phytochemical – מילון אנגלי-עברי
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Phytochemical
Phytochemicals are chemical compounds that occur naturally in plants (phyto means "plant" in Greek). Some are responsible for color and other
organoleptic properties, such as the deep purple of blueberries and the smell of garlic. Phytochemicals may have biological significance, for example
carotenoids or
flavonoids, but are not established as essential nutrients. There may be as many as 4,000 different phytochemicals.
Phytochemical
(a.)
Relating to phytochemistry.
Webster's Revised Unabridged Dictionary (1913), edited by Noah Porter.
About
phytochemical
[FY-toh-KEH-mih-kuhl]
A substance found in plants. Some phytochemicals may reduce the risk of cancer.
phytochemical
Any of a group of diverse compounds whose common denominator is that plants produce them. The prefix “phyto-” means “plant,” and, technically, “phytochemical” means “a chemical produced by a plant.” But the word usually denotes only certain plant constituents-plant compounds termed “bioactive non-nutrients”-that researchers regard as useful or possibly useful in preventing and treating disease. Moreover, sometimes the word denotes only those plant chemicals that (a) are constituents of fruits and vegetables and (b) may be useful in preventing cancer (in which case the phytochemicals are sometimes termed “chemopreventive agents”).
phytochemistry (phytochemical)
The study of substances found in plants. "Phytochemicals" are materials extracted from plant tissue.
