1
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Oliveira AD, Moreira TFM, Paes Silva B, Oliveira G, Teixeira VMC, Watanabe LS, Lucy Nixdorf S, Eloísa Leal L, Pessoa LGA, Seixas FAV, Gonçalves OH, Paula Peron A, Sá-Nakanishi AB, Leimann FV, Bracht A, Bracht L, Comar JF. Characterization and bioactivities of coffee husks extract encapsulated with polyvinylpyrrolidone. Food Res Int 2024; 178:113878. [PMID: 38309896 DOI: 10.1016/j.foodres.2023.113878] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 12/07/2023] [Accepted: 12/14/2023] [Indexed: 02/05/2024]
Abstract
Coffee processing generates large amounts of residues of which a portion still has bioactive properties due to their richness in phenolic compounds. This study aimed to obtain a coffee husks extract (CHE) and to encapsulate it (ECHE) with polyvinylpyrrolidone using a one-step procedure of solid dispersion. The extraction and encapsulation yields were 9.1% and 92%, respectively. Thermal analyses revealed that the encapsulation increased the thermal stability of CHE and dynamic light scattering analyses showed a bimodal distribution of size with 81% of the ECHE particles measuring approximately 711 nm. Trigonelline and caffeine were the main alkaloids and quercetin the main phenolic compound in CHE, and the encapsulation tripled quercetin extraction. The total phenolics content and the antioxidant activity of ECHE, assayed with three different procedures, were higher than those of CHE. The antioxidant activity and the bioaccessibility of the phenolic compounds of ECHE were also higher than those of CHE following simulated gastrointestinal digestion (SGID). Both CHE and ECHE were not toxic against Alliumcepa cells and showed similar capacities for inhibiting the pancreatic α-amylase in vitro. After SGID, however, ECHE became a 1.9-times stronger inhibitor of the α-amylase activity in vitro (IC50 = 8.5 mg/mL) when compared to CHE. Kinetic analysis revealed a non-competitive mechanism of inhibition and in silico docking simulation suggests that quercetin could be contributing significantly to the inhibitory action of both ECHE and CHE. In addition, ECHE (400 mg/kg) was able to delay by 50% the increases of blood glucose in vivo after oral administration of starch to rats. This finding shows that ECHE may be a candidate ingredient in dietary supplements used as an adjuvant for the treatment of diabetes.
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Affiliation(s)
| | - Thaysa F M Moreira
- Post-Graduation Program of Food Technology, Federal University of Technology (UTFPR), Campo Mourão, PR, Brazil
| | | | - Grazielle Oliveira
- Department of Chemical Engineering, Federal University of Paraná, Curitiba, PR, Brazil
| | | | - Lycio S Watanabe
- Department of Chemistry, State University of Londrina, PR, Brazil
| | | | | | | | | | - Odinei H Gonçalves
- Department of Textile Engineering, Federal University of Santa Catarina, Blumenau, SC, Brazil
| | - Ana Paula Peron
- Department of Biodiversity and Nature Conservation, Federal University of Technology (UTFPR), Campo Mourão, PR, Brazil
| | | | - Fernanda V Leimann
- Post-Graduation Program of Food Technology, Federal University of Technology (UTFPR), Campo Mourão, PR, Brazil
| | - Adelar Bracht
- Department of Biochemistry, State University of Maringá, PR, Brazil
| | - Lívia Bracht
- Department of Biochemistry, State University of Maringá, PR, Brazil
| | - Jurandir F Comar
- Department of Biochemistry, State University of Maringá, PR, Brazil.
