This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Bacteriology, Subject name: Microbiology
Following clostridia are saccharolytic except 
Select and explain. 
A. Welchii, B. Sporogenes, C. Septicum, D. Oedematiens
B: Sporogenes
Answer: B: Sporogenes 
Explanation: When grown in Robeson cooked meat broth, saccharolytic species turn meat pink and proteolytic species produce black and produce foul and pervasive odours. Clostridium welchii, Clostridium septicum and Clostridium oedematiens are predominantly saccharolytic. Clostridium sporogenes is predominantly proteolytic. Reference: Textbook of Microbiology; Anathanarayan and paniker's; 10th edition; Page no: 258