Fox grape- Trái giác ( vác)

Cayratia trifolia Linn.
Vitis trifolia (Family: Vitaceae) is commonly known as Fox grape in English; Amlabel, Ramchana in
Hindi and Amlavetash in Sanskrit. It is native to India, Asia and Australia. It is a perennial climber
having trifoliated leaves with 2-3 cm long petioles and ovate to oblong-ovate leaflets. Flowers are
small greenish white and brown in color. Fruits are fleshy, juicy, dark purple or black, nearly
spherical, about 1 cm in diameter. It is found throughout the hills in India. This perennial climber is
also found in the hotter part of India from Jammu and Rajasthan to Assam extending into the
peninusular India upto 600 m height. Whole plant of Cayratia trifolia has been reported to contain
yellow waxy oil, steroids/terpenoids, flavonoids, tannins upon preliminary phytochemical screening.
Leaves contain stilbenes (piceid, reveratrol, viniferin, ampelopsin). Stem, leaves, roots are reported
to possess hydrocyanic acid, delphinidin and several flavonoids such as cyanidin is reported in the
leaves. This plant also contains kaempferol, myricetin, quercetin, triterpenes and epifriedelanol.
Infusion of seeds along with extract of tubers is traditionally given orally to diabetic patients to check
sugar level of blood. Paste of tuberous is applied on the affected part in the treatment of snake bite.
Whole plant is used as diuretic, in tumors, neuralgia and splenopathy. Its climbers wrapped around
the neck of frantic bullock and poultice of leaves are used to yoke sores of bullock. The bark extract
shows the antiviral, antibacterial, antiprotozoal, hypoglycemic, anticancer and diuretic activity. This
article focuses on the upgraded review on chemical and biological properties of Cayratia trifolia Linn.
and triggers further investigation on this plant.

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