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https://www.readbyqxmd.com/read/29323254/genome-wide-association-study-reveals-candidate-genes-influencing-lipids-and-diterpenes-contents-in-coffea-arabica-l
#1
Gustavo C Sant'Ana, Luiz F P Pereira, David Pot, Suzana T Ivamoto, Douglas S Domingues, Rafaelle V Ferreira, Natalia F Pagiatto, Bruna S R da Silva, Lívia M Nogueira, Cintia S G Kitzberger, Maria B S Scholz, Fernanda F de Oliveira, Gustavo H Sera, Lilian Padilha, Jean-Pierre Labouisse, Romain Guyot, Pierre Charmetant, Thierry Leroy
Lipids, including the diterpenes cafestol and kahweol, are key compounds that contribute to the quality of coffee beverages. We determined total lipid content and cafestol and kahweol concentrations in green beans and genotyped 107 Coffea arabica accessions, including wild genotypes from the historical FAO collection from Ethiopia. A genome-wide association study was performed to identify genomic regions associated with lipid, cafestol and kahweol contents and cafestol/kahweol ratio. Using the diploid Coffea canephora genome as a reference, we identified 6,696 SNPs...
January 11, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29310849/fat-burner-induced-acute-liver-injury-case-series-of-four-patients
#2
Aleksandar Gavrić, Marija Ribnikar, Lojze Šmid, Boštjan Luzar, Borut Štabuc
Dietary supplements known as "fat burners" are typically marketed with claims of increasing energy expenditure through alterations in fat metabolism. They are marketed as natural products and their use is thus perceived as a safe body weight reduction strategy. We report on five episodes of liver injury in four patients. Liver injury was associated with consumption of different commercially available fat burners: Green tea extract (Camellia sinensis), Garcinia gummi-gutta, green coffee beans, and spirulina (blue-green algae)...
November 6, 2017: Nutrition
https://www.readbyqxmd.com/read/29287322/mid-infrared-spectroscopy-and-chemometrics-as-tools-for-the-classification-of-roasted-coffees-by-cup-quality
#3
Ana Paula Craig, Bruno G Botelho, Leandro S Oliveira, Adriana S Franca
Sensory (cup) analysis is a reliable methodology for green coffee quality evaluation, but faces barriers when applied to commercial roasted coffees due to lack of information on roasting conditions. The aim of this study was to examine the potential of mid-infrared spectroscopy for predicting cup quality of arabica coffees of different roasting degrees. PCA analysis showed separation of arabica and robusta. A two-level PLS-DA Hierarchical strategy was employed, with coffee being classified as high or low quality in the first level and then separated according to cup quality in the second level...
April 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29236720/topical-use-and-systemic-action-of-green-and-roasted-coffee-oils-and-ground-oils-in-a-cutaneous-incision-model-in-rats-rattus-norvegicus-albinus
#4
Bruno Grosselli Lania, Joseane Morari, Aglécio Luis de Souza, Marilene Neves da Silva, Amanda Roberta de Almeida, Gislaine Veira-Damiani, Sarah Monte Alegre, Carlos Lenz César, Lício Augusto Velloso, Maria Letícia Cintra, Nilson Borlina Maia, Paulo Eduardo Neves Ferreira Velho
INTRODUCTION: Wounds are a common health problem. Coffee is widely consumed and its oil contains essential fatty acids. We evaluated the local (skin) and systemic effects associated with the topical use of coffee oils in rats. METHODS: Punch skin wounds (6 mm) incisions were generated on the backs of 75 rats. Saline (SS), mineral oil (MO), green coffee oil (GCO), roasted coffee oil (RCO), green coffee ground oil (GCGO) or roasted coffee ground oil (RCGO) were topically applied to the wounds...
2017: PloS One
https://www.readbyqxmd.com/read/29232928/beverage-consumption-patterns-among-overweight-and-obese-african-american-women
#5
Terryl J Hartman, Regine Haardörfer, Brenda M Greene, Shruti Parulekar, Michelle C Kegler
The goal of this research was to assess patterns of beverage consumption and the contribution of total beverages and classes of beverages to overall energy intake and weight status. We conducted an analysis in a community-based study of 280 low-income overweight and obese African American women residing in the rural South. Participants provided baseline data including demographic characteristics, weight and two 24-h food and beverage dietary recalls. Mean energy intake from beverages was approximately 273 ± 192 kcal/day or 18...
