A, the two nutritional composition is different:
1, purple kale nutritional composition: purple kale nutritional composition includes carbohydrates, protein, folic acid, ascorbic acid, vitamin A, tocopherol and other vitamins, copper, iron, selenium, calcium, manganese, zinc and other minerals.
2, green kale nutrients: green kale is rich in vitamin B, vitamin C, vitamin U, carotene, fiber and sugar and many other nutrients.
2, the characteristics of the two are different:
1, the characteristics of purple kale: purple kale is mainly characterized by the higher content or proportion of anthocyanin in the leaves.
2, the characteristics of green kale: fiber content is more, can promote the peristalsis of the intestinal wall, help digestion, prevent stool dryness.
Three, the role of the two are different:
1, the role of purple kale: purple kale high yield, ball tight, lower prices, easy to store and transport, resistance to disease and pests, now as an edible vegetable in the domestic large-scale planting, is a popular fresh-cut vegetables. Purple kale is valued for its bright color, high pigment content, high nutritional value, non-toxicity and safety.
2, the role of green kale: scientific experiments have proved that it contains special organic compounds, called indole compounds, scientists called cancer inhibitors.
Baidu Encyclopedia - Purple Kale
Baidu Encyclopedia - Green Kale