How to tell if the lotus seeds have been smoked with sulfur

Regular lotus seed processing enterprises use two methods: manual peeling and mechanical grinding, and the raw materials must be fresh and not damp.

Among them, the handmade white lotus, with a little natural wrinkled skin, and the machine-milled white lotus, with a little residual red skin on it; The chemically peeled lotus seeds swell a little in the place of the knife marks during processing.

The holes of handmade and dermabrasion lotus seeds are relatively small, while the holes of lotus seeds soaked in potion are larger.

After the handmade white lotus and the white lotus with grinding skin are boiled, they smell fragrant, and the lotus seeds are very inflated.

Chemically peeled lotus seeds have basically no change in size after cooking, and they smell like alkali.

After soaking lotus seeds in chemical medicine, there is no powder of lotus seeds on the surface.

Follow-up question: Is there any easier way to judge, such as what can be intuitively identified: lotus seeds that have been smoked with sulfur smell a little pungent for a short time, and have no smell after a long time.

What you smell is usually the smell of damp water from the merchant. The lotus seeds that have been smoked with sulfur are generally not clean, red-skinned, and the lotus seeds are white after sulfur fumigation, and the mouth turns yellow and black. Follow-up:

If there is never a real **, how can you distinguish between a ** and a fake?

Here are some ways to tell if lotus seeds have been smoked with sulfur:

1.Tell by smelling the smell. Lotus seeds that have been smoked with sulfur will smell pungent with sulfur, while lotus seeds that have not been smoked with sulfur will only have a faint fragrance.

2.It is judged by looking at the color of the lotus seeds. Lotus seeds that have been smoked with sulfur are whitish in color, while lotus seeds that have not been smoked with sulfur are naturally off-white or beige.

3.It is judged by looking at the texture of the lotus seeds. Lotus seeds smoked with sulfur have a hard texture and a crisp taste, while lotus seeds that have not been smoked with sulfur have a soft texture and a powdery taste.

4.It is judged by looking at the soaking liquid of lotus seeds. Soaking lotus seeds that have been smoked with sulfur will produce a yellowish solution, while the liquid produced after soaking lotus seeds that have not been smoked with sulfur has no significant color change.

5.A professional sulphur dioxide test card can be used for testing. Drip the test card into the soaking solution, if the test card turns blue, it means that the lotus seeds have been smoked with sulfur.

It should be noted that if the lotus seeds have been smoked with slight sulfur, it may not be easy to detect, and it is recommended to use a variety of methods to make a comprehensive judgment. At the same time, in order to ensure health, it is recommended to choose unprocessed and natural lotus seeds for consumption.

1. Look: Regular lotus seed processing enterprises use manual peeling and mechanical grinding, the raw materials must be fresh, no moisture, manual white lotus, a little natural wrinkled skin, machine grinding white lotus, a little residual red skin on it. The chemical lotus seed has a little swelling at the place of the knife mark during processing.

2. Smell: Regular lotus seeds smell fragrant after boiling, and the lotus seeds swell a lot. After the chemical lotus seeds are boiled, the size basically does not change, and there is a smell of alkali.

3. Touch: The regular lotus seeds have obvious textures, and white lotus powder is left on the hand. Chemical lotus seeds are relatively flat, and there is no powder of lotus seeds on the surface.

Identify the four points of lotus seeds.

Look at the price. Lotus seeds** are generally 40-45 yuan 500 grams, and the aged lotus smoked with sulfur may only be 20-25 yuan 500 grams;

Look at the color. Whether it is natural, whether the skin of the lotus seed is naturally wrinkled, the color is whitish, and it is too uniform;

Smell the smell. Normal lotus seeds should be fragrant;

Boil and soak. Natural lotus seeds are soft and glutinous when cooked, while low-quality lotus seeds may not be soaked or boiled.

Anything that has been smoked with sulfur will have a numb feeling when you lick it with the tip of your tongue, which is easy to distinguish, and the color is also different from the normal color.