Purple groundnut is purple potatoes, white groundnut is sweet potatoes, yellow groundnut is sweet potatoes; purple potatoes, sweet potatoes, sweet potatoes, the difference between: different nutritional value, different substances, different morphology

a, different nutritional value

1, purple potatoes: antioxidant, anti-tumor, enhance memory, prevention of high blood pressure, repair of cardiac muscle, reduce liver dysfunction, enhance the immune function and so on. The first is to be a good example of this.

2, jicama: with the thirst, cool to remove heat, alcohol poisoning, lower blood pressure and other effects.

3, sweet potato: enhance the body's resistance to colds and other viruses; delay aging.

Second, different substances

1, purple potatoes: rich in dietary fiber, starch, vitamins, trace elements (selenium, iron, calcium, potassium, etc.) and anthocyanosides, glycoproteins, carotenoids.

2, jicama: β-carotene, dehydroepiandrosterone (DHEA), glycoprotein, dietary fiber and polyphenolic compounds and other active ingredients.

3, sweet potato: rich in protein, fat, polysaccharide, phosphorus, calcium, potassium, carotene, vitamin A, vitamin C, vitamin E, vitamin B1, vitamin B2 and eight kinds of amino acids.

Three, different morphological characteristics

1, purple potatoes: cylindrical or angular, purple.

2, jicama: root tuberous, fusiform or oblate, generally about 20-30 cm in diameter.

3, sweet potato: underground part with round, oval or fusiform tuberous roots, the shape of the tuberous roots, skin color and flesh color varies according to varieties or soil.

Baidu Encyclopedia - Sweet Potato

Baidu Encyclopedia - Jicama

Baidu Encyclopedia - Purple Potato