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.

	Product	Benefit
	Potatoes, corn, tomatoes  Resistant to insects	Less pesticide use
	Zucchini, crook necked squash  Resistant to virus	Less pesticide needed to control insects which spread the virus
	Tomatoes  Controlled or delayed ripening allows the best balance of sugars and tartness	Better tasting product for the consumer Reduced loss to molds after harvest
	Milk produced more efficiently	Less feed needed and less manure produced