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2
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Cañas S, Rebollo-Hernanz M, Martín-Trueba M, Braojos C, Gil-Ramírez A, Benítez V, Martín-Cabrejas MA, Aguilera Y. Exploring the potential of phenolic compounds from the coffee pulp in preventing cellular oxidative stress after in vitro digestion. Food Res Int 2023; 172:113116. [PMID: 37689881 DOI: 10.1016/j.foodres.2023.113116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2023] [Revised: 06/05/2023] [Accepted: 06/09/2023] [Indexed: 09/11/2023]
Abstract
The coffee pulp, a by-product of the coffee industry, contains a high concentration of phenolic compounds and caffeine. Simulated gastrointestinal digestion may influence these active compounds' bioaccessibility, bioavailability, and bioactivity. Understanding the impact of the digestive metabolism on the coffee pulp's phenolic composition and its effect on cellular oxidative stress biomarkers is essential. In this study, we evaluated the influence of in vitro gastrointestinal digestion of the coffee pulp flour (CPF) and extract (CPE) on their phenolic profile, radical scavenging capacity, cellular antioxidant activity, and cytoprotective properties in intestinal epithelial (IEC-6) and hepatic (HepG2) cells. The CPF and the CPE contained a high amount of caffeine and phenolic compounds, predominantly phenolic acids (3',4'-dihydroxycinnamoylquinic and 3,4-dihydroxybenzoic acids) and flavonoids (3,3',4',5,7-pentahydroxyflavone derivatives). Simulated digestion resulted in increased antioxidant capacity, and both the CPF and the CPE demonstrated free radical scavenging abilities even after in vitro digestion. The CPF and the CPE did not induce cytotoxicity in intestinal and hepatic cells, and both matrices exhibited the ability to scavenge intracellular reactive oxygen species. The coffee pulp treatments prevented the decrease of glutathione, thiol groups, and superoxide dismutase and catalase enzymatic activities evoked by tert-butyl hydroperoxide elicitation in IEC-6 and HepG2 cells. Our findings suggest that the coffee pulp could be used as a potent food ingredient for preventing cellular oxidative stress due to its high content of antioxidant compounds.
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Affiliation(s)
- Silvia Cañas
- Department of Agricultural Chemistry and Food Science, Faculty of Science, C/Francisco Tomás y Valiente, 7. Universidad Autónoma de Madrid, 28049 Madrid, Spain; Institute of Food Science Research (CIAL, UAM-CSIC), C/Nicolás Cabrera, 9. Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Miguel Rebollo-Hernanz
- Department of Agricultural Chemistry and Food Science, Faculty of Science, C/Francisco Tomás y Valiente, 7. Universidad Autónoma de Madrid, 28049 Madrid, Spain; Institute of Food Science Research (CIAL, UAM-CSIC), C/Nicolás Cabrera, 9. Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - María Martín-Trueba
- Department of Agricultural Chemistry and Food Science, Faculty of Science, C/Francisco Tomás y Valiente, 7. Universidad Autónoma de Madrid, 28049 Madrid, Spain; Institute of Food Science Research (CIAL, UAM-CSIC), C/Nicolás Cabrera, 9. Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Cheyenne Braojos
- Department of Agricultural Chemistry and Food Science, Faculty of Science, C/Francisco Tomás y Valiente, 7. Universidad Autónoma de Madrid, 28049 Madrid, Spain; Institute of Food Science Research (CIAL, UAM-CSIC), C/Nicolás Cabrera, 9. Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Alicia Gil-Ramírez
- Department of Agricultural Chemistry and Food Science, Faculty of Science, C/Francisco Tomás y Valiente, 7. Universidad Autónoma de Madrid, 28049 Madrid, Spain; Institute of Food Science Research (CIAL, UAM-CSIC), C/Nicolás Cabrera, 9. Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Vanesa Benítez
- Department of Agricultural Chemistry and Food Science, Faculty of Science, C/Francisco Tomás y Valiente, 7. Universidad Autónoma de Madrid, 28049 Madrid, Spain; Institute of Food Science Research (CIAL, UAM-CSIC), C/Nicolás Cabrera, 9. Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - María A Martín-Cabrejas
- Department of Agricultural Chemistry and Food Science, Faculty of Science, C/Francisco Tomás y Valiente, 7. Universidad Autónoma de Madrid, 28049 Madrid, Spain; Institute of Food Science Research (CIAL, UAM-CSIC), C/Nicolás Cabrera, 9. Universidad Autónoma de Madrid, 28049 Madrid, Spain
| | - Yolanda Aguilera
- Department of Agricultural Chemistry and Food Science, Faculty of Science, C/Francisco Tomás y Valiente, 7. Universidad Autónoma de Madrid, 28049 Madrid, Spain; Institute of Food Science Research (CIAL, UAM-CSIC), C/Nicolás Cabrera, 9. Universidad Autónoma de Madrid, 28049 Madrid, Spain.
