How to pick purple potatoes

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Time of issue:2019-11-05 11:28
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(Summary description)1. Look at the color Purple potato is rich in anthocyanins, the skin and potato are purple or dark purple. When choosing purple potato, choose the skin with no damage to the skin and the color is normal, do not choose too dark or bright. 2. Look at the shape The shape of wild purple sweet potatoes is round and stick-shaped. When buying purple sweet potatoes, choose uniform size, stick-shaped, and long purple sweet potatoes.

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How to pick purple potatoes

(Summary description)1. Look at the color Purple potato is rich in anthocyanins, the skin and potato are purple or dark purple. When choosing purple potato, choose the skin with no damage to the skin and the color is normal, do not choose too dark or bright.
2. Look at the shape The shape of wild purple sweet potatoes is round and stick-shaped. When buying purple sweet potatoes, choose uniform size, stick-shaped, and long purple sweet potatoes.

Categories:Industry News
Author:
Origin:
Time of issue:2019-11-05 11:28
Views:

Information

How to pick purple potatoes

1. Look at the color Purple potato is rich in anthocyanins, the skin and potato are purple or dark purple. When choosing purple potato, choose the skin with no damage to the skin and the color is normal, do not choose too dark or bright.

2. Look at the shape The shape of wild purple sweet potatoes is round and stick-shaped. When buying purple sweet potatoes, choose uniform size, stick-shaped, and long purple sweet potatoes.

3. Smell purple potatoes are tubers that are rich in starch, without obvious odor. The soil may have a fragrance of soil. You can smell the purple potatoes when you choose purple potatoes.

4. Seeing purple potatoes that have been germinated for too long, they may germinate. Although the germinated purple potatoes are not toxic and can be eaten, they are easily moldy after germination. Moldy purple potatoes can produce toxins and cannot be eaten. The taste of potatoes is poor, so you should decide whether to germinate when choosing purple potatoes.

Buy purple potatoes big or small

It is recommended to buy small purple potatoes. Due to different varieties, the size of purple potatoes is also different. The processed purple potatoes are larger in size. They are often used to make purple potato puree, purple potato noodles, and purple diced potatoes. However, the edible purple potatoes are small but have a sugar content. It is high and tastes good. Relatively speaking, if you eat it in life, it is recommended to buy small purple potatoes. Generally, it is better to choose between 150-250 grams.

Where to buy purple sweet potatoes

Southern region. The suitable growth temperature of purple potato roots is 22 ～ 24 ℃. The growing environment requires sufficient sunlight. It is grown in Guangdong, Guangxi, Yunnan, Fujian and other places in China. The variety of purple potatoes is diverse, and the cultivation is different in different places. Southern China The temperature is suitable, the light is sufficient, and the quality of purple potatoes is better.

How to tell if purple potatoes are spoiled

The softness of the kneaded purple potato is rich in starch, and it is a hard tuber. If the purple potato is soft in the hands, the outer skin will shrink, it is likely to be moldy and deteriorated, and it is not recommended to buy. Seeing normal black spots, purple potatoes look smooth and have a purple or lavender skin. If black spots appear on the outside, they are moldy purple potatoes that may have rotted inside. It is not recommended to eat them.

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