December 11, 2017: Nutrients
https://www.readbyqxmd.com/read/29215772/impact-of-storage-conditions-on-fungal-community-composition-of-green-coffee-beans-coffea-arabica-l-stored-in-jute-sacks-during-one-year
#6
L M Broissin-Vargas, R Snell-Castro, J J Godon, O González-Ríos, M L Suárez-Quiroz
AIMS: The purpose of this study was to evaluate the effect of warehouse storage conditions on the composition of the fungal community of green coffee beans (GCB) that were stored in jute sacks for one year. METHODS AND RESULTS: Molecular characterization of the fungal community composition and population dynamics obtained by Q-PCR, CE-SSCP (Simpson's diversity index D), and Illumina MiSeq sequencing indicated that Saccharomycetales dominated during the first 6 months of storage period with species as Meyerozyma guilliermondii and Pichia kluyveri...
December 7, 2017: Journal of Applied Microbiology
https://www.readbyqxmd.com/read/29209861/development-of-new-analytical-methods-for-the-determination-of-caffeine-content-in-aqueous-solution-of-green-coffee-beans
#7
Blen Weldegebreal, Mesfin Redi-Abshiro, Bhagwan Singh Chandravanshi
BACKGROUND: This study was conducted to develop fast and cost effective methods for the determination of caffeine in green coffee beans. In the present work direct determination of caffeine in aqueous solution of green coffee bean was performed using FT-IR-ATR and fluorescence spectrophotometry. Caffeine was also directly determined in dimethylformamide solution using NIR spectroscopy with univariate calibration technique. RESULTS: The percentage of caffeine for the same sample of green coffee beans was determined using the three newly developed methods...
December 5, 2017: Chemistry Central Journal
https://www.readbyqxmd.com/read/29207513/methylxanthine-content-in-commonly-consumed-foods-in-spain-and-determination-of-its-intake-during-consumption
#8
Juan M Sanchez
Methylxanthines present psychostimulant effects. These compounds have low toxicity and their consumption at moderate levels presents some beneficial health effects, whereas some significant risk appears at high levels. Samples of common types of methylxanthine-containing beverages and foods consumed in Spain were analyzed to determine their content. Caffeine was the methylxanthine that was most found in the samples investigated. Instant coffees gave the highest caffeine percentage (18-44 mg·g-1). Green and scented teas were found to have a caffeine dry-weight content (8-26 mg·g-1) equivalent to ground coffees (13-23 mg·g-1), but black and pu-erh teas (18-30 mg·g-1) had a higher caffeine content...
December 4, 2017: Foods (Basel, Switzerland)
https://www.readbyqxmd.com/read/29195956/different-inoculation-methods-for-semi-dry-processed-coffee-using-yeasts-as-starter-cultures
#9
Silvia Juliana Martinez, Ana Paula Pereira Bressani, Maria Gabriela da Cruz Pedrozo Miguel, Disney Ribeiro Dias, Rosane Freitas Schwan
This study evaluates the behavior of Saccharomyces (S.) cerevisiae (CCMA 0543), Candida (C.) parapsilosis (CCMA 0544), and Torulaspora (T.) delbrueckii (CCMA 0684) as starter cultures for semi-dry processed coffee using two inoculation methods: (1) direct inoculation and (2) bucket inoculation. The microbial population was evaluated by plating and real-time polymerase chain reaction (qPCR). The microbial metabolic changes of both bucket and direct inoculation methods during fermentation were evaluated using high performance liquid chromatography (HPLC), and gas chromatography-mass spectrometry (GC-MS)...
December 2017: Food Research International
https://www.readbyqxmd.com/read/29194424/functional-foods-and-lifestyle-approaches-for-diabetes-prevention-and-management
#10
REVIEW
Ahmad Alkhatib, Catherine Tsang, Ali Tiss, Theeshan Bahorun, Hossein Arefanian, Roula Barake, Abdelkrim Khadir, Jaakko Tuomilehto
Functional foods contain biologically active ingredients associated with physiological health benefits for preventing and managing chronic diseases, such as type 2 diabetes mellitus (T2DM). A regular consumption of functional foods may be associated with enhanced anti-oxidant, anti-inflammatory, insulin sensitivity, and anti-cholesterol functions, which are considered integral to prevent and manage T2DM. Components of the Mediterranean diet (MD)-such as fruits, vegetables, oily fish, olive oil, and tree nuts-serve as a model for functional foods based on their natural contents of nutraceuticals, including polyphenols, terpenoids, flavonoids, alkaloids, sterols, pigments, and unsaturated fatty acids...