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Myo H, Khat-Udomkiri N. Optimization of ultrasound-assisted extraction of bioactive compounds from coffee pulp using propylene glycol as a solvent and their antioxidant activities. Ultrason Sonochem 2022; 89:106127. [PMID: 36007328 PMCID: PMC9424582 DOI: 10.1016/j.ultsonch.2022.106127] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/07/2022] [Revised: 07/31/2022] [Accepted: 08/14/2022] [Indexed: 06/15/2023]
Abstract
In the cosmetic and pharmaceutical industries, it has been increasingly popular to use alternative solvents in the extraction of bioactive compounds from plants. Coffee pulp, a by-product of coffee production, contains different phenolic compounds with antioxidant properties. The effects of polyols, amplitude, extraction time, solvent concentration, and liquid-solid ratio on total phenolic content (TPC) using ultrasound-assisted extraction (UAE) were examined by single-factor studies. Three main factors that impact TPC were selected to optimize the extraction conditions for total phenolic content (TPC), total flavonoid content (TFC), total tannin content (TTC), and their antioxidant activities using the Box-Behnken design. Different extraction methods were compared, the bioactive compounds were identified and quantified by liquid chromatography triple quadrupole mass spectrometer (LC-QQQ), and the cytotoxicity and cellular antioxidant activities of the extract were studied. According to the response model, the optimal conditions for the extraction of antioxidants from coffee pulp were as follows: extraction time of 7.65 min, liquid-solid ratio of 22.22 mL/g, and solvent concentration of 46.71 %. Under optimized conditions, the values of TPC, TFC, TTC, 1,1-diphenyl-2-picryl-hydrazil (DPPH) radical scavenging assay, 2,2'-azino-bis-3-ethylbenzthiazoline-6-sulphonic acid (ABTS) radical scavenging assay, and Ferric reducing antioxidant power assay (FRAP) were 9.29 ± 0.02 mg GAE/g sample, 58.82 ± 1.38 mg QE/g sample, 8.69 ± 0.25 mg TAE/g sample, 7.56 ± 0.27 mg TEAC/g sample, 13.59 ± 0.25 mg TEAC/g sample, and 10.90 ± 0.24 mg FeSO4/g sample, respectively. Compared with other extraction conditions, UAE with propylene glycol extract (PG-UAE) was significantlyhigher in TPC, TFC, TTC, DPPH, ABTS, and FRAP response values than UAE with ethanol (EtOH-UAE), maceration with propylene glycol (PG-maceration), and maceration with ethanol (EtOH -maceration) (p < 0.05). Major bioactive compounds detected by LC-QQQ included chlorogenic acid, caffeine, and trigonelline. At higher concentrations starting from 5 mg/ml, PG-UAE extract showed higher cell viability than EtOH-UAE in both cytotoxicity and cellular antioxidant assays. The researcher expects that this new extraction technique developed in this work could produce a higher yield of bioactive compounds with higher biological activity. Therefore, they can be used as active ingredients in cosmetics (anti-aging products) and pharmaceutical applications (food supplements, treatment for oxidative stress-related diseases) with minimal use of chemicals and energy.
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Affiliation(s)
- Hla Myo
- School of Cosmetic Science, Mae Fah Luang University, Chiang Rai 57100, Thailand.
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Hejna A. Potential applications of by-products from the coffee industry in polymer technology - Current state and perspectives. Waste Manag 2021; 121:296-330. [PMID: 33406477 DOI: 10.1016/j.wasman.2020.12.018] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Revised: 12/09/2020] [Accepted: 12/12/2020] [Indexed: 06/12/2023]
Abstract
Coffee is one of the most popular beverages in the world, and its popularity is continuously growing, which can be expressed by almost doubling production over the last three decades. Cultivation, processing, roasting, and brewing coffee are known for many years. These processes generate significant amounts of by-products since coffee bean stands for around 50% of the coffee cherry. Therefore, considering the current pro-ecological trends, it is essential to develop the utilization methods for the other 50% of the coffee cherry. Among the possibilities, much attention is drawn to polymer chemistry and technology. This industry branch may efficiently consume different types of lignocellulosic materials to use them as fillers for polymer composites or as intermediate sources of particular chemical compounds. Moreover, due to their chemical composition, coffee industry by-products may be used as additives modifying the oxidation resistance, antimicrobial, or antifungal properties of polymeric materials. These issues should be considered especially important in the case of biodegradable polymers, whose popularity is growing over the last years. This paper summarizes the literature reports related to the generation and composition of the coffee industry by-products, as well as the attempts of their incorporation into polymer technology. Moreover, potential directions of research based on the possibilities offered by the coffee industry by-products are presented.
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Affiliation(s)
- Aleksander Hejna
- Department of Polymer Technology, Gdańsk University of Technology, Narutowicza 11/12, 80-233 Gdańsk, Poland.
