Coffee - Science topic

CALL FOR PAPERS - AGRICULTURE (https://www.mdpi.com/si/165847) This Special Issue aims to publish work that covers coffee production technologies; harvest techniques; equipment and procedures used during coffee post-harvest, with special interest on drying and storage methods; sensorial analysis and coffee defects identification.

Images of science influence what we count as science, how we believe it is conducted, and what and how we teach. This paper advances an image of science conducted not within professional laboratories, but rather an everyday workplace: a neighborhood coffee roastery. Through participant observation and microethnographic analyses we develop and analy...

Climate changes (CC) are a main global phenomenon, with a worldwide impact on natural and agricultural ecosystems. The objective of this study was to analyse the potential impact of future CC on the suitability of areas for rainfed coffee growth, both at the Mozambique national scale and in the Gorongosa Mountain, under Agroforestry (AFS) and Full...

The use of biostimulants in coffee seedlings can promote gains in their growth and quality. Thus, this study aimed to evaluate the growth and quality characteristics of Coffea arabica seedlings under the effect of the nicotinamide and Azospirillum brasilense application. The experimental design was randomized blocks with treatments arranged in a 5...

Turkish cofee is a widely consumed product in Turkey and many other countries. In this study, the use of polymeric bio-waste (Turkish cofee waste (TCW)) as a polymeric adsorbent for the removal of methyl orange (MO) dye from the model aqueous solution without any pretreatment was investigated. The characterization of the bio-adsorbent was carried...

OBJECTIVE To review researches done on coffee consumption benefits and risks on human health. RESULTS Coffee has many chemical compounds like caffeine, diterpene, alcohols, and chlorogenic acid, that make it valuable for human health when used at per recommended level. Consumption of 3 up to 5 cups as standard daily is believed to prevent different...

In the conilon coffee tree, the stress caused by high light can reduce the photosynthetic rate, limit the development and also reduce the yield of beans. Considering that the quality of a sunscreen spray can influence photosynthetic performance, the goal was to understand the iterations between the quality of the spray and the variation of the chlo...

Background: Dietary and metabolic factors have been associated with the risk of Barrett's esophagus (BE) in observational epidemiological studies. However, the aforementioned associations may be influenced by confounding bias. The present study aimed to evaluate these causal relationships through univariate and multivariate Mendelian randomization...

In 2001, 150 tons of tannery waste was incorporated in the soil as a source of organic matter on the Monte Alegre Farm. This waste, which originates from the tannery industry and contains high chromium concentrations, was irregularly used as a soil fertilizer by farmers to produce mangoes, sugarcane, coffee, oranges, corn and lemons, contaminating...

The purpose of the present study, besides the reutilization of spent coffee grounds (SCG) as an innovative adsorbent for the depollution of olive mill wastewaters (OMW), which was proved in our previous study, is the possible interpretation of adsorption behavior of OMW. Sorption characteristics of OMW’s pure phenolics (p-coumaric acid, caffeic aci...

Chlorogenic acid (CGA) is a polyphenol that is present in coffee beans, many vegetables, and fruits. Since CGA has been reported to exert antioxidant and anti-inflammatory effects, it is expected to protect against periodontitis. In the present study, we used a ligature-induced experimental periodontitis model and investigated the beneficial effect...

This paper presents the proposal of a statistical method to analyse dependent agreement data with categorical ordinal responses for a longitudinal study in sensorial analysis of special coffee. The assessment of sensory attributes of special coffees were carried out by certified raters using a continuous scale of grades. The approach aimed to apply...

El estilo Googie fue un lenguaje arquitectónico ampliamente utilizado en las cafeterías y restaurantes de carretera del sur de California entre el final de la Segunda Guerra Mundial y la década de 1960. Caracterizado por la combinación de formas inspiradas en la industria aeroespacial, letreros llamativos y neones de colores, gozó de gran aceptació...

With the increasing consumption of coffee beverages, an increased amount of food waste—spent coffee grounds (SCG)—is generated and disposed into landfills or combusted in incinerators. SCG are characterized as a highly polluting substance with partial toxicity due to the presence of caffeine, tannins, and polyphenols. It also contains 15% of oil on...

Our study is aimed at evaluating the effect of postharvest processing (natural, honey, and fully washed) on the compounds profile in green beans and roasted beans of Kalosi-Enrekang Arabica coffee and determining the marker compounds for each process. These beans were extracted using boiling water, and the extract was analyzed using LC-MS/MS. The r...

