude extract and its subsequent solvent fractions against Lemna acquinoctialis Welv at tested doses of 5, 50 and 500 µg/ml. Complete growth inhibition (100%) was demonstrated by the crude extract and aqueous fraction at maximum tested dose (500 µg/ml). Among the tested insects, moderate insecticidal activity was recorded against Rhyzopertha dominica. However, neither crude extract nor its solvent fraction registered any significant (> 100 µg/ml) leishmanicidal activity againstLeishmania major. Based on the phytotoxicity, the aerial parts of the plant could be a significant source of natural herbicidal for sustainable weed control. Key words: Polygonatum verticillatum, phytotoxicity, insecticidal activity, leishmanicidal activity.
Highlights
IntroductionIn the traditional system of treatment, Polygonatum has been used for thousands of years
The rhizomes of P. verticillatum are indicated in the treatment of pain, pyrexia, burning sensation and for phthisis (Amrit, 2006)
Affinity chromatography has led to the purification of lectins from fresh rhizomes of the plant and was estimated 120 mg/kg (Antoniuk, 1993)
Summary
In the traditional system of treatment, Polygonatum has been used for thousands of years. The rhizomes of P. verticillatum are indicated in the treatment of pain, pyrexia, burning sensation and for phthisis (Amrit, 2006). Some of the other documented uses of the plant are as emollient, aphrodisiac, galactagogue (increases milk release), weakness, appetizer and tonic (Alam, 2004). The antinociceptive activity of the rhizomes of the plant has been recently reported (Khan et al, 2010). Affinity chromatography has led to the purification of lectins from fresh rhizomes of the plant and was estimated 120 mg/kg (Antoniuk, 1993). While considering the diverse folk uses of the plant, the present study was designed to analyze the crude extract of the aerial parts of plant and its subsequent solvent fractions for various biological activities such as phytotoxic, insecticidal and leishmanicidal activities
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