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Pizza for health

作者:全芮谥    发布时间:2019-03-08 05:07:05    

Americans will soon be getting more beta-carotene from their pizza, thanks to tomato-breeding work by the US Department of Agriculture. “Typical tomatoes now contain 2 to 5 micrograms of beta-carotene, the precursor to vitamin A, per gram,” says John Stommel, a plant geneticist with the Agricultural Research Service in Beltsville, Maryland. “But the varieties we just released have over 55 micrograms per gram.” He says the first crops are destined for tomato paste, sauce and juice, but beefsteak and cherry tomatoes for salads will follow soon. Vitamin A is an antioxidant,

 

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