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define various methods of food processingin this unit you studied the various methods of food processing you learnt that food being most vital for
define changes in food due to concentration processobviously concentration that exposes food to 100degc or higher temperatures for prolonged periods
define freeze concentrationthis process has been known for many years and has been applied commercially to orange juice however high processing costs
explain about the vacuum evaporatorsit is common to construct various vacuumised vessels in series that is why the product moves from one vacuum
define the meaning of open kettles a number of foods can be satisfactorily concentrated in open kettles which are heated by steam this is the case
define the solar concentration as in food dehydration one of the simplest methods of evaporating water is with solar energy a typical example of this
define the methods of concentration we define the concentration process as one that starts with a liquid product and ends up with a more concentrated
define types of dryersthere are many other dryer types available such as osmotic drying impingement drying microwave and dielectric drying
determine major aspects of the mechanism of freeze dryingthe major aspects of the mechanism of freeze drying are a the removal of vapour from the
explain about the freeze drying methodthe techniques of freeze-drying have been developed over the past half-century for the purpose of preserving
define the roller drying drum drying methodone of the important techniques for drying liquid food products is the roller drier like spray drying
define foam spray drying method this is an extension of spray drying and involves the use of gases dissolved under pressure prior to spraying the
define the spray drying methodspray drying is a unique drying process since it involves both particle formation and drying it is most suitable for
what is the microflake - t dehydrationthis technique involves the drying of a continuous sheet of foam 20 mm thick on a continuous stainless steel
define the foam mat drying methodthis process is a development of the vacuum puffing but instead of employing a vacuum to foam the material it is
what is the vacuum puff dryingthe vacuum puff process has been developed for drying liquids under vacuum the development of processes for drying
explain the explosion puffingexplosion puffing has been recognized as one of the most significant developments in dehydration technology in explosion
explain about the torbed dryeron the other hand is a variation of the fluidized bed dryer this is designed for use with particulate foods torbed
define the fluidized dryersfluidization occurs when a flow of fluid upwards through a bed of particles ranging from fine powders to particulate foods
explain the rotary dryersrotary dryers are widely used to dry relatively large throughputs of granular products and by products in a number of
explain the conveyor or band dryersin the conveyor or band dryer the product is distributed on a moving belt typically of a perforated plate that
explain about the tray and tunnel dryerstray and tunnel dryers are widely used in the food industry in both cases the material being dried is
explain about the solar dryersthere are so many different designs for solar dryers these range from simple convection dryers cabinet dryers shelf
explain about the shade dryingshade drying is carried out for products which can lose their colour andor turn brown if put in direct sunlight
define the sun and solar drying methodthe make use of solar energy to preserve the food items is mainly the oldest form of food reservation and is