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Exploring the Diversity of Nutrients in Food Through Identification Tests
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- Test to see if the food contains carbohydrates: If the colour of (Food + Dilute Iodine solution) changes to blue black then it indicates that the tested food has Starch or Carbohydrates.
- Test to see if the food contains Protein in fats: Take a food item and crush it, if an oily patch is found in the crushed food, then it indicates food has fats.
- Test to see if the food contains Protein in food: If the colour of (food item + solution of copper sulphate + caustic soda) changes to violet , then It indicates tested food has Protein.
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Need of Nutrients in food: Exploring Nutrient Sources for Energy, Growth, and Defense Against Disease
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- Sources of Energy: Carbohydrates and fats mainly provide energy to us.
- Carbohydrate Source: Carbohydrates and fats mainly provide nutrients in food. Carbohydrate sources include Sweet Potato, Potato, Sugarcane, Papaya, Melon, Mango, Maize, Bajra, Rice, and Wheat.
- Higher Energy: Fat has much more energy than carbohydrates. We get fats from both plants and animals.
- Sources of Fat: Plant sources of fats are Sunflower Oil, Groundnut Oil, Mustard Oil, Coconut Oil, Soybean Oil and the animal sources are Meat, Fish, Eggs, Ghee, Butter and Cream.
- Energy Food: Foods containing fats and carbohydrates are generally called ‘energy giving foods’.
- Growth and Repair: Proteins, essential nutrients in food, are needed for the growth and repair of our body. These foods are called body building foods.
- Sources: Some sources are Peas, Gram, Moong, Soybeans, Tur Dal, Beans, Meat, Fish, Paneer and Eggs.
- Defence against Disease: Vitamins help in protecting our body against diseases. Vitamins also help in keeping our eyes, bones, teeth and gums healthy.
- Different Types: Vitamins are of different kinds known by different names.
- Some of these are Vitamin A, Vitamin C, Vitamin D, Vitamin E and K.
- There is also a group of vitamins called Vitamin B-complex.
- Our body needs all types of vitamins in small quantities.
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Balancing Act: Navigating the Essentials of a Healthy Diet for Optimal Well-being
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- Requirement: For the growth and maintenance of good health, our diet should have all the nutrients that our body needs, in the right quantity, not too much of one nor too little of other.
- Balance diet = Roughage + water + right quantities of all nutrients
- Excess Fat: Too much fat leads to obesity.
- Understanding the Impact of Nutrient Deficiency Diseases on Health
- Nutrient Deficiency: Diseases that occur due to lack of nutrients over a long period are called deficiency disease.
- Example: Lack of protein leads to Stunted growth, swelling face, discoloration of hairs, skin disease, etc.
- Prolonged Deficiency: If an individual experiences a prolonged lack of both carbohydrates and proteins in their diet, it can lead to a complete halt in growth.
- Results: This can result in significant emaciation, extreme thinness, and such a severe weakness that mobility may be greatly impaired.
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