Introduction of foods and nutrition.

WEEK: 1

DATE……………….

Subject: Food and nutrition.

Topic: Introduction of foods and nutrition.

Content: (a) Definition of nutrition, Importance of human nutrition e.g. maintenance of good        health.

Sub-Topic 1: Definition of nutrition.

Nutrition is the study of nutrients in relation to their functions in the body. It also involves the study of the chemical and physical properties of the nutrients, their food sources, deficiency symptoms and their appropriate proportion in a balanced diet. Nutrition is the science that deals with the study of nutrients in relation to the functions of the body. Nutrition also is a science that studies what happens to food from the moment it is consumed and taken to various parts of the body where they undergo metabolism and excretion.

Anti nutrients are substances that prevent the effective utilization of the nutrients in the body.

Malnutrition is a diseased condition that results when the nutrients are not consumed in the correct proportion as required by the body.

Importance of human nutrition e.g. maintenance of good   health.

Foods play important roles in our lives. Good food enables human being to stay healthy, feel energetic and resist infections and diseases.

It helps to replace worn out tissues and promote growth particularly in children. Food is also important in regulating all the body processes and controlling the body temperature.

Adequate nutrition promotes the development of the brain cells which are responsible for our intellectual abilities. In children particularly, good nutrition promotes mental development. Food brings to the human body a variety of pleasures, traditions, associations as well as nourishment. Good food helps to maintain good health and vitality. Good nutrition plays an important role in the maintenance of good health. People who are well fed have more resistance to diseases than those who are poorly nourished.

Sub-Topic 2: Factors affecting foods and nutrition

Availability of food: When food is available, people have access to adequate food and nutrition but when food is short supply, food and nutrition will be affected adversely.

Availability income: When there is enough money, the quality of food and nutrition will improve, while inadequate income will cause low quality in the family diet which will affect the general health of the family members.

Foods in season: Different foods have their seasons when they are available in the year. When food in season, people can buy large amount of food bulk purchase at cheaper prices.

Ignorance: When people donot possess good and correct information about foods, the quality of food may be poor. Education knowledge of food value is an important factor that affects foods and nutrition. knowledge will make information available about the nutrients composition of foods and their importance to the body.

storage/ preservation facility available: when appropriate method of food preservation is used, spoilage and wastage of foods are prevented. Preserved foods can be stored for future use with the appropriate storage facilities.

Other factors include;

• Tradition and custom of the people
• Cooking methods
• Composition/ nutritional needs of the family.

Evaluation:

1. State three roles of food in the body.
2. What is the relationship between good health and food?
3. Define nutrition.
4. Define nutrients.

• What are anti nutrients

1. Define malnutrition.
2. Explain how ignorance can influence food and nutrition.
3. Explain how money can influence food and nutrition.

General evaluation:

Objective test:

1. Nutrition is …………………………….
2. The act of cooking food
3. The chemical substances in food
4. The study of various nutrients, in relation to their effect upon human

body.

1. The act of living well.

2. Which of these factors does not affect foods and nutrition?
   • Cooking methods
   • Chosen career
   • Storage facility
   • Education
3. Any substance eaten, digested and absorbed by the body is known as……………..

• • Food
  • Nutrient
  • Nutrition
  • Chemical substances

2. People who are well fed have more resistance to………
   • Disease
   • Wealth
   • Poverty
   • Wellness
3. Food brings to the human body a variety of ………… except
   • pleasures
   • traditions
   • nourishment.
   • Sickness`
4. Which of these factors does not affect foods and nutrition?
   2. Cooking methods
   3. Chosen career
   4. Storage facility
   5. Education
5. Foods in season make food and nutrition important by………
   2. Seasoning the foods
   3. Creating variety in the diet
   4. Reducing income
   5. Increasing income
6. Foods and nutrition in any country is controlled by a number of factors these factors except
   2. Tradition and custom of the people
   3. Cooking methods
   4. Composition/ nutritional needs of the family
   5. Good house.

Essay:

1. Define nutrition
2. State two importance of nutrition to man.
3. List four factors that affect good nutrition
4. State how the following affects human nutrition:
5. storage
6. Preservation

iii. Available income

Weekend assignment:

Read Evans food and nutrition for senior secondary school 1 by F.A. Bakare et al; (pages 1-5)

Pre- reading assignment:

Read about careers in food nutrition.

FOOD AND NUTRITION SS 1 SECOND TERM

SALES OF BANNED AND CONTAMINATED FOOD

Reference texts:

1. Evans food and nutrition for SS book 1 by F.A et al; evans brothers Nigeria limited.
2. Exam focus foods and nutrition for WASSCE and SSCE by J.O Olusanya et al.university press.