BACKGROUND The androgen comprises a group of hormones that play roles in male reproductive activity as well as personal characteristics. OBJECTIVE We investigated the androgenic activity of various herbal medicines in human prostate cancer 22Rv1 cells. MATERIALS AND METHODS Herbal extracts of Trichosanthes kirilowii (TK), Asarum sieboldii (AS), Sanguisorba officinalis (SO), and Xanthium str...

Acetolactate synthase (ALS) was isolated from a field population of cocklebur (Xanthium strumarium) that developed resistance to the herbicide Scepter following three consecutive years of application. The active ingredient of Scepter, imazaquin, gave an inhibitor concentration required to produce 50% inhibition of the enzyme activity that was more than 300 times greater for the resistant enzyme...

A growth regulator (G; 4-ethyl-1-hydroxy-4,8,8,10,10 pentamethyl-7,9-dioxo-2,3 dioxyabicyclo (4.4.0) decene-5) from Eucalyptus grandis (Maiden) reduced stomatal conductance and also photosynthetic capacity when fed through the transpiration stream of detached leaves. The concentration of G required for this effect was high (10(-4) molar), but the amount of G taken up (dose) was below the level ...

BACKGROUND Xanthium indicum stem is used in folk medicine of Bangladesh to control sugar in diabetic patients and to alleviate pain. The objective of the study was to evaluate antihyperglycemic and antinociceptive activity of methanolic extract of Xanthium indicum stems (XISE) in mice. METHODS Antihyperglycemic activity was measured by oral glucose tolerance tests in glucose-loaded Swiss albi...