Coffee - Science topic

Dissolved organic carbon (DOC) with a humic acid-like composition is a very important component of biochar in agricultural production applications. DOC extraction from biochar derived from coffee husks at different pyrolysis temperatures using a KOH solution was performed. The investigated parameters of the DOC extraction process included biochar p...

Resumen La presente investigación analiza los factores determinantes en la producción cafetalera de la provincia de La Convención (Cusco, Perú) durante 2015-2024. Mediante una metodología descriptiva, se desarrolla un análisis cuantitativo de series temporales de producción y precios, complementado con una evaluación cualitativa de variables socio-...

The purpose of this research is to analyze the influence of marketing capabilities and brand reputation on competitive advantage and brand loyalty among Tomoro Coffee customers in Surabaya. This study employs a quantitative research design using a cross-sectional method. The sample used in this research consisted of 100 respondents who are Tomoro C...

Objective. The aim of this study was to assess the effect of different polishing systems on the color stability of bioactive dental resin composites compared to a conventional composite. Materials and Methods. Two different bioactive dental resin composites (Beautifil Flow Plus F00 and Activa Presto) along with a nanohybrid composite (Filtek Z250 X...

This research investigates the socio-cultural and psychological dimensions of coffee culture in Buraidah, Al Qassim, revealing its pivotal role as both a stimulant and a facilitator of social interaction. The implications of this study extend beyond local contexts, suggesting that coffee culture can stimulate sustainable economic practices while re...

The earliest prehistoric investigations on the Island were conducted by E.E.Green from Peradeniya and Nawalapitiya areas in 1885. Subsequently, other researchers documented the occurrence of prehistoric tools in the Districts of Matale, Kandy, and Nuwara Eliya and other areas. Commonly, the evidence was found in high-altitude caves and open-air sit...

Sodium-ion batteries (SIBs) offer several advantages over traditional lithium-ion batteries, including a more uniform sodium distribution, lower-cost materials, and safer transportation options. A promising development in SIBs is the use of hard carbons as anode materials due to their low insertion voltage and larger interlayer spacing, which impro...

Nicotine is one of our most toxic poisons that is readily available in corner stores, groceries and gas stations. As little as 60 mg of nicotine can cause death, yet it seems to be ignored by forensic laboratories and investigating agencies, due in part to the minimizing of nicotine's toxicity by large international tobacco firms. On social media n...

Background Coffee is a physiologically active food component prevalent throughout the world, but the association between caffeine intake and benign prostatic hyperplasia (BPH) has been limited in extensive epidemiological studies. Methods We conducted a cross-sectional study to evaluate the association between caffeine intake and BPH in adults in...

Saprobic fungi are known for their critical role in decomposition and nutrient cycling. The study of saprobic fungi is equally important, as it helps in understanding their ecological roles and identifying their hidden diversity. This study focused on saprobic fungi on Aquilaria , which is poorly studied compared to economically important hosts lik...

The Central Highland region constitutes a significant area in the historical and archaeological landscape of Sri Lanka. It encompasses a rich tapestry of archaeological sites that span various techno-cultural phases, thereby offering invaluable insights into the historical evolution of the region. Particularly, the Sindurankanda area serve as a com...

The aim of this study was to treat tannery wastewater by using activated carbon derived from coffee husk to effectively remove total dissolved solids (TDS) and chloride ions. The tannery’s wastewater discharged to the environment is often untreated or partially treated. Due to the current worldwide water shortage, it is essential to develop sustain...

This paper explores correlation dynamics among agricultural commodities, crucial for risk mitigation and portfolio management, particularly within volatile soft commodities. Previous studies have found a significant increase in correlations among soft commodities, with corn found to exhibit the largest correlation with other commodities Recently, s...

Despite Ethiopia is endowed with diverse genetic base for the Arabica coffee and is the center of origin, there length of the longest primary branch, number of main stem nodes, stem girth, internode length on the main stem, canopy The study result revealed that total yield per hectare was higher for promising hybrid 75227x1681 (3491 Kg/ha) follow...

Soxhlet extraction is a method recommended by the Association of Official Analytical Chemists (AOAC) to determine the lipid content in plant samples. Generally, n-hexane (toxicity grade 5) is used as the solvent (≈300 mL; ≈30 g sample) at boiling temperatures (69 °C) for long times (≤16 h) under a chilled water reflux (≈90 L/h), proportionally aggr...

