Of chicken eggs can make a solution to increase shelf life of fruits

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2020-06-06 16:20:11

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Of chicken eggs can make a solution to increase shelf life of fruits

to increase the shelf life of fruits, you need to store them in the refrigerator

Today, mankind has many problems ranging from global warming to the intensity in 2020 pandemic coronavirus. At the moment they are trying to solve thousands of scientists around the world, but do not forget that we still have millions of smaller problems. For example, daily stores throw out boxes and boxes of slightly spoiled fruit, even if they are slightly blackened, their are few who will buy it. At the same time, stores, and farms daily throw away hundreds of eggs, although they could be used with advantage. Recently, American scientists figured out how the time to solve these two problems — they created the solution from the eggs, which can be coated fruit and to increase their shelf life.

How to increase the shelf life of fruits?

About the invention of researchers from the U.S. state of Texas said . The coating, which increases the shelf life of fruits on 70% consists of egg yolks and whites. Also part of the solution consists of cellulose fiber, curcumin and glycerin. Mix all these ingredients together with the 80-degree water, the researchers got the brown mixture in which to dip fruit. In the end they formed a thin protective film.

it looks like the researchers created a mixture of

Cellulose fiber is derived from wood and is made up of tiny particles up to 3 mm. Being in the mixture and coating the fruit, they prevent evaporation of moisture and not allow them to shrink. Source curcumin is a root of the turmeric plant is a substance necessary to kill bacteria that are on the surface. of Glycerine, in turn, is a non-toxic, viscous liquid with a sweet taste — it gives a mixture of elasticity.

Designed mixture consists of four components and is relatively inexpensive to manufacture

Eggs in a mixture is needed in order to dilute all these ingredients, as well as for repulsion of water. Besides, it is a natural product, so it's okay if bits of the coating gets into the human body. However, the researchers claim that applied to the fruit a solution can be easily washed off under running water from the tap.

Treatment

Creating the solution and cooled to room temperature, the researchers tested its effectiveness in vitro. They put a coating on bananas, avocados, strawberries and papaya, and then left them outdoors. They also monitor the condition of products that have not received a protective coating. In the end, it turned out that the raw fruit has rotted on the eighth day of the experiment. And processed foods retains the freshness even after a week of being outdoors.

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To increase the shelf life to a large extent contributed to the cellulose fiber and curcumin. Due to the small fiber, the products are slowly losing moisture, on the fifth day of the experiment from disappeared, only 35% of moisture, whereas ordinary fruit lost 60% moisture. Curcumin protected the products against bacteria, researchers have put on them E. coli and days later from him is not gone.

E. coli — a common cause of food poisoning

According to the authors of scientific work, they created a mixture not only increases the shelf life of products, but also finds use chicken eggs, which are usually emitted by farms because of the large abundance. According to statistics, in the United States annually produces 7 billion eggs, but 200 million of them end up in landfills. The new technology will allow humanity to begin to use at least one type of food.

a Leader in the production of chicken eggs is considered to be China — its share is 36% of the total world production

Sounds very cool — once scientists have solved two problems at once. But who will collect , which are thrown in a landfill? If such a solution will take advantage of the demand and will be used by the suppliers of fresh fruit, there is a risk that the creation of a compound to be used is not "written off" eggs. However, perhaps some company will arrange collection of excess eggs and will buy them from the farmers at a reduced cost.

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Currently, the researchers are continuing research and looking for chicken eggs alternative of vegetable origin. There are many vegans who refuse to eat all that produce animals if fruits will be processed chicken eggs, some people may abandon their use. Besides, many people are allergic to eggs, and a protective coating for fruits can harm their body.

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