Food Additives Quiz – 29

Q. Which of the following is a colorant allowed in food industry.

1. Coal tar
2. Bixin
3. Sunset yellow
4. All of the above

Answer:  C

Permitted  Synthetic Colour Standards. The permitted colours are Carmoisine/Azorubine (E 122), Ponceau 4R (E 124), Erythrosine (E 127), Allura Red (E 129), Tartrazine (E 102), Sunset yellow FCF (E110), Indigotine/Indigo Carmine (E132), Brilliant Blue FCF (E 133), and Fast Green FCF (E 143).

Q. MSG is obtained from

1. Wheat
2. Rice
3. Soya bean
4. All of the above

Answer: c)

MSG is the sodium salt of glutamate which is an amino acid made in the body. Glutamate is also a neurotransmitter in the nervous system. Glutamate is found naturally in some protein-containing foods like meat, peas, yeast extracts, soy sauce, mushrooms and cheese.

Q. Which of the following is used as bread improver.

1. Chlorine dioxide
2. KBrO₃
3. Chlorine
4. All of the above

Answer: b)

Potassium bromate, or simply called bromate, is an oxidiser used to strengthen dough and enhance its elasticity. This helps bake uniform and whitened bread.  However, if too much of the additive is used, or the bread is not baked long enough or at a high enough temperature, then a residual amount will remain.

Q. Calcium propionate is used as

1. Emulsifier
2. Acidulant
3. Preservative
4. Anti caking agents

Answer: c)

Calcium propionate is an organic salt that is used as a food additive. It helps preserve foods, mainly baked goods, by interfering with the growth and reproduction of microorganisms, such as molds, bacteria, and fungi.

Q. Adding surfactant in a sol enhances.

1. Stability
2. Foaming
3. Flavor
4. Aroma

Answer:  a)

The dynamics of surfactant adsorption is of great importance for practical applications such as in foaming, emulsifying or coating processes, where bubbles or drops are rapidly generated and need to be stabilized.

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