Sauerkraut and Pickles problems
- 1. Abnormal fermentation of cabbage may result in a cheese like odour caused by
Options- A. propionic acid
- B. butyric acid
- C. caprioc acid and Valeric acid
- D. all of these Discuss
Correct Answer: all of these
- 2. Too long a fermentation of sauerkraut may favour the growth of
Options- A. Lactobacillus lactis
- B. Lactobacillus brevis
- C. Bacillus subtilis
- D. none of these Discuss
Correct Answer: Lactobacillus brevis
- 3. The elimination of the scum of yeasts in the brine during the fermentation include
Options- A. agitation of the surface
- B. addition of the mustard oil
- C. addition of the sorbic acid
- D. all of these Discuss
Correct Answer: all of these
- 4. Gassy spoilage of green olives is usually caused by
Options- A. Enterobacter spp
- B. Bacillus spp
- C. Clostridium spp
- D. all of these Discuss
Correct Answer: all of these
- 5. Floaters or bloaters may result from
Options- A. hollow cucumbers
- B. gas being formed by yeasts
- C. hetero fermentative lactic acid bacteria
- D. all of these Discuss
Correct Answer: all of these
- 6. Slippery pickles occur due to
Options- A. growth of encapsulated bacteria
- B. broken scums of film yeasts on the surface of brine
- C. addition of high amount of salt
- D. both (a) and (b) Discuss
Correct Answer: both (a) and (b)
- 7. The growth of black-pigmented Bacillus nigrificans, a causative agent of black pickle is favoured by
Options- A. presence of carbohydrate like glucose
- B. low level of available nitrogen
- C. neutral or slightly alkaline brine
- D. all of the above Discuss
Correct Answer: all of the above
- 8. Blackening in pickles occurs due to
Options- A. the formation of hydrogen sulfide by bacteria
- B. growth of Pencillium
- C. both (a) and (b)
- D. none of the above Discuss
Correct Answer: the formation of hydrogen sulfide by bacteria
- 9. Cloudiness of brine of glass-packed olives may be caused by
Options- A. the lactics if fermentation of residual sugar resumes
- B. salt-tolerant bacteria
- C. film yeasts or moulds if air is available
- D. all of the above Discuss
Correct Answer: all of the above
- 10. Slimy or ropy kraut is caused by
Options- A. encapsulated varieties of Lactobacillus plantarum
- B. Lactobacillus lactis
- C. encapsulated varieties of Lactobacillus brevis
- D. none of the above Discuss
Correct Answer: encapsulated varieties of Lactobacillus plantarum
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