Which of the following comes under the category of high-acid foods?

Correct option is D

Correct Answer: (d) Pickles
Explanation:
→ High-acid foods have a pH below 4.6, which inhibits growth of Clostridium botulinum.
→ Pickles contain high acidity due to vinegar/lactic acid fermentation, placing them in the high-acid category.
→ Fish products, soups and milk have much higher pH and are low-acid foods.
Information Booster:
→ High-acid foods require milder heat processing because microorganisms are suppressed by acidity.
Additional Information (Other Options):
(a), (b), (c): All fall under low-acid or medium-acid foods.