Discover the secrets to keeping your instant coffee fresh for longer. Learn proper storage tips, how to avoid moisture and oxidation, and the versatility of Atlantis instant coffee premixes for both manual and vending machine use.

Global supply chains, especially in commodity trading, are plagued by fragmentation, lack of transparency, and trust deficits among participants. These issues lead to inefficiencies, increased costs, and an over-reliance on intermediaries. The present Communication describes a blockchain-based platform that leverages Self-Sovereign Identity (SSI) a...

This study aims to optimize the marketing communication strategy employed by PT. Tala Bumi Group, a startup in the food and beverage (F&B) franchise industry. This sector has been experiencing rapid growth in Indonesia, driven by a rising population and increased market demand. However, the coffee shop segment faces significant challenges due to he...

Aims: The aim of this study is to evaluate the color stability of composite resin materials subjected to different polishing systems when exposed to commonly consumed beverages. Methods: In this study, four different composite polishing systems (Zenit, 3M Sof-Lex, Sofu, Kerr) and three types of beverages (Nescafé 3-in-1, Lipton tea bags, and distil...

Background: Hypertension is a common chronic disease. It can aggravate the risk of cardiovascular disease, stroke, kidney disease, etc., affecting people's health. Caffeine is a natural ingredient in many foods and beverages, which is more prevalent in people's daily intake. It is thought to have a possible effect on blood pressure. However, there...

Analizar los procesos de inclusión de las juventudes, las escalas en que se definen, así como las aspiraciones de las personas jóvenes en una cooperativa de primer nivel del Soconusco, Chiapas, es el objetivo de la investigación. Para este propósito se entrevistó a hijos e hijas de socios de una cooperativa de café. Se utilizaron herramientas de la...

The objective of this work is to perform agrometeorological-spectral monitoring of coffee crops in the municipality of Cacoal, Rondônia State, Brazil, considering the harvests from 2021 to 2023, based on remote sensing data. We used time series from August 2020 to August 2023 of EVI images of the Modis/Aqua, in order to analyze the biomass of coffe...

ABSTRAK Kabupaten Bondowoso merupakan produsen kopi robusta terbesar ke-4 di Jawa Timur. Budidaya kopi Bondowoso tersebar di Kawasan lereng pegunungan Ijen Raung dan Argopuro. Salah satu Lokasi yang menjadi sentra kopi robusta adalah desa Curahpoh kecamatan Curahdami. Namun, jumlah produksi kopi di Kabupaten Bondowoso masih mengalami penurunan. Sal...

Background We aimed to investigate the association between maternal caffeine intake during pregnancy and asthma in children by 10 years of age. Methods We considered 5585 mother–child pairs enrolled in a population‐based birth cohort. Consumption of regular and decaffeinated coffee, black and green tea, and cola beverages before and during pregnan...

Various human activities require alternatives to replace activities such as making coffee drinks by providing automatic coffee drink makers. Automatic coffee makers require an accurate water heating system, while the water used to brew coffee drinks is not less than 80ºC and not more than 85ºC. This research designs a water heating system using an...

Gastric cancer, a prevalent malignant tumor worldwide, poses a significant challenge to global health. Despite ongoing advancements in treatment methods, its high incidence and mortality rates remain concerning. Although progress in treating gastric cancer is encouraging, a more critical focus is on enhancing prevention efforts. Understanding the r...

Background The role of coffee and tea intake in dementia prevention remains inconclusive across studies. Method We included 6,001 Health and Retirement Study (HRS) participants (67.5±10.0 years old, 59.0% female) without dementia at baseline and followed them until 2020. Coffee and tea intake (including caffeinated and decaffeinated coffee and tea...

Coffee yield exhibits plant-level variability; however, due to operational issues, especially in smaller operations, the scouting and management of coffee yields are often hindered. Thus, a cell-size approach at the field level is proposed as a simple and efficient solution to overcome these constraints. This study aimed to present the feasibility...

In response to increasing food waste and the necessity for sustainable resource utilization, this study evaluated the effectiveness of black soldier fly (Hermetia illucens) larvae in converting a mixture of coffee and meat residues into protein-rich meal suitable for animal feed. A two-component mixture design optimized the substrate composition, f...

