No blanching is not toxic.

Lettuce leaves are suitable for stir-fry, this method of eating is mainly the flavor of the leafy greens themselves, the leafy greens can be washed, without blanching, directly hot frying pan quickly stir-fry seasoning can be.

Of course, you can also blanch, blanching must pay attention to, too long, too high temperature will make it become soft, lose the crisp taste.

Extended Information

Lettuce is rich in vitamins, calcium, phosphorus, iron, potassium, magnesium, dietary fiber and other ingredients. It has a fresh, slightly bitter flavor that stimulates digestion, increases bile secretion, and helps improve appetite. It contains an aromatic hydrocarbon hydroxylated ester, which has a preventive effect on liver cancer and can also alleviate the side effects of radiotherapy or chemotherapy for cancer patients.

In addition, lettuce contains a special ingredient that can inhibit mast cells from releasing histamine and other chemotactic substances, which can resist allergy-induced rhinitis. Lettuce leaves have four times the vitamin C content of stems, nearly six times the carotene content of stems, and higher protein, sugar and iron content than stems.

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