I'm going to buy six walnuts for the elderly at home. What is the nutritional value? Is it okay?

Walnut contains 50%-60% fat, and 70% of these fats are linoleic acid. Linoleic acid helps middle-aged and elderly people to enhance cerebrovascular function, improve brain cell activity, enhance memory and thinking ability, reduce cholesterol and prevent atherosclerosis. Through advanced processing technology, the utilization rate of protein and fat in six walnuts can reach more than 97%, and almost the nutrition of the whole walnut is retained. It is certainly beneficial for the elderly to drink it for a long time.