Common Interview and Viva Questions

Explain the difference between the DPPH and ORAC antioxidant assay principles.What does an MBC/MIC ratio of less than four indicate about an extract's...

• Explain the difference between the DPPH and ORAC antioxidant assay principles.
• What does an MBC/MIC ratio of less than four indicate about an extract's antimicrobial mechanism?
• Why is ALT considered more liver-specific than AST as a hepatotoxicity marker?
• Define the Selectivity Index and explain its regulatory and publication significance.
• Describe the carbon clearance test and what it measures physiologically.
• Why is genotoxicity testing particularly important for isolated phytoconstituents intended for long-term use?