Traditional Culture Encyclopedia - Hotel franchise - How to preserve yacon?

How to preserve yacon?

Cover the cut yacon with plastic wrap. It is best to drive away excess air and prevent yacon from being refrigerated in the refrigerator, which can not only isolate some oxygen, but also reduce the temperature and inhibit browning reaction. The main purpose of soaking cut yacon with clear water is to isolate oxygen, slow down the oxidation process and prevent yacon from turning black.

According to the data of the International Potato Center, yacon is rich in fructooligosaccharides, tastes sweet, and there is no enzyme in the human body to hydrolyze this carbohydrate, so it is difficult to be absorbed by people and can be eaten by diabetics. Yacon is rich in more than 20 kinds of amino acids, vitamins and minerals, especially oligosaccharides, which can promote the growth of beneficial microorganisms.

Yacon will slowly oxidize after peeling and cutting. This oxidation process takes about ten minutes. Soak the yacon in clean cold water as soon as possible after cutting or peeling it. The oxygen concentration in water is low and the oxidation rate slows down. At the same time, tannic acid generated by oxidation will be dissolved in water, which can prevent yacon from turning black.

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