Background Worldwide, coffee and tea are two of the most popular beverages consumed. Studies have suggested a protective role of coffee and tea, including reduced risk of Alzheimer’s disease. However, longitudinal data from large cohorts of older adults reporting associations of coffee and tea intake with cognitive decline is limited. Method Cogni...

Agriculture is vital for providing food and economic benefits, but crop diseases pose significant challenges, including coffee cultivation. Traditional methods for disease identification are labor-intensive and lack real-time capabilities. This study aims to address existing methods’ limitations and provide a more efficient, reliable, and cost-effe...

Coffee is an agricultural product highly favored by the majority of the Indonesian population. Coffee comes in various types, each with a distinct aroma. Currently, differentiating coffee types relies on conventional methods, using the human nose, which is shubjective and dependent on individual conditions. This approach is less effective. To addre...

Coffee contains several bioactive compounds, such as alkaloids and phenolic compounds, which contribute to its flavor and are influenced by the brewing method. The differences in coffee compounds based on brewing conditions have been studied in previous research, but no studies have yet utilized orbitrap mass spectrometry for this purpose. This stu...

The aim of the current investigation to estimate the amount of theobromine (THEOB), theophylline (THEOP) and caffeine (CAF) concurrently using ultra performance liquid chromatography with photo diode array detector (UPLC-PDA) in ultrasound assisted extract of commercially available food products. The commercially available products are categorized...

Introduction: water is a crucial component of human health useful for various bodily functions. Despite its importance, previous research has largely overlooked hydration in Latin America, focusing instead on regions with greater access to a variety of food sources. Objective: hence, this study provides comprehensive data on water consumption patte...

This research analyzes the business strategy of Kopi Kenangan using Porter’s Five Forces framework to understand the competitive dynamics in Indonesia’s grab-and-go coffee industry. Utilizing a desk research approach, secondary data from various sources were processed and qualitatively analyzed. The results show that Kopi Kenangan has leveraged bra...

This study looks into the effects of modern and traditional coffeeshops on the mental health of customers in the Saudi Arabian province of Al Qassim, with a focus on the cities of Buraydah and Unaizah. The proliferation of diverse coffeeshop kinds has resulted in the emergence of each giving a distinct experience and atmosphere. Understanding the i...

This study introduces an innovative approach to high-resolution latent fingerprint detection using carbon quantum dots (CQDs) biosynthesized from spent coffee grounds, enhanced with nitrogen doping. Conventional fingerprinting methods frequently use hazardous chemicals and are costly, highlighting the need for eco-friendly, affordable alternatives...

Hyperglycemia is an uncontrolled condition of DM in the body, which causes a decrease in cell functions due to an increase in free radicals (ROS). This study explored the effects of Chlorogenic Acid found in coffee on mitigating MDA levels and augmenting testosterone in the context of Diabetes Mellitus (DM). Chlorogenic Acid, recognized for its sub...

A highly practical Schiff base fluorescent probe, (E)-3-amino-N’-((7-(diethylamino)-2-oxo-2 H-chromen-3-yl)methylene)thiophene-2-carbohydrazide (M), with a facile synthetic route has been successfully developed. M has been utilized for the specific detection of Cu²⁺ in THF/H2O Tris buffer solution (v/v = 9:1, 0.01 M, pH = 7.4) via the fluorescence...

Liberica coffee (Coffea liberica) thrives on peat soil, unlike Arabica and Robusta, making it an essential commodity in Jambi, Indonesia, where it is known as Liberika Tungkal Komposit (Libtukom) and serves as a primary livelihood. This low-caffeine coffee has a higher economic value than high-caffeine varieties. Adding spices such as temulawak (Cu...

The purpose of this study was to explore structural relationships among customer experience, customer satisfaction, advocacy and repurchase intentions—with emphasis on the mediating effect of tourist satisfaction on relations (1) between customer experience and customer advocacy and (2) between customer experience and repurchase intentions—in the c...

With the rapid advancement of the Internet and the advent of the new retail era, customer behaviour and perceptions are undergoing significant changes. The coffee market, as an emerging consumption domain, is demonstrating a rapid growth trend in China. Against this backdrop, Starbucks, a globally renowned coffee chain brand, is encountering unprec...

