Preliminary study on chemical components and pharmacological effects of Loranthus parasiticus (L.) Merr

ABSTRACT

Loranthus parasiticus (L.) Merr. Loranthaceae (Vietnamese name is Tang ky sinh) was a traditional medicinal herb for treatment of back pain, hypertension, lack of sleep, etc. The chemical analysis confirmed the Loranthus parasiticus (L.) Merr. extract contained flavonoids, adjuvant heart glycosides, antraglycosids, tannin pyrocatechics and organic acids. Total flavonoid content was 0.57%. The pharmacological experiments in mice, dogs, isolated ears and isolated ileum of rabbits have revealed that the Loranthus parasiticus (L.) Merr. extract had antihypertensive, sedative and vasodilator effects. In addition, Loranthus parasiticus (L.) Merr. decrease ileum's mobility of rabbits and had a low acute toxicity