May 2026 in “Jurnal Riset Kefarmasian Indonesia” This study measured caffeine content in ethanolic extracts of robusta coffee beans, finding 221.58 mg of caffeine per gram of extract, which aligns with known levels for Coffea canephora.
July 2023 in “International journal of research publications” In this study, topical application of 45% robusta green coffee bean extract in male wistar rats did not significantly enhance hair growth but effectively inhibited the increase of 5α-reductase type 1 levels when exposed to testosterone.
October 2025 in “Food science and nutrition” This chapter explores the evolving cultural and scientific significance of coffee, highlighting how traditional beliefs, brewing innovations, and globalization have shaped its consumption and cultural impact across different societies.
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May 2019 in “Biomaterials” This study developed a method for generating germ-like tissues called bbHFGs, which efficiently promoted hair follicle formation in mice, potentially advancing hair regenerative medicine applications.
12 citations
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April 2022 in “Journal of Bioscience and Bioengineering” This study found that activating the PI3K/Akt signaling pathway in dermal papilla cells enhances their hair-inducing capabilities, suggesting potential strategies for hair regenerative medicine.