Objective This study aimed to evaluate the in vitro effects of coffee exposure on the color and roughness of conventional and bulk-fill resin composites, with and without surface pre-reacted glass-ionomer (S-PRG) filler. Methodology Forty-eight cylindrical samples (Ø6 mm × 2 mm) were prepared and categorized as follows (n = 12 per group): conventi...

In today's increasingly diversified consumer concept, with the rapid development of the market economy and the increasing diversification of consumer demands, cross-border brand collaboration has become one of the important strategies for enterprises to seek differentiated competitive advantages and expand market share. As an important force in the...

Gender programing is now a major pillar in combating gender inequality and promoting female empowerment. However, interfering with local gender systems and altering gender norms may be ineffective, perhaps triggering severe consequences for women if it neglects female realities and needs. Nascent research on agricultural fem-ininities is still unde...

Penelitian ini bertujuan untuk menganalisis pengaruh pengalaman merek (brand experience), kualitas produk (product quality), dan reputasi merek (brand reputation) terhadap kepercayaan merek (brand trust) dalam membentuk loyalitas merek (brand loyalty). Dengan menggunakan pendekatan kuantitatif, data dikumpulkan melalui kuesioner dari 250 responden...

A sustainable biosorbent, silver nanoparticles-decorated coffee-ground waste (CWAg), was synthesized through a simple in-situ reduction method. CWAg is extensively characterized via SEM–EDX, PZC, FTIR, XRD, HR-TEM, and XPS analyses. The biosorbent was tested to remove chromium (Cr(VI)) and methylene blue (MB) from wastewater, and its antibacterial...

Although Japanese Brazilians have constituted a key immigrant group since their arrival in 1908, the community has been relatively underrepresented in Brazilian literature. Given the linguistic and often physical isolation of Japanese immigrants and their descendants in Brazil, their literary portraits have differed from representations of prominen...

Potassium (K) plays a key role in biomass combustion as its presence in the gas phase may lead to slagging, agglomeration and corrosion. To facilitate feedstock flexibility, a detailed understanding of the K chemistry during solid fuel conversion is needed. Here, we present photofragmentation laser absorption imaging for simultaneous, quantitative...

This research explores the response to the global supply chain and the growth of local coffee Micro, Small and Medium Enterprises (MSMEs) in Indonesia as a result of the boycott movement against the international brand, Starbucks. By using quantitative methods and a case study approach, as well as analyzing financial reports and sales data, this re...

The study found a significant causal relationship between coffee intake and obsessive‐compulsive disorder, showing a negative correlation. There was no causal relationship between coffee intake and other mental disorders. The sensitivity analysis test found no pleiotropy affecting the results, and no single nucleotide polymorphism had a major impac...

Purpose Management zones (MZs) are the subdivision of a field into a few contiguous homogeneous zones to guide variable-rate application. Delineating MZs can be based on geostatistical or clustering approaches, however, the joint use of these approaches is not usual. Here, we show a joint use of both techniques. The objective of this manuscript is...

With the upgrading of consumption and the improvement of living standards in China, the coffee industry has encountered unprecedented growth opportunities. According to relevant reports, the market size of freshly brewed coffee in China has exceeded 100 billion yuan, showing strong growth momentum. This provides vast development space for coffee ch...

Since the 20th century, China's national economy has continued to improve, the people's quality of life has taken a leap forward, coffee has become a popular consumption, and the coffee market has shown unprecedented potential. In the face of such a large and dynamic market, many local coffee brands have emerged in an attempt to seize the market sh...

Hypothenemus hampei Ferrari, 1867, is a globally significant pest of coffee (Coffea spp.). Genetic information about H. hampei from various locations, including countries in America, Africa, and Asia (Java, Indonesia), is available. However, the data has yet to be available for Sumatra. This research aims to study the genetic population of H. hampe...

The cross-border cooperation between Luckin Coffee and Maotai is a typical case of this strategy. By constructing a theoretical model including cross-border marketing, dynamic capabilities and conditional variables, and adopting the case study method, this study investigates the role of positioning in cross-border marketing and its impact on corpor...

