How to choose high quality edible oil

How to choose high quality edible oil

The main performance of edible oil is color, odor, transparency and flavor.

Color: Good quality soybean oil is dark yellow, generally light yellow; rapeseed oil is yellow with a little green or golden yellow; peanut oil is light yellow or light orange, cottonseed oil is pale yellow.

Odor: Use your finger to dipped in a little oil, rub it in the palm of your hand, and then smell the odor. Good quality oil should have its own oily taste depending on the variety and should not have other odors.

Transparency: high transparency, less water impurities, quality is good. The good vegetable oil, after standing for 24 hours, should be clear and transparent, not cloudy, no precipitate, no suspended matter.

Taste: Use chopsticks to put a little oil into the mouth, there should be no bitter, greasy smell, rancid odor.

It is worth noting that there are always individual cases of "oil-dependent" in these cooking oils. Salad oil should be clear, transparent, colorless or light yellow, peanut oil, soybean oil, vegetable oil and other translucent pale yellow to orange yellow, sesame oil is orange or brown. Soybeans, rapeseeds, peanuts, sesame, etc. are obtained through preliminary treatment of oil, deep color, turbidity, unfit for human consumption, if the vegetable oil is poor in transparency, viscosity becomes large, there are bubbles, often a symbol of deterioration. Peanut oil solidifies into an opaque state at low temperatures in winter. This is a normal phenomenon and should be differentiated when it is identified.

How to identify the cooking oil? Identify the texture of the oil by looking, smelling, listening, tasting, asking five aspects. First, pure vegetable oils are colorless and transparent. If pigments or impurities are added during production, the color and transparency will change.

Second, each oil has a unique smell. If there is a slight stench of odor, it may be "ditch oil," and normal cooking oil will only give off a faint scent. Heat the oil. If there is odor, it is more likely to be "drainage oil".

In addition, you can use a pair of chopsticks to pour a drop of oil and taste the flavor. If there is acidity or odor, it is very likely to be "ditch oil."

In addition, the oil can be ignited and heard. The normal soundless combustion is a qualified product; the burning is abnormal and the sound of “squeaking” sounds is due to excessive moisture; when the burning sounds “snaps”, it indicates that the water content of the oil is exceeding the standard and may be mixed. Fake products. You can also ask the merchant's purchase channel, if necessary, ask for a purchase invoice or check the local food hygiene supervision department sampling test report.

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