Today, maximum economists are
alarming about food crisis and this is due to the misdistribution or lack of
supply of food products to the needy people. There are various countries can be
found those have surplus food or grains but lack of interest and following
wrong method to preserve food makes maximum food product waste. This is the
reason for which all the producers should be aware of the post production
procedures. Scientists invented various procedures to accelerate food
production and similarly also emphasized on how to preserve them for a longer
period of time. Food which will go for longer, it’ll have qualities to feed
maximum number of people. This is the method to eliminate starvation from the
world.
Freeze
Drying Technology
is one of such invention which is much effective now these days in order to use
food products for a longer time without harming its supplement structure. This
technology is not new to the mankind as it has been using from ancient time
from when ancestries were using sunlight to stock the food for a long time. The
latest freeze drying technology has nothing but an improved version from the
same process. In this process, food products are sliced into thin pieces and
then kept inside a deep freezer which helps to make the nutritional structure
tune and after keeping sometime, these are covered with ice coat preventing the
external air to enter the products. It is worth notice that, external air works
as a catalyst and responsible for microbiological activities in those products.
Lessening water content from the products is the first and main priority for
all processes those are designed to expand the life expectancy. After the
freezing process, they are placed under the tremendous vacuum which absorbs
water from the products. This is the level where the coated ice directly
converted to vapor without going through liquid stage. This vacuum process
absorbs almost 70% to 90% of water content making the products extremely dry
with a reduction weight.
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