Do trans fats remain in the body permanently?

Nov 09, 2024 Source: Cainiu Health

Dr. Yang Ziqi

Introduction

Under normal circumstances, trans fats do not remain permanently in the body. After trans fats are ingested, they are broken down by digestive enzymes into glycerol and fatty acids. The mucosa of the small intestine absorbs these components and re-synthesizes them into triglycerides, which combine with apolipoproteins to form chylomicrons. These chylomicrons enter the bloodstream via the lymphatic system and are subsequently metabolized by various organs throughout the body and then excreted.

Under normal circumstances, trans fats do not remain permanently in the body. A detailed analysis is as follows:

Trans fat is a type of unsaturated fatty acid. Common foods containing trans fats include chocolate, margarine, shortening, and salad oils. After trans fats are ingested by the body, they are broken down by digestive enzymes into glycerol and fatty acids. These components are then absorbed by the intestinal mucosa, re-synthesized into triglycerides, and combined with apolipoproteins to form chylomicrons, which enter the bloodstream via the lymphatic system. Subsequently, they are metabolized by various organs throughout the body and then excreted.

It should be noted that trans fats are metabolized more slowly than regular fats, so they may accumulate in the body for a certain period of time. When excessive amounts of trans fatty acids accumulate in the body, they may increase the risk of cardiovascular diseases such as atherosclerosis, hypertension, and arrhythmia.

Although trans fats do not remain permanently in the body, their long-term accumulation can have negative effects on health. Therefore, it is important to control the intake of this substance in daily life.

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