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Determine the parts of plant source
The natural food colourants from plant sources are classified into 5 types:
a) Anthocyanins,
b) Betalaines,
c) Carotenoids,
d) Chlorophylls and
e) Curcumin.
Literature has been well documented, with a lot of research work going into varied aspects of colourants from the above plant sources. A variety of fruits, vegetables and flowers have also been studied as potential sources of colourants. One of the novel sources has been tissue culture of grape varieties. The callus induced from the anther of grape plants is transplanted to a liquid culture medium and cultured aerobically. Pigment is then extracted from the culture which can be manipulated to give maximum colour yield during growth, by adding various chemicals to the medium or irradiating with light.
Modified or Semi-synthetic Gums These are natural polymers, which are chemically modified to give a new product with improved functional properties. These also fall into severa
Drowning: Drowning is a cause of accidental death in children Accidental drowning may occur because children do not have adequate protective supervision. It may be defined
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Define Laser Tweezers Technology? In addition to above said classical methods, advance technologies can be used for obtaining pure cultures. Laser tweezers technology is useful
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Epithelial tissue the cells in animals which are closely packed in either single or multiple layers, and which cover internal and external surfaces both of the animal body. It is
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