Food Standard and Quality Control

Lesson 17 : Food Toxicants


Cycads are ancient gymnospermous plants which are considered jan intermediate form in plant evolution from ferns to flowering plants. Study of fossils indicates that cycads were distributed widely throughout the world in the early Mesozoic period, i.e., about 200 million years ago.

The cycads which can be found today are essentially limited to the tropical and subtropical zones around the globecycasin is known as a general carcinogen and have recognized its profound effects on the central nervous system during embryonic and fetal development.

New areas for detailed research into the nature of growth arrest of the brain and the significance of an enzyme in the subcutaneous tissue of fetal and newborn rats have been suggested by these studies.

Last modified: Monday, 20 February 2012, 4:56 AM