M iss T AH E R S H AB B IR H U S S AIN of class XII – B ______ in the _ CH E Chemistry Project on STUDY OF ADULTERANTS IN FOOD I. CHEMISTRY PROJECT Submitted For Exam AISSCE TOPIC OF THE PROJECT FOOD ADULTERATION Department Of Chemistry. (chemistry project- ‘to study adulterants on food’). Date of Submission: (i). NAME- AZIZUR RAHMAN. CLASS- `12th ‘B’. ROLL No- Admn. No-.

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Mustard seeds and mustard oil: It gives most negative test, hence is not adulterated. Class 12 Computer Documents. According to the authors of the paper, food fraud may be more risky than traditional threats to the food supply because the adulterants used claws these activities often are unconventional and designed to avoid detection through routine analyses.

Notice will be issued by the Inspector in writing then and there to the seller indicating his intention. Injectable dyes in watermelon, peas, capsicum, brinjal, papaya seeds in black pepper etc. Insignifcant portions of China’s milk supply were adultwration to have been contaminated with melamine.

Appearance of pink or red colour indicates presence of dye in fat.

It gives more positive test, hence is more adulterated. In t he aduoteration few decades, adulterat ion of food has become one of t he serious problems.

One is familiar with the famous saying of one of the past prime ministers of India describing corruption as universal and not confned to India. There does not appear to be any lasting solution to this vexed problem. Adulteration in the food material can be detected in the following ways. Here adulterant is Argemone seeds used to add bulk and weight. Water in milk sample: H2SO4acet ic acid, conc.


Water flters Proper selection, operation, care, and maintenance of water flters are essential to producing safe water. Here adulterant is Tamarind seeds, projevt powder used to add bulk and colour. Filt er t he pow der solut ion and add 2 drops of KI solut ion t o t he filt rat e. The bright colours used to attract children often contained lead, copper or mercury salts. The Chemistry Investigatory Project Adulteration in food stuff class 12 cbse An easy example of food adulteration is vanaspati ghee in desi ghee.

Taher Shabbir Hussain Class: Bibliography 15 5 Page Downloaded from cbseportal.

Chemistry Project For class 12 cbse on Food Adulteration

adhlteration Beverages, such as tea and cofee, made with boiled water. It’s harmful efect is that it is unhygienic, unprocessed water and starch can cause stomach disorders.

The answer is that the deliberate contamination of food material with low quality, cheap and non-edible or toxic substances is called food adulteration. Add 5ml of water and a few drops of dil. Enter the email address you signed up with and we’ll email you a reset link.

Adult erat ion of brick Add small am ount of given Brick pow der set t les pow der in chilli chemistru chilli pow der in a beaker at t he bot t om w hile pow der cont aining w at er.

Procedure for Sampling and Analysis: Metanil yellow in Dal: It is equally adultegation for the consumer to know t he common adulterants and their effect on healt h. Where water might be contaminated, one is advised that ice should also be considered contaminated and should not be used in beverages.

Chemistry Project For class 12 cbse on Food Adulteration

Experiment 1 10 V. Agremone oil in edible oil: To differentiate t hose w ho take advantage of legal projecf from the ones who commit food adulteration is very difficult.


It’s harmful efect is that Papaya seeds can cause serious liver problems and stomach disorders. Even the food, which we eat, is adulterated.

Any food Inspector can enter and inspect any place where any article of food is manufactured or stored for sale or stored for the manufacture of any other article of food for sale or exposed or exhibited for sale or where any adulterant is manufactured or kept and take samples of such article of food or adulterant for analysis.

Butter is made more yellow by anatta. Types of Food Adulteration In India, the most common type of food adulterations is of following types: Starch greatly reduces the nutritional value of the ingredient. This gum is obtained by boiling animal parts like tail,the nose,the udder etc.

It gives positive test to small extant hence is least adulterated.

Consumption of xdulteration food causes serious diseases like cancer, diarrhoea, clsss hma, ulcers, etc. Appearance of magenta colour shows t he presence of yellow oxides of lead in turmeric powder. Many of these appear to be innocuous, but there is danger that the continued use of food preserved by these agents may be injurious.

First we had some unscrupulous dairy farmers in western Uttar Pradesh inventing synthetic milk – a deadly cocktail of urea, caustic soda and vegetable oil. It gives positive test, hence is adulterated.