Kaurenoic acid (KA) is a diterpene which displays selective antibacterial activity against Gram-positive bacteria. Kaurenoic acid exhibits uterine relaxant activity via calcium blockade and opening ATP-sensitive potassium channels.
Journal of applied toxicology : JAT, 29(7), 560-568 (2009-04-25)
This study evaluated the potential cytotoxicity of the natural diterpenoids kauren-19-oic acid (KA), 14-hydroxy-kaurane (1) and xylopic acid (2), and semi-synthetic derivatives of KA (3-5) towards human cancer cell lines (K562, HL60, MDA-MB435 and SF295) and lymphocytes. Mouse erythrocytes were
Journal of ethnopharmacology, 130(2), 262-266 (2010-05-11)
ETHNOPHARMACOLOGYCAL RELEVANCE: The tea from the leaves of Baccharis illinita DC (Asteraceae family) is commonly used by the population as anti-inflammatory (including topically), protective gastric and anti-infectious. However, no studies have been done with this species to confirm its topical
A novel actinomycete producing heliquinomycin and 9'-methoxy-heliquinomycin, designated strain jys28T, was isolated from rhizosphere soil of Pinus yunnanensis and characterized using a polyphasic approach. The strain had morphological characteristics and chemotaxonomic properties identical to those of members of the genus
A dwarf mutant, dw arf 2 (dw2), was isolated from sunflower (Helianthus annuus). The most obvious alterations of dw2 plants were the lack of stem growth, reduced size of leaves, petioles and flower organs, retarded flower development. Pollen and ovules
The diterpenes ent-kaur-16-en-19-oic acid (1) and ent-beyer-15-en-19-oic acid (2) are the major constituents of a spasmolytic diterpenic mixture obtained from the roots of Viguiera hypargyrea, a Mexican medicinal plant. Microbial transformation of 1 and 2 was performed with Aspergillus niger.
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