Guayakí Yerba Mate - Yerba mate contains caffeine, theophylline, and theobromine, well-known stimulants also found in tea, coffee and chocolate. The caffeine content varies between that of green tea and coffee. Unlike
![Analysis of polyphenols and xanthines in yerba mate (Ilex paraguariensis) infusions by high-pressure extraction and ultra-high performance liquid chromatography - ScienceDirect Analysis of polyphenols and xanthines in yerba mate (Ilex paraguariensis) infusions by high-pressure extraction and ultra-high performance liquid chromatography - ScienceDirect](https://ars.els-cdn.com/content/image/1-s2.0-S2772502222001524-gr4.jpg)
Analysis of polyphenols and xanthines in yerba mate (Ilex paraguariensis) infusions by high-pressure extraction and ultra-high performance liquid chromatography - ScienceDirect
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