The danger of canola oil is that it may cause fatty deposits in the heart muscle and damage the heart, patients with coronary heart disease and high blood pressure should still pay attention to eat less.

Canola oil is low in saturated fat, which is healthier than animal fats. But ordinary canola oil contains erucic acid. Animal experiments show that erucic acid is harmful to the heart. In addition, isothiocyanate, a breakdown product of thioglycosides, can interfere with thyroxine synthesis and cause goiter. Nitrile can also cause enlargement of the liver and kidneys in animals, and in severe cases can cause hepatic hemorrhage and hepatic necrosis.

Extended information:

Canola oil is a staple of many countries, with a 64% market share of consumption in Canada. Canola oil is the main edible oil in many countries, with a market share as high as 64% in Canada, 47% in Japan, and 35% in Australia, all of which are ranked first in terms of market share. According to the United States Department of Agriculture (USDA), canola oil is the third largest edible oil in the world, accounting for about 15% of global edible oil consumption, after palm oil and soybean oil.

The major producing countries of Canola are Australia, Canada, China, India and Europe. Canola oil is widely grown because it creates a high yield ratio. In Canada, about 95% of canola is genetically modified. In Europe, the cultivation of GM mustard is banned but a few GM mustard flowers are allowed to be used for processed food.

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