To say the importance of camellia oil oil refining, points first to make sure that blind-folded or iron rolling out hair oil and use what's the difference between the cold pressing process of refining camellia oil, nutrition experts, through the analysis of the oil composition found oil contains many impurities.These impurities not only affect the oil of the preservation and quality, but also affect the color and flavor of stir-fries, Fried food, and even toxic and carcinogenic risk.
(1) the camellia oil smoke
We were using the hair oil when cooking, will find heated oil smoke, sometimes produce choking smell.Nutritionists through to the analysis of impurities in oil analysis, oil was found to contain small amounts of phosphorus esters, free fatty acids and organic impurities such as hydrocarbon.Phosphorus esters make oil not only appearance is cloudy, dim, when cooking, and produces a large number of bubbles and generate the black precipitate, stir-fries, Fried food color and flavor, trouble, also promote the oil rancidity;Free fatty acid not only affects the flavor of oil, accelerate the fat hydrolysis, and its content is higher, the lower the oil smoke point;Through the refining of deodorization process (http://www.palmmill.com/News/108.html), under the condition of high temperature and high vacuum, low carbon chain material to remove all of the oil smoke point of above 215 ℃.
(2) the color of camellia oil
Oil than refining camellia oil color depth.Because of the influence of the traditional diet, some people still think the color deep camellia oil than light-colored camellia oil of high purity, good quality, habits at the beginning of that oil, authentic tea oil.In fact, good tea oil is light yellow, clear, and the tea oil perfume.Oil is darker pigment.Such as gaa not only make tea oil with deep color, and toxic.And after decolorization, deodorization process refining of camellia oil contains no pigment, avoid the pigment to the human body damage.