Differences are as follows:

1, yam contains more water, very easy to break. This yam has a short, thin and hard shape, the presence of burrs of different lengths on the surface, and the cut surface is very delicate. The epidermis has closely distributed purple spots and pore bumps and hairy whiskers.

2, the difference in taste. The texture of the yam and the yam is different, because it contains more water, loose and fragile texture, less fiber, so it is more crisp texture, while the yam contains less water, the texture is tight and firm so eat is soft and creamy.

3, the difference in use. Because of the different taste of the reason, the two kinds of yam practice is not the same, the yam because it contains less water, used to stir-fry vegetables are easy to become mushy and black. So this yam is more suitable for steaming or used to cook porridge, the more you cook the more delicate, the more you cook the more delicious. It can also be eaten as a staple food and is very filling.

The yam is suitable for stir-frying to eat, so that the fried yam is not only not blackened, but also very crisp and refreshing, of course, can also be used to brush the hot pot to eat, wrapped in dipping sauce, full of flavor.

Nutritional value:

Yam, eaten by humans since ancient times, is one of the earliest plants consumed by humans. As early as in the Tang Dynasty, the poet Du Fu's poem has the famous line "filling the intestines with more yams". Yam tubers are plump and juicy, sweet and silky, and sticky, and are delicious when eaten raw or hot. According to the Shandong Provincial Academy of Agricultural Sciences on the yam laboratory results.

The average tuber contains 14.48% crude protein, 3.48% crude fiber, 43.7% starch, 1.14% sugar, 2.62% potassium, 0.2% phosphorus, 0.2% calcium, 0.14% magnesium, 5.51% ash, 53.57 ppm iron, 29.22 ppm zinc, 10.58 ppm copper, 5.38 ppm manganese. 20 kinds of amino acids that humans need. amino acids, yam contains 16.?

Yam and yam with date paste. Yam meat is tender and extremely rich in nutritious health substances, making it an excellent health food. Shennong's Classic of the Materia Medica is said to be "the main Jianzhong supplement deficiency, in addition to the cold and heat evil gas, tonic in the benefit of qi, long muscle, long service ears and eyes smart"; "Rihua Zi Materia Medica" said that its "help the five viscera, living muscles and bones, the long will to tranquilize the spirit, the main treatment of spermatorrhea forgetfulness".

"Compendium of Materia Medica" that yam can "benefit the kidneys, strengthen the spleen and stomach, stop diarrhea and dysentery, palsy saliva, moist fur". In recent years, research has shown that yam has the role of inducing the production of interferon to enhance the body's immune function. It contains choline and lecithin to help improve the memory of the people, often eat the fitness can be strong, slow aging, is a favorite health care products.

Based on yam, supplemented by konjac made of food, with nutritious, nourishing fitness, beauty effect, is a rare health and nutritional food.