The Insoluble Nature of Cinnamon Sticks
Cinnamon sticks come from the bark of specific trees. Unlike substances like sugar or salt that break down and disperse at a molecular level, cinnamon bark has a fibrous structure made of cellulose. This makes it insoluble in water, much like wood.
When a cinnamon stick is placed in hot water, the heat and liquid act as a solvent, but not for the solid bark. The heat extracts aromatic oils and flavor compounds from the stick's surface, infusing the water with a spicy fragrance. This process is known as infusion or steeping, not dissolving. Though a stick might soften over time, and prolonged boiling could cause it to break down, it will not fully disappear.
Ground Cinnamon's Behavior
Ground cinnamon, though finer, also does not dissolve. The small particles will disperse in the liquid but are still insoluble and will eventually settle, creating a gritty texture.
- Ground Cinnamon: Offers an immediate and robust flavor, best for baked goods and dishes where a speckled texture is desired. It needs stirring in beverages and may leave sediment.
- Cinnamon Sticks: Provides a subtle, gradual flavor infusion, ideal for teas, ciders, and slow-cooking dishes where the stick can be removed.
Maximizing Flavor Extraction
The key is to maximize flavor extraction through proper technique, since dissolving is not possible.
Infusion for Teas and Hot Beverages
- Heat water to a boil.
- Add one or two cinnamon sticks.
- Reduce heat and simmer for at least 15 minutes to infuse flavor.
- The longer the simmer, the stronger the flavor.
- Remove the sticks before serving.
Syrups and Sauces
- Combine water, sugar, and cinnamon sticks.
- Boil, stirring until sugar dissolves.
- Reduce heat and simmer for 10-15 minutes.
- Remove from heat, steep for 30 minutes or more.
- Strain and store in an airtight container.
Comparison: Ceylon vs. Cassia Cinnamon
| Characteristic | Ceylon (True) Cinnamon | Cassia (Common) Cinnamon | 
|---|---|---|
| Appearance | Tan-brown, thin layers. | Dark brown-red, thick layer. | 
| Flavor | Mild, sweet, with floral and citrus notes. | Strong, spicy, often pungent. | 
| Texture | Soft, crumbly. | Harder. | 
| Coumarin Content | Low, safer for frequent use. | High, potentially harmful in large doses. | 
| Origin | Sri Lanka and India. | China and Indonesia. | 
Conclusion
Cinnamon sticks do not dissolve due to their fibrous structure. Flavor is extracted through infusion. For strong flavor and texture, use ground cinnamon. For nuanced flavor in beverages and slow-cooked dishes, sticks are preferred. Using the correct method allows full appreciation of this versatile spice.