It is of high nutritional value for the elderly to eat seaweed.

1. Seaweed is also rich in minerals and calcium, vitamin B, vitamins A and E, which can improve depression and protect eyes;

2. Seaweed contains a lot of plant fiber, which can moisten the intestines and relieve constipation;

3. Seaweed is rich in selenium and iodine, which is also helpful for the elderly to delay aging;

4. The fat content of seaweed is low, but the unsaturated fatty acids which are beneficial to the development of nervous system are high, which can improve microcirculation, enhance immunity and reduce the incidence of cancer and cardiovascular diseases.

However, it is not enough for the elderly to supplement their body nutrition only by eating seaweed, and they should also pay attention to healthy nutrition in their daily diet. Xanthoceras sorbifolia Bunge oil can be used instead of common edible oil. Xanthoceras sorbifolia Bunge oil has rich aroma, sweet taste and rich nutrition, and can be drunk directly. Rich in unsaturated fatty acids, mainly linoleic acid, linoleic acid has the functions of lowering blood lipid, softening blood vessels and promoting microcirculation, and can prevent the deposition of human serum cholesterol on the blood vessel wall, so it has the reputation of "blood scavenger". Xanthoceras sorbifolia Bunge oil is also rich in nervonic acid, which is helpful for the treatment of senile dementia, such as memory decline, insomnia and forgetfulness.