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Q. What do you mean by Blanching?
The enzymes in the food system can be separated into four groups relating to the changes in flavour, colour, texture and nutritive value.
The inactivation of these enzymes is dependent upon both the time and temperature of heat treatment during the process of blanching. Peroxidase is the most heat stable enzyme in plants and thus is taken as the "universal indicator" for checking the adequacy of blanching for fruits and vegetables.
Blanching of vegetables prior to freezing and dehydration has some advantages, as well as, disadvantages. The advantages include stabilization of texture, colour, flavour and nutritional quality; removal of intercellular gases, reduction in microbial load and shrinkage of vegetable matter which can aid in the achievement of required fill weight. The disadvantages include loss of colour, flavour and nutritive value. However, the disadvantages can be taken care of by optimizing the time and temperature required for blanching.
Entropy (S) is a molecular 'disorder', or more precisely 'the number of microscopic arrangements of energy possible in a macroscopic sample'. Entropy depends strongly on the state
explain about is shrotely
manatic moment of KMno4
For principle quantum numbern= 4 the total number of orbitals having l=3: (1) 3 (2) 7 (3) 5 (4) 9 Ans: 7
Q. Write short notes on fabrication of rubber objects. Sol. Fabrication of Rubber: in the row condition rubber is composed of molecules of great length and molecular weight.
Radius of the first Bohr's orbit of hydrogen atom is: (1)1.06 Å (2) 0.222 Å (3) 0.28 Å (4)0.53A Ans: 0.53 Å
what is indicators
1. Produce a figure with an appropriate figure legend of your SDS-PAGE gel that could be published in a scientific journal. Indicate all relevant information, e.g.origin, f
Q. Requirements for the evaluation process? Some of the requirements to be kept in mind for the evaluation of the products are listed herewith: • People in a sensory test a
Electrovalent compound's: (1) Melting points are low (2) Boiling points are low (3) Conduct current in fused stat (4) Insoluble in polar solvent Ans: Conduct curre
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