Purple potato varieties are mainly divided into two categories: edible and processed; Among them, the processed purple potato is mainly used in industrial production, and its taste is not as good as that of edible potato. The size of processed purple potato is equivalent to the size of two edible purple potatoes. 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 bigger and sweeter than the edible ones. Pectin and honey will be added during processing to increase sweetness. Experts suggest that when people buy purple potatoes, it is best to choose ones with a size of150-250g; If you are still not sure, you can look at the color inside the fruit. Edible purple potato is lavender, and processed purple potato is purple.
It's 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. There is a strange smell when cooking, 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 cannot be eaten. Although germinated purple potato is not as toxic as potato, it tastes bad and it is not recommended to buy it. Purple potato varieties are mainly divided into two categories: edible and processed. Processed purple potato is not as sweet as edible purple potato. Because the processing type is usually a by-product used by factories to produce potato chips and the like. 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. Don't be greedy and cheap when buying purple potato.
3 Edible taboo of purple potato Purple potato contains oxidase, which is easy to produce gas. Eating too much will lead to bloating, burping and farting. Purple potato has a high sugar content. Eating too much will stimulate gastric acid secretion and make people feel heartburn. People suffering from dampness blocking the spleen and stomach and qi stagnation should be careful to eat. Avoid eating purple potato alone, and eat it with high-quality protein food for more comprehensive nutrition. Avoid eating raw. Purple potatoes should be cooked thoroughly before eating, because starch granules are difficult to digest without high temperature damage. Purple sweet potato is nutritious and delicious, but it is not suitable for excessive consumption.