Caracterización de proteínas del suelo relacionadas con las fracciones de glomalina en cafetales bajo sombra en Veracruz Recibido: 24 abril 2022. Aceptado: 14 junio 2022 RESUMEN Antecedentes: La estructura vegetal de los cafetales con sombra ha funcionado como nicho de la biota nativa. Entre esta biota destacan los hongos micorrízicos arbusculares...

This research arose from the academy, with the purpose of making scientific contributions to the country's coffee sector, and determining the yield of processed coffee by studying yields, in two compact ecological milling centers in Honduras, in Matazano, Pinabetal, Talgua Lempira and El Pinal, San Juan de Opoa,,Copán. In addition, to know the volu...

Background Chloroplast genome has the characteristic of small genome size and low rate of mutation and recombination, which has been used in plant phylogeny, molecular evolution, and pedigree geography, normally. Codon usage bias is an important evolutionary feature of organisms, plays a crucial role in the study of species evolution, gene function...

Background There is no study in the world on the relationship between consuming black and green tea as beverages containing polyphenols and the risk of MS. This study aimed to determine the association between the consumption of green and black tea, coffee, non-alcoholic beer, milk, fruit juices and carbonated beverages with the risk of MS. Method...

Coffee is one of the most important beverages and trade products in the world. Among the multiple research initiatives focused on coffee sustainability, plant breeding provides the best means to increase phenotypic performance and release cultivars that could meet market demands. Since coffee is so well adapted to a diversity of tropical environmen...

Coffee, next to water the most widespread beverage, is attributed both harmful and protective characteristics concerning cardiovascular health. This study aimed to evaluate associations of coffee consumption with cardiac biomarkers, echocardiographic, electrocardiographic parameters and major cardiovascular diseases. We performed a cross-sectional...

The primary cause of rising CO2 concentrations in the atmosphere is the use of fossil fuels in motor vehicles and factory activities in industry. CO2 levels in the atmosphere can be controlled and reduced by using low-carbon energy and capturing and storing CO2. One widely used way for CO2 capture and storage is adsorption method. This method neces...

Background Obesity and chronic diseases are significant public health issues in the Middle East and North Africa region. A robust body of evidence demonstrated the association between beverage consumption, obesity, and chronic diseases. Therefore, the assessment of beverage consumption is gaining more interest in health policy development, food ind...

In the last years, robots are moving out of research laboratories to enter everyday life. Competitions aiming at benchmarking the capabilities of a robot in everyday scenarios are useful to make a step forward in this path. In fact, they foster the development of robust architectures capable of solving issues that might occur during human-robot coe...

In this paper, green nanocomposites based on biomass and superparamagnetic nanoparticles were synthesized and used as adsorbents to remove methylene blue (MB) from water with magnetic separation. The adsorbents were synthesized through the wet co-precipitation technique, in which iron-oxide nanoparticles coated the cores based on coffee, cellulose,...

Interactions among multiple stakeholders in coffee production have grown in importance in recent decades, as connections between individuals and groups have been established. The objective of the study is to examine the roles and connections of stakeholders in quality coffee production and the implications for sustainable land management in Yirgach...

Coffee is an important commercial product that arose various quality issues. Different techniques have been applied to detect coffee quality. This review focused on the recent updates in the detection methods of coffee from a targeted versus nontargeted perspective. This review introduced case studies of the current research progresses on targeted...

The research that aimed to analyze the relationship between altitude and shade of Arabica coffee plants on the taste of coffee has been conducted. This study uses an organoleptic analysis method that refers to the Specialty Coffee Association of America (SCAA) Standard with parameters are fragrance, acidity, body, flavor, after taste, and balance....

Objective Currently, the association between smoking, alcohol, and coffee intake and the risk of ovarian cancer (OC) remains conflicting. In this study, we used a two-sample mendelian randomization (MR) method to evaluate the association of smoking, drinking and coffee consumption with the risk of OC and prognosis. Methods Five risk factors relate...

A cup of tea or coffee is quite common among several human beings across the world. On one hand, the corporate style tea maintains quality demanding high prices while the local brands are sold for cheap, sacrificing the quality. Decreased quality in the taste may not be a problem but if adulteration that may target the health of individuals takes p...

Context: Acrylamide (AA) is a dangerous contaminant that occurs in food products, and the formation of this toxic compound is mainly related to the Millard reaction. Acrylamide forms in food products during heat processing, such as frying, roasting, and baking. The AA level in foods depends on the food matrix, processing temperature, amount of carb...

