QUESTION
What
is the difference in energy content of raw and boiled rice?
ANSWER:
The energy content of raw
rice is 3620 cal/kg with 12 per cent water content whereas that of boiled
(cooked) rice is 1098 cal/kg with 73 per cent water content. Another variety is
known as parboiled rice. Parboiling is a hydrothermal treatment followed by
drying before milling for the production of milled parboiled grain.
During parboiling, the B vitamins
and minerals from hulls, bran and germ will be leached into endosperm and hence
loss during polishing is minimised. The energy content of parboiled raw rice is
3703 cal/kg with 10 per cent water content whereas that of boiled (cooked)
parboiled rice is 1057 cal/kg with 73 per cent water content .
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