Skim Milk

What is the difference between a skimmed milk and trim milk?

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April 05, 2008 8:41AM

The average composition of cow's milk is 87.2% water, 3.7% milk

fat, 3.5% protein, 4.9% lactose, and 0.7% ash. This composition

varies from cow to cow and breed to breed. For example, Jersey cows

have an average of 85.6% water and 5.15% milk fat. These figures

also vary by the season of the year, the animal feed content, and

many other factors. The federal Food and Drug Administration (FDA)

establishes standards for different types of milk and milk

products. Some states use these standards, while others have their

own standards. Prior to 1998, the federal standards required that

fluid milk sold as whole milk must have no less than 3.25% milk

fat, low-fat milk must have 0.5-2.0% milk fat, and skim milk must

have less than 0.5% milk fat. Starting in 1998, the FDA required

that milk with 2% milk fat must be labeled as "reduced-fat" because

it did not meet the new definition of low-fat products as having

less than 3 grams of fat per serving. Milk with 1% milk fat could

still be labeled as "low-fat" because it did meet the definition.

As a comparison, light cream has no less than 18% milk fat, and

heavy cream has no less than 36% milk fat. Hope this helps 100ml of

fresh milk provides:

* 64kcal

* 3.5g fat

* 124mg calcium

Low-fat milk

Low-fat milk contains half the fat of whole milk. It is popular

with people who are watching their weight or who are trying to

reduce their fat intakes. Low-fat milk is not suitable for children

under two years.

Low-fat milk is sometimes fortified with vitamins and minerals

because reducing the fat content in milk also reduces the levels of

vitamin A and D. These vitamins and others such as B vitamins are

added back in. Different dairies add different vitamins at varying

levels so it is important to read the labels on milk cartons so you

know what you are buying.

100mls of low-fat milk will provide:

* 49kcal

* 1.6g fat

* 124mg calcium

Low-fat milks with added vitamins have a unique composition

compared to ordinary low- fat milk.

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