December 1, 2017: Nutrients
https://www.readbyqxmd.com/read/29188858/modest-overweight-and-healthy-dietary-habits-reduce-risk-of-dementia-a-nationwide-survey-in-taiwan
#11
C-Y Lee, Y Sun, H-J Lee, T-F Chen, P-N Wang, K-N Lin, L-Y Tang, C-C Lin, M-J Chiu
BACKGROUND: Evidence of the associations of dietary habits and body mass index with dementia is inconsistent and limited in East Asian countries. OBJECTIVE: We aim to explore the associations of dietary habits and body mass index with the odds of dementia. DESIGN: Cross-sectional observational study. SETTING: A nationwide, population-based, door-to-door, in-person survey. PARTICIPANTS: Selected by computerized random sampling from all 19 counties in Taiwan...
2017: Journal of Prevention of Alzheimer's Disease
https://www.readbyqxmd.com/read/29184222/naturally-occurring-folates-in-selected-traditionally-prepared-foods-in-southern-india
#12
Shyamala Vishnumohan, Russell Pickford, Jayashree Arcot
A wide range of Indian foods (cereals, pulses, vegetables and milk based preparations) were analysed for five folate vitamers naturally present in the foods (n = 44). A liquid chromatography-mass spectrometry (LC-MS/MS) method using reversed phase chromatography and tandem mass spectrometry, coupled via positive mode electrospray ionization was used for the detection and quantification of the vitamers. The optimized LC-MS/MS method was capable of analysing the five most commonly-occurring folates (folic acid, 5-methyl tetrahydrofolic acid, tetrahydrofolic acid, 10-formyl folic acid and 5-formyl tetrahydrofolic acid) in 20 min...
December 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/29177345/bioavailability-of-hydroxycinnamates-in-an-instant-green-roasted-coffee-blend-in-humans-identification-of-novel-colonic-metabolites
#13
Miren Gómez-Juaristi, Sara Martínez-López, Beatriz Sarria, Laura Bravo, Raquel Mateos
Roasting greatly reduces the phenolic content in green coffee beans. Considering the beneficial effects of coffee polyphenols, blends containing green coffee beans are being consumed as a healthier alternative to roasted coffee. This study was aimed at assessing the absorption and metabolism of hydroxycinnamates in an instant green/roasted (35/65) coffee blend in healthy humans. Twelve fasting men and women consumed a cup of coffee containing 269.5 mg (760.6 μmol) of chlorogenic acids. Blood and urine samples were taken before and after coffee consumption at different times and analyzed by LC-MS-QToF...
November 27, 2017: Food & Function
https://www.readbyqxmd.com/read/29150258/a-spent-coffee-grounds-based-biorefinery-for-the-production-of-biofuels-biopolymers-antioxidants-and-biocomposites
#14
REVIEW
Sanjib Kumar Karmee
Spent coffee grounds are composed of lipid, carbohydrates, carbonaceous, and nitrogen containing compounds among others. Using n-hexane and n-hexane/isopropanol mixture highest oil yield was achived during soxhlet extraction of oil from spent coffee grounds. Alternatively, supercritical carbon dioxide can be employed as a green solvent for the extraction of oil. Using advanced chemical and biotechnological methods, spent coffee grounds are converted to various biofuels such as, biodiesel, renewable diesel, bioethanol, bioethers, bio-oil, biochar, and biogas...
November 14, 2017: Waste Management
https://www.readbyqxmd.com/read/29146374/formation-kinetics-of-furfuryl-alcohol-in-a-coffee-model-system
#15
Abdullatif Albouchi, Michael Murkovic
The production of furfuryl alcohol from green coffee during roasting and the effect of multiple parameters on its formation were studied employing HPLC-DAD. Results show that coffee produces furfuryl alcohol in larger quantities (418µg/g) compared to other beans or seeds (up to 132µg/g) roasted under the same conditions. The kinetics of furfuryl alcohol production resemble those of other process contaminants (e.g., HMF, acrylamide) produced in coffee roasting, with temperature and time of roasting playing significant roles in quantities formed...