This paper analyzes the global value chains (GVC) of the coffee industry, particularly in the emerging economies of Vietnam, Colombia, and Brazil, which are the largest producers and exporters of unprocessed coffee in the world. However, value-added or processed coffee exports are equally dominated by advanced countries, such as Switzerland, German...

The global market’s sustainability demand for coffee as a result of environmental concerns has influenced coffee producers to practice green coffee production. The efforts to improve the environmental performance of coffee production should also consider the other sustainability aspects: energy and economics. Using a green fertilizer from agricultu...

This study aimed to determine the water demand of a Municipal Market building to propose water use efficiency measures. The flushing cisterns have the highest water consumption (63.15%), followed by washbasins, restaurant and coffee shop taps, and hairdresser’s showerhead (31.64%). Therefore, the implementation of two main categories of solutions:...

Variations occurring in coffee beans during roasting are ascribable to several chemical-physical phenomena: to quickly track the whole process and to ensure its reproducibility, a process analytical technology (PAT) approach is needed. In this study, a method combining in-line Fourier transform near-infrared (FT-NIR) spectroscopy and chemometric mo...

Levoglucosan is an anhydrosugar from biomass that has important applications as a platform for obtaining many value-added derivatives with high demand in the chemical industry and bioproducts by fermentation, including biofuels, among others. Thus, the experimental strategy was to intensify the levoglucosan production in the condensable fraction (b...

To evaluate the effect of beverages (coffee, tea, Cola-Cola, and mineral water) on the color stability of resin-based composite (RBC) materials modified with different nanoparticles (NPs). The specimens (70/beverage) were fabricated from light-cured RBCs and divided according to NPs into four groups: one control, unmodified (N0); and three experime...

How human modification of native habitats changes the feeding patterns and nutritional ecology of tropical birds is critical to conserving avian biodiversity, but tropical bird diets are laborious to investigate using the traditional methods of diet analysis. Stable isotope analysis provides a cost-effective and efficient proxy to identify general...

Upstream to downstream activities of organic Arabica coffee in Klungkung Village can cause environmental pollution and have the potential to be a contributor to increased greenhouse gases (GHG) and inefficient use of energy. On the upstream side, Arabica coffee cultivation activities use organic fertilizers, but the type and dosage of organic ferti...

Among the newest trends in dental composites is the use of graphene oxide (GO) nanoparticles to assure better cohesion of the composite and superior properties. Our research used GO to enhance several hydroxyapatite (HA) nanofiller distribution and cohesion in three experimental composites CC, GS, GZ exposed to coffee and red wine staining environm...

Coffee stands out worldwide for being widely traded and consumed. However, this consumption generates a large amount of spent coffee grounds (SCGs) that are typically arbitrarily discarded. This biomass has a high heating value and molecular composition that allows for it to be a raw material for generating heat and energy. The search for renewable...

This study designed a handheld vibrating coffee harvester to improve the mechanized harvesting of Coffea arabica L. The proposed device was used to vibrate branches of Coffea arabica L. trees, and the shedding of coffee fruit and the operation parameters of vibrational harvesting were analyzed. Images captured using high-speed photography were used...

In this work, carbon-supported nickel catalysts with different Ni content (1, 2.5, 5, 10, and 20 wt%) were tested in the oxidation of alpha-pinene in solvent-free reaction conditions. The process of catalyst preparation consisted of two stages. In the first stage, the activated carbon from spent coffee grounds was obtained. In the second stage, the...

The effects of polyphenol-rich extract obtained from non-compliant defatted green coffee beans (dGCBs) on physicochemical and antioxidant properties, as well as on the sensory profile of vacuum-packed pork burgers stored at 4 °C for 14 days and after cooking were assessed. The dGCB extract obtained by means of supercritical water extraction was ana...

This essay analyzes the understudied practice of collecting, marketing, and displaying colonial plant commodities as garden ornaments in nineteenth‐century Britain. From the early modern period onward, British garden writers discussed tobacco, sugarcane, coffee, tea, and other colonial crops in their books and magazines, often citing colonial agric...

Introduction: Cognition refers to brain functions including memory, learning, and thought processing and is increasingly important to individuals. However, impairment of cognitive function is a concern among North American adults. Therefore, effective and reliable treatments are needed. Methods: This randomized, double-blind, placebo-controlled...

This study aimed to analyze the eligibility of e-module and the effectiveness of their use in improving the green skills of vocational students. This research used development research using the ADDIE model (analysis, design, development, implementation, and evaluation). The components of green skills studied in this study include knowledge of the...