Aim This study evaluated the color stability and surface roughness of two universal-shade compared to two nanohybrid composites after staining and external bleaching with 40% hydrogen peroxide. Methods Two universal shade resin-based composites and two nanohybrid composites were tested. Twenty disc-shaped specimens from each material were fabricat...

Climate change events are becoming a global issue affecting the agricultural sector. Climate change can reduce crop productivity, including coffee plants, especially in tropical areas that are sensitive to weather fluctuations. Climate change also affects the prevalence of diseases and pests that attack coffee plants. Increased temperatures can acc...

Kualitas tidur yang buruk dapat memengaruhi kejadian excessive daytime sleepiness (EDS). Kejadian EDS merupakan kantuk yang berlebihan pada siang hari . Tujuan: Penelitian ini bertujuan untuk mengidentifikasi hubungan antara kualitas tidur dan kejadian EDS pada perawat. Metode: Penelitian kuantitatif dengan desain analitik korelasional cross sectio...

Hydrodynamic cavitation (HDC) as a pre-treatment method is innovative and has potential for wide-scale industrial applications. The novelty of this research involves evaluating the enzymatic activity in the anaerobic co-digestion (AcD) of hydrodynamically cavitated coffee waste (CW) and municipal sewage sludge (SS) as well as its influence on the A...

Modern society is facing an increasing trend of social isolation, as people increasingly rely on social media for interaction instead of face-to-face communication. This lack of in-person contact often leads to feelings of loneliness and disconnection. This study proposes the concept of a mobile application, CoffeeBreak, designed to counteract thes...

The focus of this study is the strategy of Costa Coffee in the Chinese market through its endeavor to analyze the extent to which this brand adapted product offerings to suit local consumers' preferences. This research seeks to establish the degree to which the offerings of Costa Coffee, differentiated for the local market, would influence the choi...

Coffee is an important plantation commodity for the Indonesian economy. However, coffee production has decreased due to low soil fertility. One effort to increase soil fertility is by applying Biopore Infiltration Hole. This study aimed to examine the effect of biopore on nutrient availability in coffee leaves (Coffea canephora) and soil in Jatiker...

In recent years, influencer-driven coffee shops have become a prominent trend in the food and beverage industry. The trend involves brands capitalizing on the growing influence of social media platforms. The different establishments are not only selling coffee but also creating a lifestyle brand that appeals to the millennial and Gen Z markets. The...

One strategy for adding unique characteristics and flavors to improve coffee quality is the selection of starter microorganisms. Here, we aimed to evaluate the effect of Saccharomyces cerevisiae LNFCA11 and Kluyveromyces lactis B10 as starter cultures on the quality of four different wet-fermented coffee varieties. Microbiological, molecular, and c...

Background Subtle changes in naturalistic language have been associated with cognitive abilities in older adults. This study explored script generation as a method for detection of mild cognitive impairment (MCI). Differences in human‐coded speech analysis of scripts were examined between MCI vs. Healthy Controls. Method 79 older adults aged 65+ (...

This study examines at how Malaysian consumers' decisions to buy on social media platforms are influenced by brand perception and product quality. Understanding the factors influencing consumer purchasing decision is essential for businesses to stay competitive given Malaysia's tremendous growth in social media and e-commerce. This study uses a qua...

Objective: To describe the cultivation systems of C. elegans through the analysis of production and commercialization in three municipalities in the high mountain region of Veracruz, Mexico. Design/Methodology/Approach: The study was conducted in Tepatlaxco, Zongolica, and Omealca, Veracruz, Mexico. From January to July 2022, a survey was administe...

The escalating environmental challenges posed by different waste sources, including agricultural residues and industrial byproducts, necessitate innovative solutions for waste utilization. Converting waste into valuable resources offers a sustainable approach to mitigating pollution and conserving natural resources. Driven by the urgent need for ec...

Xylella fastidiosa subsp. Pauca causes Coffee Leaf Scorch (CLS). It is a major threat to coffee production in most South and Central American countries. X. fastidiosa is prone to intersubspecific recombination, and it is believed that this species became pathogenic in citrus and coffee due to recent mutation events and gene flow between closely rel...

The effect of work content on workload, stress, and performance was not well addressed in the literature, due to the lack of comprehensive conceptualization, problem definition, and relevant dataset. The gap between laboratory-simulated studies and real-life working conditions delays the generalization, hindering the development of performance mana...