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Extrusion Technology :
Nowadays Extrusion Technology playing an important role
in many industries such as food, feed and polymer. Extrusion is a multivariable
unit operation i.e. mixing, shearing, cooking, puffing and drying in one energy
efficient rapid continuous process. This process of High Temperature Short Time
(HTST), extrusion brings gelatinisation of starch, denaturation of protein, modification
of lipid and inactivation of enzymes, microbes and many anti nutritional factors.
The extrudates are texturally and histologically restructured.
Nutrilab® Diet is
manufactured using High Temperature and Short duration (HTSD) extrusion method.
In this process, feed ingredients are subjected to high temperature (130 º C to
140 º C) and high pressure (Approximately 200 atm) for a very short duration (Under
30 Seconds). In addition to adapting Extrusion Technology, raw material or feed
ingredients employed in the manufacture of Nutrilab Diet are subjected to various
quality test by qualified and dedicated Q.C team so as to ensure better quality
end product that meets the requirements.
Steps Involved in Extrusion Process :
1)
Selection of Feed Ingredients and other raw materials
2) Grinding and Mixing of
Ingredients
3) Preconditioning
4) Passing through the Extruder Machine
5) Drying
of the Pellets (Finished Product)
6) Analysis of the Finished Product
7) Packing
Key benefits of Extrusion :
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Very lowMicrobial Count |
High temperature and pressure kills majority of the organisms including Salmonella
and E.Coli. |
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Anti-nutritional factors |
Destroys anti-nutritional factors thus prevents untoward effects and improves the
digestibility |
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Gelatinisation of Starch |
Breaks down starch into simpler units and improves the digestibility and palatability |
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Ruptures Oil-Bearing Cells |
For better digestibility, palatability and stability. |
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Lower Moisture Level |
Excess moisture is lashed off bringing end product to under 10% moisture level. |
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No wastage of Feed |
Pellets are firm and do not break or don’t get powdered during transport, storage
or feeding, so no wastage of feed. |
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Don’t absorb Moisture |
Pellets do not absorb moisture during storage or during use in the animal house
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Long shelf life |
Six months to One year |
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Uniform size |
The Extruded Pellets are oval shaped with uniform size |
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