Continue to yesterday's article, we continued on peanut oil and identify what methods can be identified, followed forrest below small make up together to see identification.
Observe the transparency of oil.Transparency is very high quality vegetable oil, moisture, less impurities.Need to stand for 24 hours later, clear, not cloudy, no precipitation, without suspended matter.On the contrary, it is of poor quality oil.
See the colour and lustre of oil.Good quality peanut oil will be a light yellow or orange yellow standard colour;Soybean oil is a deep yellow, sometimes pale yellow;Rapeseed oil standard color for Huang Zhong slightly green or golden, cottonseed oil for the light yellow.
Smell the oil.With your fingers to touch a little oil rice bran oil plant (http://www.ricebranoilplant.com), put in the palm, rub to smell its taste.Good quality color good oil, besides each have the smell of the plant itself should have general smell there would be no other peculiar smell.If there is peculiar smell, explain the quality of the oil has been bad
Taste it.Use chopsticks sticking on a bit of oil, discern the taste on the tongue.Quality of normal oil without peculiar smell.Such as oil have bitter, hot, acid, flavor, such as hemp oil was bad, the quality of the oil with anxious burnt flavour is bad.
Heating.Water after the big sunflower oil extraction (http://www.sunflowermill.com) will produce a lot of bubbles.And squeak.Soot smell of choking bitterness spicy, oil is rancid.Good quality oil should be less bubble and disappear fast.
Above identification method can be used as other oils identification, the above method can also be friends in life test, can master the identification method of cooking oil, continue to buy cooking oil you need not afraid to buy fake edible oil, at the same time, zhengzhou forrest grain and oil machinery equipment co., LTD. Welcome you to visit grain and oil equipment.