Q. Which acid is found in carbonated non alcoholic beverages
- Propionic acid
- Acetic acid
- Citric acid
- Phosphoric acid
Answer: d
Carbonated drinks (phosphoric acid is used to produce the carbonation).
Q. Bixin is used as colorant in
- Chocolate
- Cola beverages
- Butter
- All of the above
Answer: c
After extraction, the bixin is used for coloring oil-based products like cheese, processed cheese, snacks, fats, oil, butter and margarine. These norbixin products are used in various food applications such as sausage casing, dairy products, snacks, confectionery and pastry.
Q. The chemically annato is
- Carotenoids
- Flavonoids
- Heme pigments
- None of the above
Answer: a
Annatto food colouring (E160b) has a long history of use in the food industry for the colouring of a wide range of food commodities. The principal colouring component of annatto is the oil-soluble diapo carotenoid bixin, which is the methyl ester of the dicarboxylic acid norbixin and soluble in aqueous alkali.
Q. Which is the sweetest sugar
- Sucrose
- Maltose
- Fructose
- Glucose
Answer: c)
Fructose is the sweetest naturally occurring sugar, estimated to be twice as sweet as sucrose. It is a simple sugar (monosaccharide) found in many foods and is one of the three most important blood sugars along with glucose and galactose.
Q. Sodium benzoate is effective against
- Bacteria
- Yeast and mould
- Fungi
- All of the above
Answer: c)
Sodium benzoate is used as a preservative because it preserves food by having anti-fungal properties, by protecting food from invasion of fungi that causes the food to spoil. It has the E number E21 and is most widely used in acidic foods such as salad dressings (vinegar), carbonated drinks (carbonic acid), jams and fruit juices (citric acid), pickles (vinegar), and condiments.