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Juan C, de Simone G, Sagratini G, Caprioli G, Mañes J, Juan-García A. Reducing the effect of beauvericin on neuroblastoma SH-SY5Y cell line by natural products. Toxicon 2020; 188:164-171. [PMID: 33164869 DOI: 10.1016/j.toxicon.2020.10.017] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 10/02/2020] [Accepted: 10/16/2020] [Indexed: 12/19/2022]
Abstract
In the present work, different natural compounds from coffee by-product extracts (coffee silverskin and spent coffee) rich in polyphenols, was investigated against beauvericin (BEA) induced-cytotoxicity on SH-SY5Y cells. Spent coffee arise as waste products through the production of instant coffee and coffee brewing; while the silverskin is a tegument which is removed and eliminated with toasting coffee grains. First of all, polyphenol extraction methods, measurement of total polyphenols content and its identification were carried out. Afterwards evaluating in vitro effects with MTT assay on SH-SY5Y cells of coffee by-product extracts and mycotoxins at different concentrations and exposure times was performed. TPC in silverskin coffee by-product extracts was >10 times higher than in spent coffee by-product extracts. Chlorogenic acid was the majority polyphenol detected. Viability for BEA reached IC50 values at 72h (2.5 μM); boiling water silverskin coffee extract reached the highest viability also in pre-treatment BEA exposure and compared with MeOH and MeOH:H2O (v/v, 50:50) extracts. These results in SH-SY5Y cells highlight the use of such residues as supplements or bioactive compounds in the future.
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Affiliation(s)
- Cristina Juan
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, 46100, Burjassot, València, Spain.
| | - Gaia de Simone
- Laboratory of Food Chemistry, School of Pharmacy, University of Camerino, Via S. Agostino 1, 62032, Camerino, Italy
| | - Gianni Sagratini
- Laboratory of Food Chemistry, School of Pharmacy, University of Camerino, Via S. Agostino 1, 62032, Camerino, Italy
| | - Giovanni Caprioli
- Laboratory of Food Chemistry, School of Pharmacy, University of Camerino, Via S. Agostino 1, 62032, Camerino, Italy
| | - Jordi Mañes
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, 46100, Burjassot, València, Spain
| | - Ana Juan-García
- Laboratory of Food Chemistry and Toxicology, Faculty of Pharmacy, University of Valencia, Av. Vicent Andrés Estellés s/n, 46100, Burjassot, València, Spain.
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San Martin Ruiz M, Reiser M, Kranert M. Enhanced composting as a way to a climate-friendly management of coffee by-products. Environ Sci Pollut Res Int 2020; 27:24312-24319. [PMID: 32306256 PMCID: PMC7326828 DOI: 10.1007/s11356-020-08742-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/11/2019] [Accepted: 04/02/2020] [Indexed: 06/11/2023]
Abstract
This study investigated the performance of aerobic windrow systems by using coffee by-products and green waste to reduce gaseous emissions. Thereafter, a comparison with the current treatment and gaseous emissions at a Coffee Mill in Costa Rica was made. Two different studies where performed in Germany (pile I and II) and one study in a Coffee Mill in Costa Rica (pile III). Temperature, water content, and pH were the key parameters controlled over 35 days in all the systems. Moreover, CH4 emission rates were quantified by a FTIR and by a portable gas detector device where the emissions reached values 100 times higher when coffee by-products as a unique material for the composting process was used. Results show that highest emission rates during the composting process for pile I was 0.007 g(m2)-1 h-1, for pile II 0.006 g(m2)-1 h-1, and for pile III 3.1 g(m2)-1 h-1. It was found that CH4 emissions could be avoided if the mixture and the formation of the windrow piles were performed following the key parameter for composting, and the usage of additional material is used. With this, the reduction of CH4 emissions at the Mill in Costa Rica could be achieved in the future.
