The purple coloring of the potato was cultivated here in Okinawa. Eventually, Polynesians brought the purple sweet potato to the rich, volcanic soils of Hawaii, where it continues to flourish today. About that purple coloring? The color comes from anthocyanins. 2 апр. 2018 г.
Are purple sweet potatoes native to Hawaii?
They are thought to have reached Japan in the 1600s, where they were planted in Okinawa—the southern island of Japan—before they were cultivated throughout Japan. Later the purple potatoes found their way to Hawaii where they're now a staple and part of their native menu.
Why are some sweet potatoes purple?
The purple color is completely natural. It comes as a result of an antioxidant called anthocyanin, the same antioxidant responsible for the color of the color of red cabbage, red wine, and purple cauliflower.
Are purple sweet potatoes healthier than regular sweet potatoes?
Purple sweet potatoes are healthier due to their highest overall level of phenolics, antioxidants and soluble dietary fiber. Purple sweet potatoes have a higher level of anthocyanin antioxidants than orange or white flesh sweet potatoes.
How do Hawaiian purple sweet potatoes grow?
To grow your own purple sweet potatoes, check out the following steps:1Choose a site. Sweet potatoes need at least six hours of full sun a day. ... 2Dig your planting holes. You can grow sweet potatoes once the danger of frost has passed and your soil temperature reaches above 50 degrees Fahrenheit. ... 3Plant. ... 4Water.How to Grow Purple Sweet Potatoes: Tips for DIY Potato Slips - 2022
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