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Effects of different decaffeination methods on caffeine contents, physicochemical, and sensory properties of coffee

  • Dian Shofinita EMAIL logo , Dianika Lestari , Ronny Purwadi , Giovanni A. Sumampouw , Karen C. Gunawan , Sekar A. Ambarwati , Amarthya B. Achmadi and Jason T. Tjahjadi
Published/Copyright: July 26, 2024

Abstract

Coffee consumption could provide various benefits for human health, but also could contribute to several health problems. The growing trend of coffee consumption has created a rising demand for decaffeinated coffee that is safe for consumers with low caffeine tolerance. Decaffeination process, however, can result in the alteration of several properties of coffee which affect overall coffee taste. This review discussed current decaffeination methods such as water decaffeination, solvent decaffeination, supercritical decaffeination, and biodecaffeination which includes their mechanisms, benefits, and drawbacks as well as their effect in the physicochemical and sensory characteristics of coffee. Solvent decaffeination has showed potential improvements in the future such as the incorporation of membrane and ultrasonic technology. In addition, the mathematical model for caffeine diffusion has been arranged according to Fick’s second law of diffusion, based upon spherical and rectangular coordinates with several assumptions. Further research should be aimed to maintain the properties of coffee after decaffeination process. Furthermore, utilizing new solvents that are safe and non-toxic will potentially be favorable research in the development of decaffeination methods in the future.


Corresponding author: Dian Shofinita, Department of Food Engineering, Institut Teknologi Bandung, Jl. Let. Jen. Purn. Dr. (HC) Mashudi No. 1/Jalan Raya Jatinangor KM 20,75, Sumedang 45363, Indonesia; and Department of Chemical Engineering, Institut Teknologi Bandung, Jl. Ganesa No. 10, Bandung 40132, Indonesia, E-mail:

Acknowledgments

This work was supported by Program Penelitian, Pengabdian Masyarakat, dan Inovasi (PPMI) 2022 (Research, Community Service, and Innovation Program) from the Faculty of Industrial Technology, Institut Teknologi Bandung, Indonesia.

  1. Research ethics: Not applicable.

  2. Informed consent: Not applicable.

  3. Author contributions: Conceptualization: Dian Shofinita, Dianika Lestari, Ronny Purwadi; writing-original draft: Dian Shofinita, Dianika Lestari, Giovanni Arneldi Sumampouw; writing-review and editing: Amarthya Benigna Achmadi, Jason Thamleonard Tjahjadi; data curation: Sekar Arum Ambarwati, Karen Christine Gunawan; supervision: Dian Shofinita, Ronny Purwadi. All authors were involved in the preparation of the final manuscript. The authors have accepted responsibility for the entire content of this manuscript and approved its submission.

  4. Competing interests: The authors state no conflict of interest.

  5. Research funding: N/A.

  6. Data availability: Not applicable.

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Received: 2024-01-18
Accepted: 2024-06-23
Published Online: 2024-07-26

© 2024 Walter de Gruyter GmbH, Berlin/Boston

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