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Affiliation(s)
- Macarena San Martin Ruiz
- Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtäle 2, 70569, Stuttgart, Germany.
| | - Martin Reiser
- Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtäle 2, 70569, Stuttgart, Germany
| | - Martin Kranert
- Institute for Sanitary Engineering, Water Quality and Solid Waste Management, University of Stuttgart, Bandtäle 2, 70569, Stuttgart, Germany
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Kieu Tran TM, Kirkman T, Nguyen M, Van Vuong Q. Effects of drying on physical properties, phenolic compounds and antioxidant capacity of Robusta wet coffee pulp ( Coffea canephora). Heliyon 2020; 6:e04498. [PMID: 32715143 PMCID: PMC7378691 DOI: 10.1016/j.heliyon.2020.e04498] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 03/20/2020] [Accepted: 07/15/2020] [Indexed: 11/25/2022] Open
Abstract
Wet coffee pulp (WCP), produced as waste from coffee production, is a rich source of bioactive compounds, especially caffeine and chlorogenic acid. However, it contains high moisture content, thus it is challenging for further utilization due to degradation and microbial deterioration. Dehydration is, therefore, necessary to minimize degradation and ease storage and transportation. As a waste, the common drying methods should be prioritized to be feasible for industrial application. This study aimed to determine the impact of different drying conditions of the three common drying methods including low temperature and pressure, vacuum and hot air drying on physical, phytochemical and antioxidant properties of WCP to identify the most suitable drying conditions. Browning index, moisture content, total phenolic content (TPC), flavonoids (TFC), proanthocyanidins, and chlorogenic acid as well as the antioxidant properties of the dried coffee pulp were significantly influenced by different tested conditions. Vacuum drying was found to be more suitable for drying the wet coffee pulp as compared to low temperature and pressure and hot air drying methods. Vacuum drying at 110 °C retained the highest TPC (14.4 mg gallic acid equivalents (GAE)/g dry weight (DW)), proanthocyanidins (6.8 mg catechin equivalents (CE)/g DW), TFC (13.2 CE/g DW), caffeine (2.9 mg/g DW) and antioxidant capacity. Chlorogenic acid (3.4 mg/g DW) was 13% lower, but energy consumption was 37% less than vacuum drying at 90 °C. Therefore, vacuum drying (3.75 mmHg) at 110 °C for 4h 05 min was suggested for dehydration of the wet coffee pulp for subsequent recovery and processing.
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Affiliation(s)
- Thy Minh Kieu Tran
- School of Environmental and Life Sciences, Faculty of Science and Information Technology, University of Newcastle, Ourimbah, New South Wales, Australia
- School of Post-harvest Technology, Faculty of Agriculture and Forest, Tay Nguyen University, Buon Ma Thuot, Dak Lak, Viet Nam
| | - Timothy Kirkman
- School of Environmental and Life Sciences, Faculty of Science and Information Technology, University of Newcastle, Ourimbah, New South Wales, Australia
| | - Minh Nguyen
- School of Environmental and Life Sciences, Faculty of Science and Information Technology, University of Newcastle, Ourimbah, New South Wales, Australia
- School of Science and Health, Western Sydney University, Penrith, NSW, 2751, Australia
| | - Quan Van Vuong
- School of Environmental and Life Sciences, Faculty of Science and Information Technology, University of Newcastle, Ourimbah, New South Wales, Australia
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de Melo Pereira GV, de Carvalho Neto DP, Magalhães Júnior AI, do Prado FG, Pagnoncelli MGB, Karp SG, Soccol CR. Chemical composition and health properties of coffee and coffee by-products. Adv Food Nutr Res 2020; 91:65-96. [PMID: 32035601 DOI: 10.1016/bs.afnr.2019.10.002] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Coffee can be an ally in the fight against diseases such as type 2 diabetes, cancer, hepatic injury, cirrhosis, depression, suicidal behavior, and neurological and cardiovascular disorders. The properties of coffee also favor gastrointestinal tract and gut microbiota establishment. Coffee bioactive components include phenolic compounds (chlorogenic acids, cafestol and kahweol), alkaloids (caffeine and trigonelin), diterpenes (cafestol and kahweol) and other secondary metabolites. The image of coffee as a super functional food has helped to increase coffee consumption across the globe. This chapter addresses the main health promotion mechanisms associated with coffee consumption. Related topics on coffee production chain, world consumption and reuse of coffee by-products in the production of high-value-adding molecules with potential applications in the food industry are addressed and discussed.
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Affiliation(s)
- Gilberto V de Melo Pereira
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Dão Pedro de Carvalho Neto
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Antonio I Magalhães Júnior
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Fernanda Guilherme do Prado
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Maria Giovana B Pagnoncelli
- Department of Chemistry and Biology, Federal University of Technology-Paraná (UTFPR), Curitiba, Paraná, Brazil
| | - Susan Grace Karp
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil
| | - Carlos Ricardo Soccol
- Bioprocess Engineering and Biotechnology Department, Federal University of Paraná (UFPR), Curitiba, Paraná, Brazil.
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