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प्रश्न
Pickles have a long shelf life and do not get spoiled for months, why?
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उत्तर
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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संबंधित प्रश्न
Draw structure of BHT.
Write ‘four’ physical methods of preserving food materials
On the occasion of World Health Day, Dr. Satpal organized a ‘health camp’ for the poor farmers living in a nearby village. After check-up, he was shocked to see that most of the farmers suffered from cancer due to regular exposure to pesticides and many were diabetic. They distributed free medicines to them. Dr. Satpal immediately reported the matter to the
National Human Rights Commission (NHRC). On the suggestions of NHRC, the government decided to provide medical care, financial assistance, setting up of super-speciality hospitals for treatment and prevention of the deadly disease in the affected villages all over India.
(i) Write the values shown by
(a) Dr. Satpal
(b) NHRC
(ii) What type of analgesics are chiefly used for the relief of pains of terminal cancer ?
(iii) Give an example of artificial sweetener that could have been recommended to diabetic patients
Why do we require artificial sweetening agents?
Why is use of aspartame limited to cold foods and drinks?
What are artificial sweetening agents? Give two examples.
What problem arises in using alitame as artificial sweetener?
Write one example each of Artificial sweetener.
Write one example each of Antacids.
Which of the following chemicals can be added for sweetening of food items at cooking temperature and does not provide calories?
What is the difference between saccharin and saccharic acid?
Name two α-amino acids which form a dipeptide which is 100 times more sweet than cane sugar?
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 of the following is a naturally occurring antioxidant?
The artificial sweetener that has the highest sweetness value in comparison to cane sugar is ______.
