PesachApril 4, 2026
18 Minutes to Disaster: The Science of Chametz
Enzymes vs faith
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The chametz prohibition is a precise biochemical process.
Biology
When water touches grain, enzymes activate and release carbon dioxide.
The 18-Minute Rule
After 18 minutes, the fermentation process becomes irreversible.
The Power of Motion
Constant kneading suppresses enzymes. Matzah bakeries work at a frantic pace.
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