Food groups:Potatoes, cereals and derivatives

1. Food Groups

Food groups can be classificated according to:

Origin: Animal or vegetal

Organism functions: Energetic, structurals, regulatory…

Depending on their nutrient content: milk, meat and fish, vegetables…

Now, we will follow a sort out, depending on their nutrient content:

Milk and dairy products. Meat, fish, eggs and vegetables.

Patotoes, cereals and vegetables. **

Vegetables.

Fruits.

Fats, oils and nuts.

Sweets and sugar sweets.

2. Cereals and derivatives

2. Cereals and derivatives. Characteristics:

The main characteristics of cereals and their derivatives are:

This is the source of carbon hydrates more denser and the largest contributor.

Their carbohydrates content are between 65 – 75%, having 1 – 5% of fats and they have not practically anything of cholesterol.

They are rich in minerals: phosphorousm iron, potassium and calcium.

They are rich in group B vitamins. They haven´t got any type of C vitamin.

Grain products are big sources of fiber and vitamins.

Gluten is a protein which is abundant in cereals (except in corn). Be careful with that type of food for “celiac”:

2. Cereals and derivatives. Types:

There are different types of cereals:

Wheat derivatives: Bread (50% of carbohydrates)

Grain Bread: More quantity of vitamins and carbohydrates.

Biscuits: All of them are made with flour, fat and sugar.

Pasta

Rice: Is one of the most important cereals. It has almost an 80% of carbohydrates. Grain cereal contains more vitamins of groups E and B, and also fiber.

Corn: Is the third more important cereal, and it has got similar nutritive values than the others, but less quality in their proteins. Cealic are not tolerant for that food.

Other cereals: Sorghum, barley, millet…

3. The potatoe

3. Potatoe. Characteristics:

The most important characteristics of potatoes are:

Approximate carbohydrate content of 16%, mostly in the form of starch.

They have 2 – 3% of proteins with low quality.

They are rich in group C vitamins, and in a sorther portion of B1 vitamin.

They are rich in minerals: potassium, phosphorous and sulfur.

It is composed by water (77%).

Has got a good digestibility.

** Cooking potatoes to inhibit trypsin digestion difficult.

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