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Question
Pickles have a long shelf life and do not get spoiled for months, why?
Solution
Table salt, sugar vegetable oils and sodium benzoate, etc. are used as preservatives. These do not allow moisture and air to enter the material and hence, bacteria cannot thrive on them. Therefore, pickles do not get spoiled for months.
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Which one of the following is a food preservative?
Equanil, Morphine, Sodium benzoate
Seeing the growing cases of diabetes and depression among young children, Mr Lugani, the principal of one reputed school, organised a seminar in which he invites parents and principals. They all resolved this issue by strictly banning junk food in schools and introducing healthy snacks and drinks like soup, lassi, milk etc. in school canteens. They also decided to make compulsory half an hour of daily physical activities for the students in the health survey in most of the school and discovered a tremendous improvement in the health of the students
After reading the above passage, answer the following questions:
(i) What are the values (at least two) displayed by Mr Lugani?
(ii) As a student, how can you spread awareness about this issue?
(iii) What are antidepressant drugs? Give an example.
(iv) Name the sweetening agent used in the preparation of sweets for a diabetic patient.
Why do we require artificial sweetening agents?
What problem arises in using alitame as artificial sweetener?
Write one example each of Artificial sweetener.
Why the use of alitame as an artificial sweetener is not recommended?
Which of the following chemicals can be added for sweetening of food items at cooking temperature and does not provide calories?
Assertion: All chemicals added to food items are called food preservatives.
Reason: All these chemicals increase the nutritive value of the food.
Assertion: Artificial sweeteners are added to the food to control the intake of calories.
Reason: Most of the artificial sweeteners are inert and do not metabolise in the body.
Which synthetic sweetener is 100 times sweeter than cane sugar?
