cotton seeds oil
Cotton
seed oil is one kind of edible oil in the world, which the
byproduct in the industry of cotton planting. After been apart from
shells, the magnitude of cotton kernel is about *0%. Cotton usually
grow in the torrid zone and subtropical zone, in our country most
of cotton plant in Henan, Hebei, Jiangsu, and Hubei province,
Sichuan, Shandong, Hunan and Zhejiang provience is the second
cotton producing area. Cotton oil is one of the most popular edible
oils in China.Semifinished cotton oil is a kind of oil with dark
color and unfavorable smell and bitterness. The major reason that
semifinished cotton oil is dark color is that the semifinished
cotton oil contains about 1% free oil, other ramification,
phosphorus fat, sterol and etc. When refine it, gossypol, mucilage
can be removed, the content can be 0.*1% or even
less.
Then we can get the cotton clear oil with jasmine
and no bad smell.The quality of semifinished cotton oil depends on
the condition of climate after the cotton matured. If it is dry ,
good quality
cotton oil can be produced, on the contrary ,
if it is drippy, the quality of oil would not good. So the acid
value of the semifinished oil, which is obtained from wet or reechy
cottonseed is high.
Cottonseed oil contents high level of
saturated fatty acid, so the freezing point of conttonseed oil is
rather high, and can be thick even freeze on the condition of lower
temperature. After refrigeration, the cottonseed oil without
stearin can also be clear on the condition of 0 for five hours.
This kind of cottonseed oil is named freeze cottonseed oil. It can
be used as axunge. The remanent part is called cottonseed stearin,
it is a flaxen cheese fat which can be used as the raw material of
margarine and the substitute of swine fat.The color feedback of
cottonseed oil: heaping up with 1% carbon disulfide and
chlorobenzene liquor, cottonseed oil has the ingenious redness
reaction, it is called Halfen experimentation.
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