The Science of Chocolate: From Fermentation to Rheology
How a bitter, purple seed becomes a glossy bar: microbial heat, micron-scale grinding, and one crystal form that snaps
Members only · $15 a month
Chocolate is made by biology, thermodynamics, and crystal engineering long before it reaches a mold. This module follows cacao from the three-phase microbial fermentation that heats the heap to 45 to 50 °C and kills the embryo, through the enzymes that build flavor precursors, to roasting, melanger refining against the 30 micron tongue threshold, and the three stages of conching. It then covers the Casson model of shear-thinning flow, the six polymorphs of cocoa butter and why tempering targets Form V, and the emulsion physics, water activity, and food-safety limits behind ganache, with an estate-kitchen SOP and a troubleshooting matrix for bloom, seizing, and splitting.
- Cacao Origins & Fermentation Microbiology
- Cotyledon Chemistry & Flavor Precursors
- Roasting, Refining & Particle Size
- Conching & Emulsifiers
- Casson Rheology & Shear-Thinning
- Cocoa Butter Polymorphism & Tempering
- Ganache Emulsions & Food Safety
The guides, flashcards, quiz, audio, video and study materials in this module are for members. Membership is $15 a month, plus any sales tax that applies, with a free first week. Cancel online, any time, in one click.