|What Products of Biotechnology Are in U.S. Supermarkets Now? :.|
In the past, cheese was made using the enzyme rennin, extracted from a calf's stomach. Now a purer rDNA-derived enzyme preparation, Chymosin, is used in the production of more than half of the cheese in the market.
Papaya is one of several fruits that is currently sold in the markets. Please see this link for more information
Several plant products are currently grown and sold in some areas.