Q. Which one is used to stabilize an emulsion
a.emulsifier
b. thickener
c. preservative
d. acidulant
Answer: a
A food additive, which forms or maintains a uniform emulsion of two or more phases in a food.
Q. Ethylene and propylene oxide are used in
a. Sterilization of packaging material
b. Preservation of jam fruits and vegetables
c. Acceleration of ripening of fruits and vegetables
d. Wine making
Answer: a
Sterilization is accomplished with a combination of hydrogen peroxide and heat.
Q. Which acid is used in non fruit beverages
a. Citric acid
b. Phosphoric acid
c. Formic acid
d. Nitric acid
Answer: a
The most common acidulants in soft drinks are citric acid and phosphoric acid.
Q. Which of the following preservative would you prefer to prevent rope formation in bread
a. Calcium alginate
b. Calcium propionate
c. Calcium pectate
d. Calcium acetate
Answer: b
Calcium propionate is the ideal preservative for bread and rolls because it has little effect on yeast and does not interfere with its fermentation.
Q. Monosodium glutamate is used as
a. Artificial sweetener
b. Anticaking agent
c. Flavour enhancer
d.Cleaning agent
Answer: c
The most commonly used flavor enhancers are the sodium salt of glutamic acid, monosodium glutamate (MSG), and the nucleotides disodium-5′-inosinate and disodium-5′-guanylate.
