World Grain - May 2008 - 56

RICE QUARTERLY: RICE PROCESSING DEVELOPMENTS IN CHINA

ing carrier for some functionality substances such as medicament, flavor,
pigment and activated substances and
applied to the medical, chemical and
food industries.
Broken rice, indica rice and byproducts of rice starch processing are
all good raw materials for rice protein
extraction. Rice protein features characteristics such as high nutrition, good
digestibility, low hypersusceptibility
and good dissolvability, making it especially suitable for children and the
elderly. Many processing technologies
of rice protein have been developed in
China.
UTILIZATION OF RICE BYPRODUCTS
In China, the use of rice hull is comprehensive. It can be used to generate
electricity and produce furfural. After
calcinations, silicon in the rice hull can
be transformed into silicon dioxide of

large absorption surface and high activity, which can be used as raw materials
for many carriers as well as composite
materials. In addition, research on sili-

The price of rice bran oil is
around five times that of common vegetable oil in China.

con to produce raw material of battery
silicon sheets are also carried out in
China, as there is neither arsenic nor
fluorin in rice hull. What's more, rice
hull can be used to produce non-polluted one-off canteens, which is a good
prospect in China.
Rice bran oil is used in the health and
nutrition sector because it contains various unsaturated fatty acids, sub-oleic
acid, oryzanol, vitamins, lecith and phy-

tosprterol. The price of rice bran oil is
around five times that of common vegetable oil in China.
Rice germ is also in demand for health
and nutrition, as 70% to 80% of the
fatty acids in rice germ is unsaturated.
The vitamin E content is between 2 to 3
milligrams per gram of rice germ, and
there are also special substances such as
phytosterol in rice germ. Rice is applied
to production of nutrition health food in
China, and good economic interest has
WG
been received.
Liu Zhongdong is a professor at the Henan
University of Technology in Henan, China. He
can be contacted by liuzhongdong2345@
yahoo.com.cn. This article is supported by
National Natural Science Foundation of China
(20672029\30270762) and national 863
program of P.R. China (2007AA100401).
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