Sphingolipid: cerebroside, ganglioside.
Lipoprotein: chylomicron, very low density lipoprotein, low density lipoprotein and high density lipoprotein.
Steroids: cholesterol, ergosterol, corticosteroids, cholic acid, vitamin D, androgen, estrogen and progesterone.
In nature, the most abundant is mixed triglyceride, which accounts for 98% of the fat in food and more than 28% in the body. All cells contain phospholipids, which are structures in cell membrane and blood, and are very high in brain, nerve and liver. Lecithin is one of the most abundant phospholipids in diet and body. Four kinds of lipoproteins are the main means to transport lipids in the blood.
Extended data
Fat source:
1, animal source: fats stored in animals: such as lard, butter, sheep oil, fish oil, bone marrow, fat meat, cod liver oil, etc. Fat in animal milk: such as cream.
2. Plant source: The source of plant fat is mainly extracted from the fruits of plants, such as sesame, sunflower seeds, tea, walnuts, pine nuts and soybeans.
High-fat food:
1, peanut
Peanut contains 25%~35% protein, mainly water-soluble protein and salt-soluble protein. Water-soluble protein, also called whey protein, accounts for about 10% of peanut protein, and salt-soluble protein accounts for 90% of peanut protein.
2. Pork
Pork has the lowest protein content and the highest fat content. The protein content of lean pork is very high, and it can contain as much as 29g protein and 6g fat per 100g. After stewing, the fat content of pork will be reduced.
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