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Modified starch may also be a cold-water-soluble, pregelatinized or instant starch which thickens and gels without heat, or a cook-up starch which must be cooked like regular starch. Drying methods to make starches cold-water-soluble are extrusion, drum drying, spray drying or dextrinization.
When the process is applied to food and the water is evaporated and removed, the food can be stored for long periods without spoiling. It is also used when boiling a substance at normal temperatures would chemically change the consistency of the product, such as egg whites coagulating when attempting to dehydrate the albumen into a powder.
Starch gelatinization is a process of breaking down of intermolecular bonds of starch molecules in the presence of water and heat, allowing the hydrogen bonding sites (the hydroxyl hydrogen and oxygen) to engage more water. This irreversibly dissolves the starch granule in water. Water acts as a plasticizer.
In cooking, reduction is the process of thickening and intensifying the flavor of a liquid mixture, such as a soup, sauce, wine or juice, by simmering or boiling. [1] Reduction is performed by simmering or boiling a liquid, such as a stock, fruit or vegetable juice, wine, vinegar or sauce, until the desired concentration is reached by ...
Bring the water to a rolling boil with the pot cover on, ensuring the heat is on its lowest setting. Cook your eggs anywhere from 15 to 18 minutes. Boiling 9 to 12 eggs at once
Decoction involves first drying the plant material; then mashing, slicing, or cutting the material to allow for maximum dissolution; and finally boiling in water to extract oils, volatile organic compounds and other various chemical substances. [1] Occasionally, aqueous ethanol or glycerol may be used instead of water. [2]
Before you preheat your oven or turn on your mixer, be sure that your ingredients are at room temperature, roughly 65° to 70°F. This is essential for the butter (or other non-dairy fat) and eggs ...
1. Preheat the oven to 425°. Slice off the top 1/2 inch of each tomato and reserve the tops. Scoop out the tomato cores and seeds. Cut a very thin sliver off of the bottom of each tomato to help them stand up straight. Arrange the tomatoes in a 9-by-13-inch glass or ceramic baking dish. 2.