March 15, 2018: Food Chemistry
https://www.readbyqxmd.com/read/29138635/nmr-confirmation-and-hplc-quantification-of-javamide-i-and-javamide-ii-in-green-coffee-extract-products-available-in-the-market
#16
Jae B Park
Javamide-I/javamide-II are phenolic amides found in coffee. Recent reports suggested that they may contain several biological activities related to human health. Therefore, there is emergent interest about their quantities in coffee-related products. Green coffee extract is a powder extract made of unroasted green coffee beans, available as a dietary supplement. However, there is little information about the amounts of javamide-I/javamide-II in green coffee extract products in the market. Therefore, in this paper, javamide-I/javamide-II were extracted from green coffee extract products and their identifications were confirmed by NMR...
2017: International Journal of Analytical Chemistry
https://www.readbyqxmd.com/read/29108581/identification-of-coffee-leaves-using-ft-nir-spectroscopy-and-simca
#17
Corenthin Mees, Florence Souard, Cedric Delporte, Eric Deconinck, Piet Stoffelen, Caroline Stévigny, Jean-Michel Kauffmann, Kris De Braekeleer
Abundant literature has been devoted to coffee beans (green or roasted) chemical description but relatively few studies have been devoted to coffee leaves. Given the fact that coffee leaves are used for food and medicinal consumption, it was of interest to develop a rapid screening method in order to identify coffee leaves taxa. Investigation by Fourier - Transform near infrared spectroscopy (FT-NIRS) was performed on nine Coffea taxa leaves harvested over one year in a tropical greenhouse of the Botanic Garden Meise (Belgium)...
January 15, 2018: Talanta
https://www.readbyqxmd.com/read/29084127/green-coffee-been-exposure-and-symptoms-in-dock-workers-in-trieste-italy
#18
Anna Gasperazzo, Paolo Toffanin, Francesca Larese Filon
BACKGROUND: Green coffee workers can develop allergic symptoms due to green coffee beans (GCB) or to castor bean (CB) that can contaminate sacks used for the transportation. Data are limited in literature and a previous study performed in Trieste demonstrated allergic symptoms in 14.3% of dockworkers handling GCB. OBJECTIVES: To evaluate symptoms and exposure to GCB ultrafine particles in Trieste dockworkers. METHODS: Workers involved in GCB sacks transportation, storage and opening were asked to fill out a questionnaire on allergic respiratory symptoms...
October 27, 2017: La Medicina del Lavoro
https://www.readbyqxmd.com/read/29080460/chlorogenic-acid-cga-a-pharmacological-review-and-call-for-further-research
#19
REVIEW
Muhammad Naveed, Veghar Hejazi, Muhammad Abbas, Asghar Ali Kamboh, Ghulam Jilany Khan, Muhammad Shumzaid, Fawwad Ahmad, Daryoush Babazadeh, Xia FangFang, Faezeh Modarresi-Ghazani, Li WenHua, Zhou XiaoHui
Phenolic acids have recently gained substantial attention due to their various practical, biological and pharmacological effects. Chlorogenic Acid (CGA, 3-CQA) is a most abundant isomer among caffeoylquinic acid isomers (3-, 4-, and 5-CQA), that currently known as 5-CQA as per guidelines of IUPAC. It is one of the most available acids among phenolic acid compounds which can be naturally found in green coffee extracts and tea. CGA is an important and biologically active dietary polyphenol, playing several important and therapeutic roles such as antioxidant activity, antibacterial, hepatoprotective, cardioprotective, anti-inflammatory, antipyretic, neuroprotective, anti-obesity, antiviral, anti-microbial, anti-hypertension, free radicals scavenger and a central nervous system (CNS) stimulator...
January 2018: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/29076523/coffee-and-green-tea-consumption-and-subsequent-risk-of-acute-myeloid-leukemia-and-myelodysplastic-syndromes-in-japan
#20
Tomotaka Ugai, Keitaro Matsuo, Norie Sawada, Motoki Iwasaki, Taiki Yamaji, Taichi Shimazu, Atsushi Goto, Manami Inoue, Yoshinobu Kanda, Shoichiro Tsugane
Although coffee and green tea are suggested to reduce the risk of some types of cancers, only a few epidemiological studies have investigated their effect on the risk of acute myeloid leukemia (AML) and myelodysplastic syndromes (MDS). Here, we investigated the association of coffee and green tea consumption and the risk of AML and MDS in a large-scale population-based cohort study in Japan. A total of 95,807 Japanese subjects (45,937 men and 49,870 women; age 40-69 years at baseline) were followed to the end of 2012, for an average of 18 years...
October 27, 2017: International Journal of Cancer. Journal International du Cancer
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