Purple potato varieties are mainly divided into two categories: edible and processed; Among them, processed purple potato is mainly used in factory production, and its taste is not as good as that of edible potato. The size of processed purple potato is equivalent to two sizes of edible purple potato. According to reports, the processed purple potato is mainly used to produce raw materials such as purple potato paste, powder and diced. Considering the cost and processing conditions, the processed purple potato varieties are larger in size and less sweet in taste than edible ones. Pectin and honey will be added in the processing to increase the sweetness. Experts suggest that when people buy purple potatoes, it is best to choose a head with a weight of150-250g; If you are still not sure, you can look at the color inside the fruit. The edible purple potato is lavender, while the processed purple potato is purple.
2 It is better to buy large purple potatoes or small ones!
Don't choose round ones, try to choose long ones, and give priority to spindle-shaped purple potatoes, so that purple potatoes taste better. The surface of purple potato should look smooth, and the skin with black spots should not be. When cooked, it has a strange smell like detergent. Remember that rotten purple potatoes are poisonous. Don't pick them. Purple potato should not smell musty. Moldy purple potato contains ketotoxin and is inedible. Although germinated purple potato is not as toxic as potato, it tastes poor and is not recommended to buy. Purple potato varieties are mainly divided into two categories: edible and processed. The processed purple potato is not as sweet as the edible purple potato. Because the processing type is usually used in factories to produce by-products such as potato chips. In the local market, the price of edible purple potato is about 3-5 yuan per catty, while the price of processed purple potato is about 1 yuan, so don't be greedy for petty gain when buying purple potato.
3 Edible taboos of purple potato Purple potato contains oxidase, which is easy to produce gas. If you eat too much, you will have bloating, hiccups and farting. Purple sweet potato has a high sugar content. Eating too much can stimulate the secretion of gastric acid and make people feel heartburn. People who suffer from dampness blocking the spleen and stomach and stagnation of qi should eat carefully. Avoid eating purple potato alone, and eat it with high-quality protein food, which is more comprehensive in nutrition. Avoid eating raw. Purple potatoes should be cooked thoroughly before eating, because starch granules are difficult to digest without high temperature damage. Purple potato is nutritious and delicious, but it should not be overdone.