Shiitake mushrooms, also known as shiitake mushrooms, are loved by the characteristic aroma, rich sweetness and high nutritional value.This mushroom contains many important nutrients such as choline, tyrosine, amino acids, B vitamins ... and antioxidants.As a result, eating shiitake mushrooms enhances the immune system, reduces cholesterol, supports blood pressure control and improves cardiovascular health.
However, if you buy or eat mushrooms that do not guarantee quality, you not only lose your health benefits but also risk the procession of the disease.Here are 5 signs to avoid when buying mushrooms to protect the health of the whole family:
1. Shiitake has an abnormal smell
Fresh or dry shiitake mushrooms when good quality often have a natural, pleasant aroma.If the mushroom smells sour, strong, or unpleasant, pungent is a sign that they have been left for too long or impregnated with preservatives.Among them, especially dangerous is chemicals to increase the time of preservation, deodorant formaldehyde.When eating these mushrooms, it is easy to cause poisoning, digestive disorders, liver or kidney damage and even cancer if used for a long time.
2. Shiitake mushrooms have different colors
If you find mushrooms with strange colors, especially dark black or too bright white, do not buy.It is a sign of fungus that has been left for too long, losing nutrients or not enough time to grow.Mushrooms are too black because they have been left for too long or lose nutrients, mold.While too white mushrooms are often harvested too early, less nutritious or grow in unsafe environments.Eating mushrooms with abnormal colors can increase the risk of food poisoning and digestive problems.
3. Shiitake mushrooms have dark spots or mold
When observing the surface of the mushrooms, if there are small black spots or mold signs, they absolutely do not buy.They may have been broken or infected, poisoned, metamorphic, and not guaranteed.This not only reduces nutritional value but also has the potential to cause food poisoning, causing serious illnesses.Especially moldy mushrooms can contain aflatoxin - a 1 -level carcinogens warned by WHO.
4. Shiitake mushrooms are too soft, brittle when touching
Delicious and safe shiitake mushrooms must have good elasticity and solid structure.If the mushrooms are too soft, even hydrated may be caused by chemicals, soaked in water, moldy or metamorphic.The brittle shiitake mushrooms when touching are signs for too long, excessive drying leads to reduced nutrition or even containing preservatives.Should pay special attention to the mushroom hat, if it is not intact or cracked, it should not be purchased because it is susceptible to bacteria and mold.
5. Shiitake mushrooms are too large or too small
Shiitake mushrooms are too large or too small are not good choices.Too large mushrooms can be a sign of unnatural farming, often used to promote growth.These mushrooms can lose their natural flavor and do not guarantee nutritional quality.In contrast, mushrooms are often young, not fully developed, containing little nutrients and may not be safe.
The ideal size of fresh shiitake mushrooms usually ranges from 5 - 8cm for mushroom hats, with mushroom legs with a length of about 5cm, thick and firm.For dry shiitake mushrooms, each mushroom usually has a length of about 3-5 cm and is evenly dried, not cracked or too dry, retaining the unique scent.
Source and photo: Aboluowang, Eat This