Winter jujube, also known as frozen jujube, goose red, apple jujube, rock sugar jujube, is currently recognized as a high-quality cultivated variety of fresh food. It is produced in Chengwu, Cao County and other places in the southeast of the mountain, and is currently the largest winter jujube variety.
Winter jujube is rich in nutrients, in addition to containing other nutrients in the jujube fruit, it is also rich in 19 kinds of amino acids and vitamins needed by the human body, vitamin A, B vitamins, vitamin C (high content, the reputation of living vitamin pills), vitamin e and other vitamins; also contains carotene. Winter jujube also contains potassium, sodium, iron, copper and other trace elements, as well as anti-cancer substances cyclic adenosine phosphate, cyclic guanosine phosphate and so on. These nutrients and nutrients are beneficial to the human body, have the function of keeping capillaries unobstructed, preventing the increase in the fragility of blood vessel walls, and are effective for hypertension and atherosclerosis, and have anti-cancer effects. The nutritional value is the crown of the hundred fruits, and it is known as the "king of hundred fruits".
There are also techniques for selecting winter dates, generally delicious winter dates, are large areas of blue-green, and then only a small part of them are red. If it is all red or half green and half red, it is necessary to pay attention to whether it is a saccharin date. Looking at the size and shape, the flesh inside the generally larger winter dates is more, and the surface of the winter dates must be relatively smooth, such as the kind of better winter dates, the skin is particularly hard to the touch. If the surface is soft, be wary of whether it is saccharin dates. Moreover, if the winter dates are crisp and sweet to eat, the winter dates are good, and vice versa, they are not good.