Nutritional Ingredients

What are non-fat solids? What is its health benefit?


Non-fat solids are substances found in food , containing many beneficial nutrients, But at the same time fat-free.

Among the most prominent examples of foods that contain non-fat solids; milk, which is used in the manufacture of ice cream. These materials are:

  • Lactose
  • Casein
  • Whey proteins
  • minerals

What are non-fat solids?

The phrase “non-fat solids” in milk refers to the dried powder which remains after removing all the water from the liquid milk, It is similar to the milk powder you buy in the supermarket and can be full-fat or skimmed.

Non-fat milk solids are often used to give a rich mouth feel to low-fat yogurt, milk and ice cream without adding any fat.

Non-greasy solids are added, For many dairy products, Where they appear in whole milk or sweetened skimmed milk, or skimmed milk powder, or milk powder, or condensed milk, or whole milk , Or dried or condensed whey.

You can see that phrase in the label that comes with a dried soup of vegetables and barley, where those substances give, Softly creamy texture for the finished soup, In the same way that you add a piece of cream at the end of cooking, in order to soften the food, And give it a delicious taste.

Percentage of non-fat solids in milk

Milk contains approximately 87 percent water, and 13% solids, the hard part of milk contains 9% nonfat solids, including fat-soluble vitamins A , D, E, and K.

The non-fat solids fraction consists of protein (primarily casein and lactalbumin), lactose carbohydrates and minerals (including calcium and phosphorus).

Types of milk and the percentage of non-fat solids

  • pasteurized milk, Contains at least 8.25 percent non-fat solids, It is produced by placing any of the following dairy products alone or together: generous or milk, Or partially skimmed milk or completely skim milk with the right bacteria.
  • Low-fat milk contains less than 30 percent non-fat solids.
  • Whole milk contains at least 36 percent nonfat solids.
  • Sour milk contains at least 8.25% non-fat solids.
  • evaporated milk, It is made by removing about 60 percent of the milk water. It contains at least 16.5 percent non-fat solids.
  • skim dry milk, It is made by removing water from pasteurized skim milk, The proportion of non-fat solids in it does not exceed 1.5 per cent.
  • ice cream – consists of a mixture of dairy ingredients such as milk and skim yogurt, and sweetener and seasoning ingredients, Such as fruits, nuts, chocolate chips, Ice cream contains 10% non-fat solids.

Health Benefits of Non-Fatty Solids

These solids visibly improve the structure of the food product

, which is evident in the ice cream texture, due to the protein in these solids.

Unlike the viscosity and rigidity of ice cream that uses non-greasy solids, There are a number of other benefits that can be obtained from these materials.

For example, the presence of citrate and phosphate ions between these substances, reduces the tendency of fat fusion, And make the product more moisture.


Disadvantages of excessive intake of non-fat solids

Excess lactose can lead

to problems due to excessive freezing of temperature or crystallization of lactose, leading to imbalance of texture.

Also, excess lactose in milk may lead to what is known as lactose sensitivity, which means that the body cannot digest milk sugar.

When lactose passes through the large intestine, without having undergone proper digestion, It may cause some side effects, As:

  • Gases
  • Abdominal pain
  • Feeling of flatulence

Some foods that contain non-fat solids:

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