Experiments performed in a test tube or another artificial, controlled environment, rather than in a whole animal.
Indirect Food Additive(s)
Indirect food additives are additives that may become part of the food in trace amounts due to its packaging, storage or other handling. For example, minute amounts of packaging substances may find their way into foods during storage.
A class of chemical compounds found in plants that may have some similar effects as the human hormone estrogen. These compounds also may have potent antioxidant properties.