Vacuum frying is a frying process that is carried
out at pressures well below the atmospheric level. It has
been used for different foods, but mostly fruits and
vegetables. The latest reports include apple, apricot,
banana, jackfruit, green and gold kiwifruits, carrot,
mushroom, potato, shallot, sweet potato, and purple
yam. Vacuum frying offers an alternative way to
improve the quality of fried fruit and vegetables other
than by atmospheric frying. The main factors that influence fried products
are the frying time-temperature combination of the
cooking process; the correct combination of which is
necessary to produce a food product with acceptable
physical attributes.vacuum
frying significantly lowered the final oil content in
comparison to atmospheric fried vegetables and
it also slowed the rancidity of the oil. Most of the
benefits of vacuum frying from the low temperatures
used and the minimal exposure to oxygen, which
reduces the adverse effects on the oil quality, preserves the natural color and flavor, decreases the acrylamide
content and preserves nutritional
compounds, such as vitamins and minerals.
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