Yes.

Beef loin is the kidney in the body of animal cattle, it looks similar to the shape of grapes, and with a distinct odor, many people can not accept its taste, which is the main reason why no one eats beef loin.

Effects: tonifying the kidney and benefiting the essence, strengthening the waist and knees, and stopping paralyzing pain. It is used for deficiency of the kidney, impotence and lack of gas, lumbar and knee pain, paralysis and pain.

Allusion

According to legend, in the late Ming Dynasty, Liu Zizheng, a university scholar, was dismissed from his post and returned to his hometown. On his way back to his hometown, he stayed for a few days at the home of an old colleague in Jingle, who prepared a fine banquet for him, but was stopped by Liu. Liu said he was tired of eating the delicacies of the sea, and wished to have some home-cooked meals.

The old colleague instructed the cook. The chef then used white flour, mixed with rice-sugar and brown sugar, and fried a kind of pasta for him. The shape is like a cow's waist, there is a knot at one end, fried in sesame oil into a charred red, soft in the mouth, taste mellow and fragrant sheep, sweet but not greasy, elastic. Liu was very satisfied and named it cow's waist.

Refer to Baidu Encyclopedia - Beef Kidney