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Peanut oil storage characteristics

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Peanut oil storage characteristics

Peanut oil storage characteristics

Peanut oil storage characteristics

 

Peanut oil under normal storage conditions, the process of automatic oxidation of rancidity, the change is: the auto-oxidation process is related to the season, if you start storage in winter, low temperature can effectively delay the style of lipase and oxygen, as the seasons change , The temperature rise, the temperature at 15-30 ℃, on the one hand due to the role of lipolytic enzyme, so that fat hydrolysis, increased acid value, on the other hand the oxygen in the air infiltration, will promote the oxidation of oil to form hydroperoxides.

Into the summer room temperature and the tank temperature exceeds 30 ℃, if stored in open-air tanks or open-air storage, the daily exposure to the sun, in which case, environmental factors will promote the oxidation of oil accelerated. Especially in the sun under UV or metal catalyst, when the radiation temperature exceeds 50 ℃, the peroxide and hydroperoxide, will be further decomposed and then by: molecular rearrangement into aldehydes and ketones, the storage of fat Rancidity

Pub Time : 2018-02-05 14:32:34 >> News list
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