12. How will you show your
appreciation for all the efforts
of scientists who continuously
improve our products more
effectively?
VALUING
Editor's Notes
Which of these chemical substances are you familiar with?
Do you know that some of them are useful to living things?
Brainstorm the word “harmful” and “useful”.
Let the pupils think of a word synonym to the given word.
Write it on the board.
Food provides us with energy, and energy is derived from nutrients.
Nutrients are substances found in food.
Carbohydrates(bread, chocolate, candy, rice, biscuit)
Proteins(meat, fish, beans)
Fats(dairy products, cake, ice cream)
Vitamins & minerals(fruits & vegetables)
Many food additives have no nutritional value and could sometimes affect your body in undesirable ways.
But in a good part(read the meaning)
Color is added to food to enhance its visual appearance making it more attractive to eat.
Natural color additives(atsuete(annatto)-bright orange-red color, chlorophyll for green)
Synthetic color additives(chemicals, like gelatins & sodas)(cause asthma, migraine,thyroid cancer)
Flavor enhancers(vetsin or monosodium glutamate)
Emulsifiers & stabilizers(food additives that maintain consistency of texture, like margarine, salad dressings, mayonnaise-potential to damage intestinal barrier, risk in chronic disease)
Thickeners(help increase the viscosity or thickness of substance used to make food-like gelatin,pectin-cause constipation)
Sweeteners(give sweet taste to any food substance-cause weight gain, high blood pressure, heart disease)
What happens when someone is sick at home? Perhaps u will visit your doctor.
Doctor recommend to take a prescribed medicines.
It has a higher amount of dosage(refers to amount of chemical found in medicine-amount of dosage depends on his/her age)
Examples
