Abstract
Uncaria tomentosa is a member of the plant family Rubiaceae. It has been used as medicinal plants in West Kalimantan. The cytotoxic of ethanol extract from the hooks of U. Tomentosa was determined. This study used Brine Shrimp Lethality Test (BSLT) method with solution concentration 1,000; 5,000 and 10,000 ppm. The extract has LC50 values of 21,754 ppm. It is indicated the extract not toxic. This extract is potent to be used as drugs.
Highlights
Plants of the genus Uncaria (Rubiaceae) contains approximately 34 species
It has been used as medicinal plants in West Kalimantan
Flavonoids, polyphenols, triterpenoids, steroids, saponin and tannin were identified as secondary metabolites from ethanol extracts of leaves U. tomentosa (Iskandar, 2020)
Summary
Plants of the genus Uncaria (Rubiaceae) contains approximately 34 species. The genus is distributed mainly in tropical regions, such as Southeast Asia, Africa, and Southeast America. Uncaria tomentosa is a member of the plant family Rubiaceae. It has been used as medicinal plants in West Kalimantan. The cytotoxic of ethanol extract from the hooks of U. This study used Brine Shrimp Lethality Test (BSLT) method with solution concentration 1,000; 5,000 and 10,000 ppm.
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