It has been recorded in the Classic of Materia Medica that Lycium barbarum can moisten dryness and nourish, and it can also clear away heat, but it is an important medicine for tonifying kidney, moistening lung, promoting fluid production and benefiting qi, and it is a tonic for liver and kidney due to deficiency of true yin and fatigue. Seven or eight out of ten elderly people are yin deficiency, so eating at home is good for their eyes. In the past, many people claimed to be able to produce lean qi, except for those with yin deficiency and internal heat, which can improve eyesight, cover the heat and retreat to produce yin, and the yin can produce essence and blood, and the liver can improve eyesight. Blackwater belongs to the kidney, and the Yin Qi gain of the two viscera is self-evident.
Chinese medicine believes that eating Lycium barbarum often can "strengthen bones and muscles, keep fit and resist cold and heat". Therefore, it is often used as a tonic and anti-aging drug.
Modern medical research has also confirmed that it contains betaine, polysaccharide, crude fat, crude protein, carotene, vitamin A, vitamin C, vitamin b 1, vitamin b2, calcium, phosphorus, iron, zinc, manganese, linoleic acid and other nutrients. At the same time, it has the functions of promoting hematopoiesis, anti-aging, anti-mutation, anti-tumor, anti-fatty liver and lowering blood sugar.
When the great poet Lu You was old, his eyes were dim and his vision was blurred. He often ate Lycium barbarum to cure diseases. So, he wrote the poem "Xue Ji Maotang bells are clear, and Chinese wolfberry is served in the morning". Lycium barbarum is the best choice for health preservation in ancient and modern times, and it has the function of prolonging life.
Moreover, eating Lycium barbarum regularly can beautify the skin, improve the skin's ability to absorb oxygen, and also play a whitening role.
In different seasons, Lycium barbarum has different ways to eat.
In summer, it can be served with chrysanthemum, honeysuckle and green tea. After drinking, it can make people relaxed and happy, and has a good effect of benefiting the liver and improving eyesight.
When the air is dry in autumn, it can be served with Sydney, Fritillaria cirrhosa, Lily and Polygonatum odoratum. Or with some acidic foods, such as hawthorn, to achieve the effect of "sour and sweet".
Eating Lycium barbarum in winter can strengthen yang, and you can eat it every day, especially with mutton, cistanche deserticola, Morinda officinalis, Jinkui Shenqi Pill and so on. It is helpful to the growth of human yang and resist the cold of nature.
Although Lycium barbarum is a good thing, not everyone can eat it. For those who have spleen and stomach weakness, diarrhea due to cold and dampness or exogenous heat toxicity, that is to say, those who have a cold, fever and inflammatory diarrhea, it is best not to eat it, otherwise it will be more serious.
Generally speaking, it is more appropriate for healthy adults to eat about 20 grams of medlar every day; If you consider the effect of treatment, it is best to eat about 30 grams a day. Many animal experiments on the toxicity of Lycium barbarum prove that Lycium barbarum is a very safe food, which contains no toxin and can be eaten safely for a long time.