Food – Our Fuel: Different Components of Food, Wheat Germ and Junk Food

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Why is Food Called Our Fuel?

The food you eat contains substances called nutrients that provide the energy (fuel) for your body to make new cells, heal, fight illness, grow, play and work. Just like a car, your body needs fuel to work properly.

Based on these components food can be divided into:

  • Energy giving food: Carbohydrates, fats

  • Body building food: Protein

  • Protective food: vitamins and minerals

Different Components of Food

Major Nutrients of Food

Major Nutrients of Food

Components of food that provide nutrition to our body and help us stay healthy are called nutrients.

Carbohydrate

  • Carbohydrates are nutrients that give our body energy.

  • Our body uses energy to work ,play and perform all our everyday activities.

  • Food rich in carbohydrates is called energy giving food.

Food items Carbohydrates

Food Items Carbohydrates

Fats

  • Guard our beautiful soft skin.

  • Help to absorb many vitamins.

  • Keep our body warm.

Food in High Fat

Food in High Fat

Food in Low Fat

Food in Low Fat

Proteins

Proteins keep our body strong. They help our body repair and protect our bones, muscles and other body parts.

Animal Proteins and Plant Proteins
Animal Proteins and Plant Proteins

Animal Proteins

Plant Proteins

Animal food sources are richer in proteins compare to plant sources. Animal sources provide all the proteins a human body needs.

Plant based sources contain less fats and proteins as compared to animal sources.

In many countries around the world ,especially in colder regions , meat is more easily available than plants . The protein and fats in animal sources helps humans stay strong , healthy and warm in the cold.

There are a few plant sources such as soy and quinoa that can provide all the proteins a human needs.

Examples Dairy product, egg meat of animals

examples: lentils, such as chickpeas, cashew nuts, almonds, pistachios

Protective Foods

Protective Foods

Vitamin A

  • Helps us have good eyesight and skin.

  • Found in carrots, oranges, sweet potatoes, spinach, milk, cheese and butter.

Vitamin B

  • Helps us have more energy, aids growth and is good for the brain and nerves.

  • Found in cereals, green vegetables, garlic, onions, dairy ,eggs and meat.

Vitamin C

  • Helps us fight diseases , heal wounds , helps our bones and gums get stronger.

  • Found in oranges, mangoes, melons, berries, tomatoes, capsicums.

Vitamin D

  • Helps us have healthy bones and teeth.

  • Found in egg yolk, animal liver, mushrooms. Our skin can make Vitamin D when exposed to the sun.

Vitamin E

  • Helps us have healthy skin , hair ,muscles and other organs in the body.

  • Found in nuts, seeds, avocados, spinach, wheat germ, vegetable oils.

Vitamin K

  • Helps us heal wounds and have healthy heart and bones.

  • Found in spinach, green leafy vegetables, yogurt ,milk , cabbages and cauliflowers.

Iron

  • Helps us have healthy blood.

  • Found in meat, red beans, spinach, dry fruits (dates, raisins), drumsticks.

Calcium

  • Helps us have healthy and strong bones and teeth.

  • Found in milk and dairy products, coconuts, spinach, fish, almonds, peas.

Roughage

Roughage and Fibre

Roughage and Fibre

  • The portion of our food that do not provide any nutrient to the body but help in maintaining a healthy digestive system is called roughage or dietary fibre.

  • It is the fibre (cellulose) present in the food.

  • Roughage it is necessary for the proper digestion of food.

  • It prevents constipation and ensure proper bowel movement.

  • Lack of fibre in the diet causes the stool to become hard and difficult to pass out. This condition is called constipation.

  • It helps to move the undigested food out of the body.

  • Corn, cabbage, cauliflower, leafy vegetables, fruits, whole grains(seeds with coat) are some good sources of roughage.

Fibre

  • Sources: Oats Whole grains and cereals Fruits especially apples (with the skin) oranges and bananas Vegetables especially green peas, broccoli and spinach

  • Problems: stomach aches and constipation(difficulty passing stool)with a poor appetite and a weak body.

Junk Food

  • Food that contains high levels of sugar or oil and very small amount of fibre, protein, vitamins or minerals is usually called junk food.

  • Balance diet : A diet which contains all the important nutrients in the right amount is called a balance diet

Types of Junk Food

Types of Junk Food

Level of Junk Food

Level of Junk Food

How Do My Food Habits Affect My Body?

There are several safety precautions we should observe while handling food

  • Washing our hands before handling food.

  • Buying and using only fresh food.

  • Cleaning the food well before eating or cooking.

  • Storing the raw or cooked food properly.

  • Regularly cleaning the kitchen (including utensils and kitchen appliances) to ensure the area is free of dust, germs and pest such as cockroaches and rats

Why We Store Food in the Refrigerator?

  • The food that we eat is not only nutritious to us, but it is also nutritious to several germs that grow on it. The germs carried by unclean and unsafe food cause illness such as stomach aches, vomiting and diarrhoea (a condition where we suffer from loose, watery stools)

  • Food gets spoilt when germs grow on it. Storing food properly save it from getting spoilt by germs and being wasted.

  • Most germs prefer to grow in a warm environment. Storing food in a cold place (such as the refrigerator or freezer) can slow down or even prevent the growth of germs.

Why We Should Clean Our Fruits and Vegetables with Vinegar?

Cleaning fruits and vegetables is important because it rids the produce of unwanted bacteria or chemicals. Simply rinsing everything in water quickly won’t completely remove everything, so it’s important to use vinegar.

Many Peoples and Animals Across the World Go Hungry Every Day. Why?

One third of all the food produced in the world goes to waste.

Some of the reasons for food being wasted include:

  • Bad weather conditions or insects that affect crops

  • Improper storage and packing of food

  • Cooking excessive quantities of food

The knowledge of food ,nutrition and safety is important to our health. There are many people who use this knowledge to do their daily job

Nutritionists

Nutritionists plan and design nutritious meals for people according to their needs. They usually work in hospitals or clinics.

Food Safety Analyst

Food safety analysts check food for the presence of harmful substances and make sure that it is safe to eat. They also make sure that the food we buy in packages follow the rules for food safety.

Food Safety Analyst

Food Safety Analyst

Pet Nutritionist

Pet nutritionists study the diets of pet animals. They help pet owners feed their pets with healthy food. They work with pet food companies or at veterinary hospital.

Pet Nutritionist

Pet Nutritionist

How Do My Food Habits Affect My Body?

There are several safety precautions we should observe while handling food:

  • Washing our hands before handling food.

  • Buying and using only fresh food.

  • Cleaning the food well before eating or cooking.

  • Storing the raw or cooked food properly.

  • Regularly cleaning the kitchen(including utensils and kitchen appliances)to ensure the area is free of dust, germs and pest such as cockroaches and rats.

How do my food habits affect my body?

How Do My Food Habits Affect My Body?

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