Increase in Polyphenolic Substances from Fermented Robusta Coffee Pulp (Coffea canephora L.) by Using Indigenous Actinomycetes

Eka Putri; Yaya Rukayadi; Titi Candra Sunarti; Anja Meryandini

doi:10.4308/hjb.30.3.457-465

Increase in Polyphenolic Substances from Fermented Robusta Coffee Pulp (Coffea canephora L.) by Using Indigenous Actinomycetes

Eka Putri Study Program of Microbiology, Graduate School, IPB University, Bogor 16680, Indonesia. Department of Pharmacy, Faculty of Health Sciences, Syarif Hidayatullah Islamic State University, Ciputat 15419, Indonesia
Yaya Rukayadi Department of Food Science, Faculty of Food Science and Technology, and Natural Medicines and Products Research Laboratory, Institute of Bioscience (IBS), University Putra Malaysia (UPM), 43400 Serdang, Selangor, Malaysia
Titi Candra Sunarti Department of Agroindustrial Technology, IPB University, Bogor 16680, Indonesia
Anja Meryandini Department of Biology, Faculty of Mathematics and Natural Sciences, IPB University, Bogor 16680, Indonesia. Biotechnology Center, IPB University, Bogor 16680, Indonesia

DOI: https://doi.org/10.4308/hjb.30.3.457-465

Abstract

The fermentation of the coffee fruit processing into coffee beans leaves the fermented coffee pulp which still contains polyphenol secondary metabolites. This study aimed to analyze the total flavonoid content (TFC) and total phenolic content (TPC) of fermented robusta coffee pulp (Coffea canephora L.) by using indigenous Actinomycetes. The ability of fermented extracts to inhibit free radical DPPH (2,2-diphenyl-1-picrylhydrazyl) also were done. In this study, coffee cherries were fermented in the solid-state fermentation cultivation (SSF) using isolates HJ4.5b, P2b(b).3 and P2b(b).18 which in previous studies were reported to have cellulolytic and xylanolytic activities. Determination of molecular identification base on 16S rRNA gen showed the isolates HJ4.5b and P2b(b).3 have similarities to the genus Streptomycetes, while P2b(b).18 has a homologous base arrangement with a rare actinomycetes genus Micromonospora. Fermentation using P2b(b).3 on the 9th day of fermentation indicated the highest percentage increase in TFC (295.54%) with IC₅₀ 18.41 µl/ml and having an antioxidant activity index (AAI) value of 2.14 which was included in the very strong antioxidant activity category.

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Published

2023-01-25

How to Cite

PutriE., RukayadiY., SunartiT. C., & MeryandiniA. (2023). Increase in Polyphenolic Substances from Fermented Robusta Coffee Pulp (Coffea canephora L.) by Using Indigenous Actinomycetes. HAYATI Journal of Biosciences, 30(3), 457-465. https://doi.org/10.4308/hjb.30.3.457-465

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Issue

Vol. 30 No. 3 (2023): May 2023

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Articles

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