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Typica: The Line Almost Everything Comes FromTypica's journey from Yemen through Amsterdam to Martinique is documented with dates – the most famous story about it, however, is not....
Robusta (Canephora): Caffeine, Cultivation, and QualityNot three times the caffeine, and no longer a niche product: what the numbers on Canephora really say – chemistry, market share,...
Arabica: What Really Defines the SpeciesArabica is a hybrid, not the original form – and its share of the world market is smaller than claimed. Genetics, caffeine,...
Geisha: Origin, Record Prices, and the 39 Percent ProblemThe world's most expensive coffee variety – and the most frequently mislabeled. Its route, record prices through 2025, and a DNA study...