It turned out that the benefits exceed the purple yam that is in my brain, very unusual, could even be a loss if not consume them. Although these foods seem cheesy, but even exceed the benefit of modern food in urban areas.
Purple pigments in purple yam is useful as an antioxidant because it can absorb air pollution, toxins, oxidation in the body, and inhibits the clotting of blood cells. If like this, it looks like purple yam is actually fit for consumption of the city. Purple sweet potato also contains a natural food high fiber, prebiotics, levels of low Glycemic Index, and oligosaccharides.
In addition, purple yam also contains lysine, Cu, Mg, K, Zn average of 20%. He is also a source of carbohydrate and calorie source that is high enough. Coupled with a source of vitamins and minerals, vitamins contained in sweet potatoes, including vitamin A, vitamin C, thiamin (vitamin B1), and riboflavin. While minerals in sweetpotato include iron (Fe), phosphorus (P), and calcium (Ca).
Another is the content of protein, fat, crude fiber and ash. The total anthocyanin content varied at each plant and ranged from 20 mg/100 g to 600 mg/100 g wet weight. The total anthocyanin content of purple sweet potato is 519 mg/100 g wet weight.
Purple sweet potato anthocyanins also have physiological functions such as antioxidant, anticancer, antibacterial, protection against liver damage, heart disease and stroke. Purple yam could be anti-cancer because in it there is an active substance called selenium and iodine and twenty times higher than other types of sweet potatoes. Purple sweet potatoes have antioxidant and antibacterial activity of 2.5 and 3.2 times higher than the several varieties of "blueberries", but it's also good to encourage the smooth circulation of blood.
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