This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Poisoning, Subject name: Anatomy
Rectified spirit cannot be used as a preservative in all except 
Select and explain. 
A. Kerosene, B. Plant alkaloids, C. Alcohol, D. Phosphorus
B: Plant alkaloids
Answer: B: Plant alkaloids 
Explanation: Rectified spirit cannot be used as a preservative in the following poisoning cases: kerosene Alcohol Phenol Phosphorus Paraldehyde Acetic acid Ref: FORENSIC MEDICINE AND TOXICOLOGY Dr PC IGNATIUS THIRD EDITION PAGE 404