Nutrition: Rape could replace Soja as best vegetable protein source.

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Humans need proteins for a balanced and healthy diet. “Among other things, these contain essential amino acids that the human body cannot produce itself,” explains Prof. Dr. Gabriele Stangl from the Institute of Agricultural and Nutritional Sciences at the Martin Luther University Halle-Wittenberg (MLU) in a press release.

In the future, rapeseed could replace soya as the best vegetable protein source for humans. This is suggested by the results of a new study. The researchers found that rapeseed is equivalent to soya and in some cases even better. Another advantage is that the proteins can be obtained from the remains of rapeseed oil production.

Although animal foods such as meat or eggs are considered particularly good sources of protein, more and more people are following a vegetarian or vegan diet and are therefore dependent on plant protein. Above all, products made from soya are popular here. But researchers now report on a new vegetable protein source for humans: Rape.

Rapeseed instead of soya: New protein source for humans

Meat and fish in particular are rich in high-quality proteins, but there are also some good vegetable protein suppliers. “Soja is generally considered as gold standard for vegetable protein sources, since it has a particularly favorable composition of amino acids, says Stangl.

A research team led by Stangl wanted to find out whether rapeseed could be an alternative protein source to soya. It is known that canola proteins also have an extremely favorable composition of amino acids. In addition rapeseed holds natural accompanying substances, which could have an effect on the health, says the Ernährungsforscherin.

Alternative protein source to soya

“So far, however, this has not been sufficiently investigated for humans,” the scientist said. Rape has several advantages over Soja: In Germany clearly more rape than Soja is cultivated and the raw materials for the production of rape protein result anyway with the production of rape oil. So far these are however only processed as animal fodder.

In a small study with 20 participants the nourishing scientists examined, which direct effect rapeseed and Sojaproteine on the metabolism of humans have.

“One advantage of our study is that we obtain information about the immediate reaction of the body on the basis of the blood samples. Thus we receive much more exact knowledge about the metabolic response of the body than from studies, which accomplish only unique measurements, describe Stangl.

For this the test persons had to lead first a nourishing minutes and take then on three days in each case a special meal: a plate of noodles with tomato sauce, either purely or enriched with Soja or rapeseed proteins. After the meal, blood was taken regularly from the participants over a period of six hours.

The study, which was published in the journal “Nutrients”, shows: “The canola protein achieved at least as good results as soya in all measured parameters. The insulin response of the body was even slightly more advantageous with rapeseed”, explains first author Christin Volk from MLU.

The only drop of bitterness: “Soya is more neutral in taste than rapeseed, which in turn has a very slight mustard note,” says Volk. That’s why rapeseed is particularly suitable for the production of savory foods and would probably not be considered for desserts, the scientist says. (ad)

A further advantage: the test persons were fuller after eating the canola protein for longer than with both other meals. “Thus rapeseed is basically a very good alternative to soy for human nutrition,” said Volk.

WashingtonNewsday Health and Wellness.

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