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Liberica coffee contains significantly more caffeine than Arabica, according to some studies. However, other studies suggest that Liberica has considerably less caffeine than Arabica. What’s the truth? We delve into this question in this video.If you can’t wait for the results, here are the measurements:Caffeine in mg/dl – Prepared as CGI Cupping:Canephora (Robusta) - India Parchment: 93.5Arabica - Brazil Catuai & Bourbon: 55.2Arabica - Ethiopia Yirgacheffe: 51.2Liberica - Malaysia MyLiberica: 42.4Liberica - Malaysia House of Kendall: 64.0Excelsa - India Mara Kaapi: 56.9Chlorogenic Acid in mg/dl – Prepared as CGI Cupping:Canephora (Robusta) - India Parchment: 97.8Arabica - Brazil Catuai & Bourbon: 66.2Arabica - Ethiopia Yirgacheffe: 78.9Liberica - Malaysia MyLiberica: 63.1Liberica - Malaysia House of Kendall: 93.1Excelsa - India Mara Kaapi: 114.5Density in g/l:Canephora (Robusta) - India Parchment: 811Arabica - Brazil Catuai & Bourbon: 752Arabica - Ethiopia Yirgacheffe: 799Liberica - Malaysia MyLiberica: 777Liberica - Malaysia House of Kendall: 813Excelsa - India Mara Kaapi: 802Used Equipment:Sample Roaster: Nucleus Link Density Measurement: Lighttells MD-500 Caffeine & CGA: Lighttells CA-700Podcast with Tobias Seewer on Liberica & ExcelsaLiberica Green Coffee from Kebun MalayaChapters:▬ About the Nucleus Link sample roaster ▬▬▬ The Nucleus Link is a highly accurate convection roaster. It has been specifically designed as a sample roaster - in particular, it allows the same roast to be produced regardless of external conditions. This makes it perfect for communication between coffee growers, traders and roasters, and as a sample roaster for farm visits.The unit comes in a shockproof box and with accessories to determine the density of the beans. It also comes with an app that selects the appropriate settings for the machine based on the altitude, type and density of the beans. Thanks to its ease of use, the machine is also suitable for ambitious and quality-conscious home roasters.You can find more about the roaster here: https://roastrebels.com/en/coffee-roaster/nucleus-linkOr, if you come from Switzerland here: https://roastrebels.ch/en/roaster/nucleus-link