Coffee is a popular and much-loved drink in Indonesian society to relieve drowsiness or increase stamina when working. This is because in coffee, there is an active compound, namely caffeine. Although it has benefits, in fact, caffeine will have a negative impact on the body if consumed in excess. The Indonesian National Standard 01-3542-2004 has d...

Coffee berry borer (CBB), Hypothenemus hampei, is a damaging insect pest of coffee worldwide. CBB has recently been introduced to Hawaii, so management techniques are still being developed for sustainable and cost-efficient approaches for the effective control of this pest. Field trials were conducted to evaluate the use of spinetoram on CBB infest...

In Chiapas, Mexico, there are high-yielding coffee plants adapted to the local climatic conditions. The presence of microorganisms in the explants makes developing protocols for cloning these genotypes in vitro difficult. The objective of this work was to evaluate how field and in vitro microorganism management affected asepsis and the induction of...

Comparison of two surface sealants on surface roughness and color stability of a commercially available denture base material. Metallic discs were invested in a denture flask using dental stone to prepare a mold space. The denture base polymer and monomer were mixed in a ratio of 3:1 by volume and processed to form disc disc-shaped specimen. All th...

Postharvest processing of coffee has been shown to impact cup quality. Yeasts are known to modulate the sensory traits of the final cup of coffee after controlled fermentation at the farm. Here, we enumerated native coffee yeasts in a Nicaraguan farm during dry and semidry postharvest processing of Arabica and Robusta beans. Subsequently, 90 endoge...

One of the world’s most popular beverages, coffee is used to satisfy a wide range of consumptions, including tourism. In this article, we examined the existing concepts of coffee consumption and identified additional consumption domains that may contribute to the growing body of knowledge regarding coffee tourism. The paper used a scoping review ap...

The etiologies of Parkinson’s disease (PD) remain unclear. Some, such as certain genetic mutations and head trauma, are widely known or easily identified. However, these causes or risk factors do not account for the majority of cases. Other, less visible factors must be at play. Among these is a widely used industrial solvent and common environment...

In 2019, a coffee chain in Taiwan was found to be mixing relatively cheap Robusta beans into products marketed as 100% Arabica. Many studies show 16-OMC is a remarkable marker to distinguish Robusta from Arabica beans, and nuclear magnetic resonance (NMR) is a convenient and efficient technique for 16-OMC quantification. Here, a 500 MHz NMR was emp...

The global “Specialty Coffee” (SC) market is expected to grow from USD 53.67 Billion in 2021 to USD 152.69 Billion by 2030, at a CAGR of 12.32% during the forecast period 2022-2030. This growth mainly depends on prices coordinating the SC supply chain through information exchange. However, the current coffee price crisis threatens the sustainabilit...

During the Covid-19 pandemic were people could not leave their homes, it was difficult to do gastronomic tourism. This generated a great negative impact on mental health in people, in the same way it had a great reduction in the knowledge of the world gastro-nomic cultural heritage. The objective of this work was to measure the impact of a virtual...

Jambi known as one of the Robusta coffee producing areas in Indonesia. Many of promising Robusta coffee clones were found at coffee plantations in Jambi and have adapted to local agroecosystems. The study aimed to evaluate the quality of Robusta coffee in Merangin Regency, Jambi Province. The exploration and evaluation were carried out in July 2020...

Underlying the dawn of humanity was primarily the search for food and access to drinking water. Over the course of civilization, there has been a significant increase in drinking water quality. By the average of the nutritional standards, the daily water demand is 2.5 L (also including liquid products such as tea, coffee, or soup). However, it is w...

The Tungkal Composite of liberica coffee rejuvenation program at Jambi Province is urgently needed due to the latest status of the plants are old and showing diseased attacked. To support the rejuvenation, the provision of seedlings could be done by tissue culture approach through somatic embryogenesis. This research aimed to study the effect of 2,...

Escherichia coli (E. coli) cells are present in fecal materials that can be the main source for disease‐causing agents in water. As a result, E. coli is recommended as a water quality indicator. We have developed an innovative platform to detect E. coli for monitoring water quality on-site by integrating paper-based sample preparation with nucleic...

Background: To evaluate the effect of different experimental staining procedures on color stability and translucency of a nano-hybrid resin-based composite (RBC). Methods: Forty-eight cylindrical-shaped specimens (10 × 2 mm) were prepared with a nano-hybrid RBC (Clearfil Majesty ES-2) and randomly divided in four groups according to the experime...