Learner's definition of CHEMICAL. 1. : of or relating to chemistry. a chemical analysis. chemical elements/bonds. They studied the compound's chemical structure/composition/properties. a chemical laboratory.
What is quasense? Uses: This medication is a combination of 2 hormones (an estrogen and a progestin) and is used to prevent pregnancy. It works mainly by preventing the release of an egg (ovulation) during your menstrual cycle.
Apples, as well as many other colorful fruits and vegetables, contain a rich amount of a particularly powerful antioxidant called quercetin. Quercetin is a flavonol type of flavonoid, found in plants, known for its potent antioxidant activity.uercetin may also inhibit the enzyme that the HIV virus needs to replicate itself (protease). Recent in vitro studies in 2005 and 2006 suggest that the way quercetin inhibits cancer cell proliferation is by causing cell death and/or stopping the cells from growing at some point in the cellular reproductive cycle. 3.