A brief history of instant coffee
2 days ago
- #beverage-innovation
- #food-technology
- #coffee-history
- Instant coffee's convenience hides the challenge of preserving volatile flavor compounds during processing, requiring methods to extract solubles without destroying aroma.
- Early attempts included John Dring's 1771 coffee cakes with animal fats (which spoiled) and mid-1800s liquid concentrates like T & H Smith's 'coffee essence', both with poor taste.
- During the American Civil War, the Union Army tried coffee concentrate to reduce logistics, but soldiers disliked its consistency, highlighting the need for a dry powder without boiling.
- David Strang introduced the first instant coffee powder in 1889 using a 'Dry Hot-Air' method, keeping coffee below boiling, though it still suffered from heat damage and oxidation.
- George Washington's Red E Coffee (1909) achieved commercial success via industrial-scale production, boosted by World War I demand despite its 'disagreeable' taste.
- In the 1930s, Nestlé chemist Max Morgenthaler developed spray drying with added carbohydrates to prevent clumping, leading to Nescafé's launch in 1938 and wartime popularity.
- Nestlé improved purity in 1952 by extracting natural carbohydrates from coffee, and freeze drying emerged in the 1960s, better preserving flavor but at higher cost.
- Premium instant coffee grew recently with freeze-dried offerings from specialty roasters, aroma recovery tech like Flavourtech's spinning cone column, and flash freezing (e.g., Cometeer).
- Microgrounds (e.g., Starbucks VIA) added texture by suspending fine particles, while contract processors (e.g., Swift Cup Coffee) enabled specialty roasters to enter the market affordably.