Tomato Sauce: The Importance of
Enzymes and Temperatures The most
familiar vegetable puree in the West, and
perhaps in the world, is tomato sauce and
paste. The solids in tomatoes are about
two-thirds flavorful sugars and organic
acids, and 20% cell-wall carbohydrates
that have some thickening power (10%
cellulose, and 5% each pectin and hemicelluloses).
In the United States, commercial
tomato purees may include all the water in
the original tomatoes, or just a third.
Tomato paste is tomato puree cooked down
so that it contains less than a fifth of the
water of the raw vegetable. Tomato paste is
thus a concentrated source of flavor, color,
and thickening power. (It’s also an effective
emulsion stabilizer; see p. 628.)
Tomato Sauce: The Importance ofEnzymes and Temperatures The mostfamiliar vegetable puree in the West, andperhaps in the world, is tomato sauce andpaste. The solids in tomatoes are abouttwo-thirds flavorful sugars and organicacids, and 20% cell-wall carbohydratesthat have some thickening power (10%cellulose, and 5% each pectin and hemicelluloses).In the United States, commercialtomato purees may include all the water inthe original tomatoes, or just a third.Tomato paste is tomato puree cooked downso that it contains less than a fifth of thewater of the raw vegetable. Tomato paste isthus a concentrated source of flavor, color,and thickening power. (It’s also an effectiveemulsion stabilizer; see p. 628.)
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