Search for notes by fellow students, in your own course and all over the country.
Browse our notes for titles which look like what you need, you can preview any of the notes via a sample of the contents. After you're happy these are the notes you're after simply pop them into your shopping cart.
Title: ADULTERATION IN FOOD STUFS
Description: ITS A PROJECT ON ADULTERATION IN FOOD STUFFS EXAMPLE GHEE MILK CHILLY ETC
Description: ITS A PROJECT ON ADULTERATION IN FOOD STUFFS EXAMPLE GHEE MILK CHILLY ETC
Document Preview
Extracts from the notes are below, to see the PDF you'll receive please use the links above
om
E
...
c
om
Chemistry Project on STUDY OF ADULTERANTS IN FOOD
2|P a ge
Chemistry Project on STUDY OF ADULTERANTS IN FOOD
Certified to be the bonafide work done by
Mr
...
G
...
in __
CHEMISTRY ___
INDIAN PUBLIC SCHOOL
BS
E
...
_ at INDIAN PUBLIC SCHOOL
Examiner
Date _______________
Seal
3|P a ge
Chemistry Project on STUDY OF ADULTERANTS IN FOOD
I would like to express my sincere gratitude to my chemistry mentor
Mrs
...
I would also like to
express my gratitude to the lab assistant Mrs
...
c
the making of this project
...
6
8
9
10
11
12
13
14
15
BS
E
...
No
...
II
...
IV
...
VI
...
VIII
...
5|P a ge
Chemistry Project on STUDY OF ADULTERANTS IN FOOD
iC
BS
E
...
6|P a ge
iC
BS
E
...
om
Normally the contamination/adulteration in food is done either for financial
gain or due to carelessness and lack in proper hygienic condition of processing,
storing, transportation and marketing
...
c
consumer is either cheated or often become victim of diseases
...
It is equally important for the consumer to know the common adulterants and
iC
BS
their effect on health
...
To differentiate those who take advantage of legal rules from the ones who
commit food adulteration is very difficult
...
Ignorance and unfair market behavior may endanger
consumer health and misleading can lead to poisoning
...
BS
E
...
Consumption of adulterated food causes serious diseases
like cancer, diarrhoea, asthma, ulcers, etc
...
Red chilli powder is mixed with brick
powder and pepper is mixed with dried papaya seeds
...
Several agencies have been set up by the Government of India to
remove adulterants from food stuffs
...
this organization
certifies food products for their quality
...
9|P a ge
Chemistry Project on STUDY OF ADULTERANTS IN FOOD
To detect the presence of adulterants in fat, oil and butter
...
H2SO4, acetic acid, conc
...
PROCEDURE
Common adulterants present in ghee and oil are paraffin wax,
hydrocarbons, dyes and argemone oil
...
c
BS
(ii)
Adulteration of paraffin wax and hydrocarbon in vegetable ghee
Heat small amount of vegetable ghee with acetic anhydride
...
Adulteration of dyes in fat
Heat 1mL of fat with a mixture of 1mL of conc
...
Appearance of pink or red colour indicates
presence of dye in fat
...
HNO3
and shake
...
iC
(i)
10 | P a g e
Chemistry Project on STUDY OF ADULTERANTS IN FOOD
To detect the presence of adulterants in sugar
REQUIREMENTS
om
Test-tubes, dil
...
PROCEDURE
Sugar is usually contaminated with washing soda and other insoluble
substances which are detected as follows :
E
...
Pure sugar dissolves in water but insoluble impurities do not
dissolve
...
HCl
...
iC
(i)
11 | P a g e
Chemistry Project on STUDY OF ADULTERANTS IN FOOD
To detect the presence of adulterants in samples of chilli powder,
turmeric powder and pepper
REQUIREMENTS
om
Test-tubes, conc
...
HNO3, KI solution
PROCEDURE
(iii)
(iv)
BS
(ii)
Adulteration of red lead salts in chilli powder
To a sample of chilli powder, add dil
...
Filter the solution and
add 2 drops of potassium iodide solution to the filtrate
...
indicates the presence of lead salts in chilli powder
...
HCl
...
Adulteration of brick powder in red chilli powder
Add small amount of given red chilli powder in beaker containing
water
...
Adulteration of dried papaya seeds in pepper
Add small amount of sample of pepper to a beaker containing water
and stir with a glass rod
...
iC
(i)
E
...
They are detected as follows :
12 | P a g e
Chemistry Project on STUDY OF ADULTERANTS IN FOOD
2
...
Adulteration of
argemone oil in edible
oils
Adulteration of
various insoluble
substances in sugar
6
...
8
...
BS
5
...
Appearance of pink
colour
...
Adulteration of chalk To small amount of sugar in a
No brisk
powder, washing soda test tube, add a few drops of
effervescence
in sugar
dil
...
observed
...
HCl
...
lead salts in chilli
add dil
...
Filter the
powder
solution and add 2 drops of
KI solution to the filtrate
...
pure chilli powder
floats over water
...
pure pepper settles
at the bottom
...
PROCEDURE
Heat small amount of
vegetable ghee with acetic
anhydride
...
Heat 1mL of fat with a
mixture of 1mL of conc
...
To small amount of oil in a
test tube, add few drops of
conc
...
Take small amount of sugar
in a test tube and shake it
with little water
...
c
EXPT
...
1
...
It is not
possible to ensure wholesome food only on visual examination when the toxic
om
contaminants are present in ppm level
...
Therefore, due care taken by the consumer at the time of
E
...
Secondly,
label declaration on packed food is very important for knowing the ingredients
and nutritional value
...
The consumer should avoid taking food from an
unhygienic place and food being prepared under unhygienic conditions
...
Consumption of cut fruits being sold
iC
in unhygienic conditions should be avoided
...
14 | P a g e
Chemistry Project on STUDY OF ADULTERANTS IN FOOD
E
...
wikipedia
...
answers
...
Title: ADULTERATION IN FOOD STUFS
Description: ITS A PROJECT ON ADULTERATION IN FOOD STUFFS EXAMPLE GHEE MILK CHILLY ETC
Description: ITS A PROJECT ON ADULTERATION IN FOOD STUFFS EXAMPLE GHEE MILK CHILLY ETC