What is the difference between purple potato, sweet potato and yellow potato (sweet potato)?

Purple sweet potato is purple sweet potato, white sweet potato is bean potato and yellow sweet potato is sweet potato; The difference between purple potato, bean potato and sweet potato: different nutritional value, different substances and different morphological characteristics.

First, the nutritional value is different.

1, purple sweet potato: It has antioxidant, antitumor, memory enhancement, hypertension prevention, myocardial repair, liver dysfunction relief, and immunity enhancement effects.

2, bean potato: it has the effects of promoting fluid production to quench thirst, cooling and removing heat, hangover and lowering blood pressure.

3, sweet potato: enhance the body's resistance to viruses such as colds; Delay aging.

Second, it contains different substances.

1, purple potato: rich in dietary fiber, starch, vitamins, trace elements (selenium, iron, calcium, potassium, etc. ), anthocyanin, glycoprotein, carotene.

2. Potato: It contains a variety of active ingredients such as β-carotene, dehydroepiandrosterone (DHEA), glycoprotein, dietary fiber and polyphenols.

3. Sweet potato: rich in protein, fat, polysaccharide, phosphorus, calcium, potassium, carotene, vitamin A, vitamin C, vitamin E, vitamin B 1, vitamin B2 and 8 kinds of amino acids.

Third, the morphological characteristics are different.

1, purple sweet potato: cylindrical or angular, purple.

2, potatoes: root block, spindle-shaped or oblate, generally about 20-30 cm in diameter.

3. Sweet potato: There are round, oval or spindle-shaped tuberous roots in the underground part, and the shape, skin color and flesh color of the tuberous roots vary with varieties or soils.

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