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https://www.readbyqxmd.com/read/28725904/cellular-antioxidant-methylglyoxal-trapping-and-anti-inflammatory-activities-of-cocoa-tea-camellia-ptilophylla-chang
#1
Xiong Gao, Xiaorong Lin, Xiaofei Li, Yuanyuan Zhang, Zhongzheng Chen, Bin Li
Cocoa tea (Camellia ptilophylla Chang) is a naturally low caffeine-containing but gallocatechin gallate (GCG)-rich tea cultivar, though its biological activities have not been extensively explored. Herein, we evaluated the in vitro cellular antioxidant, methylglyoxal trapping, and anti-inflammatory activities of water extract of green tea from cocoa tea (CWE) and Yunnan Daye tea (Camellia sinensis) (YWE), and their predominant bioactive components GCG and epigallocatechin gallate (EGCG) for comparative purposes...
July 20, 2017: Food & Function
https://www.readbyqxmd.com/read/28720955/crystallinity-properties-and-crystallization-behavior-of-chocolate-fat-blends
#2
Thais Lomonaco Teodoro da Silva, Renato Grimaldi, Guilherme Andrade Calligaris, Lisandro Pavie Cardoso, Lireny Aparecida Guaraldo Gonçalves
Cocoa butter (CB) provides unique crystallization characteristics to chocolates and confectionary products; hence, it is an important value-add product. However, other alternative fats that minimally affect the crystallization behaviour of chocolates and confectionary products are now being increasingly used. This study analyzed the crystallization behaviour of CB, cocoa butter substitutes (CBSs), and their blends. Blends were prepared using CBS concentrations: 5, 10, 15, 20 and 37.5%. CB, CBS, and their blends were evaluated by following analysis: solid fat content, isothermal analysis, polarized light microscopic, thermal behaviour, X-ray diffraction and consistency...
June 2017: Journal of Food Science and Technology
https://www.readbyqxmd.com/read/28702458/cocoa-diet-and-antibody-immune-response-in-preclinical-studies
#3
REVIEW
Mariona Camps-Bossacoma, Malen Massot-Cladera, Mar Abril-Gil, Angels Franch, Francisco J Pérez-Cano, Margarida Castell
The ability of cocoa to interact with the immune system in vitro and in vivo has been described. In the latter context, a cocoa-enriched diet in healthy rats was able to modify the immune system's functionality. This fact could be observed in the composition and functionality of lymphoid tissues, such as the thymus, spleen, and lymph nodes. Consequently, immune effector mechanisms, such as antibody synthesis, were modified. A cocoa-enriched diet in young rats was able to attenuate the serum levels of immunoglobulin (Ig) G, IgM, and IgA and also the intestinal IgM and IgA secretion...
2017: Frontiers in Nutrition
https://www.readbyqxmd.com/read/28696923/whole-genome-sequence-of-the-heterozygous-clinical-isolate-candida-krusei-81-b-5
#4
Christina A Cuomo, Terrance Shea, Bo Yang, Reeta Rao, Anja Forche
Candida krusei is a diploid, heterozygous yeast that is an opportunistic fungal pathogen in immunocompromised patients. This species also is utilized for fermenting cocoa beans during chocolate production. One major concern in the clinical setting is the innate resistance of this species to the most commonly used antifungal drug fluconazole. Here we report a high-quality genome sequence and assembly for the first clinical isolate of C. krusei, strain 81-B-5, into 11 scaffolds generated with PacBio sequencing technology...
July 10, 2017: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/28691541/effects-of-hazelnuts-and-cocoa-on-vascular-reactivity-in-healthy-subjects-a-randomised-study
#5
Michela Adamo, Antonio Maria Labate, Anna Ferrulli, Concetta Macrì, Ileana Terruzzi, Livio Luzi
Cocoa helps maintain endothelium-dependent vasodilation; consumption of hazelnuts has been associated with reduced cardiovascular disease risk. This study assesses the effects of hazelnuts and cocoa on vascular reactivity and metabolic profile. Sixty-one healthy volunteers, examined in a randomised, controlled, two-week intervention, received one of six breakfast integrations containing either hazelnuts, cocoa, both or none. Consumption of unpeeled hazelnuts improved HDL-cholesterol (+7.3%, p = .01 vs. baseline, p = ...
July 9, 2017: International Journal of Food Sciences and Nutrition
https://www.readbyqxmd.com/read/28683423/heavy-metal-accumulation-in-leaves-and-beans-of-cacao-theobroma-cacao-l-in-major-cacao-growing-regions-in-peru
#6
Enrique Arévalo-Gardini, Cesar O Arévalo-Hernández, Virupax C Baligar, Zhenli L He
Peru is one of the leading exporters of organic cacao beans in the world. However, the accumulation of heavy metals in cacao beans represents a problem for cocoa bean export and chocolate quality. The aim of this study was to investigate the distribution and accumulation of heavy metals in cacao leaves and cocoa beans in three major cacao growing regions of Peru. The study was conducted in cacao plantations of 10 to 15years old in three regions of Peru: North (Regions of Tumbes, Piura, Cajamarca, and Amazonas); Center (Regions of Huánuco and San Martin) and South (Junin and Cuzco)...
July 3, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28682071/comprehensive-chemical-fingerprinting-of-high-quality-cocoa-at-early-stages-of-processing-effectiveness-of-combined-untargeted-and-targeted-approaches-for-classification-and-discrimination
#7
Federico Magagna, Alessandro Guglielmetti, Erica Liberto, Stephen E Reichenbach, Elena Allegrucci, Guido Gobino, Carlo Bicchi, Chiara Cordero
This study investigates chemical information of volatile fractions of high-quality cocoa (Theobroma cacao L. Malvaceae) from different origins (Mexico, Ecuador, Venezuela, Columbia, Java, Trinidad, and Sao Tomè) produced for fine chocolate. This study explores the evolution of the entire pattern of volatiles in relation to cocoa processing (raw, roasted, steamed, and ground beans). Advanced chemical fingerprinting (e.g., combined untargeted and targeted fingerprinting) with comprehensive two-dimensional gas chromatography coupled with mass spectrometry allows advanced pattern recognition for classification, discrimination, and sensory-quality characterization...
July 18, 2017: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/28649251/cocoa-and-dark-chocolate-polyphenols-from-biology-to-clinical-applications
#8
REVIEW
Thea Magrone, Matteo Antonio Russo, Emilio Jirillo
It is well known that cocoa and dark chocolate possess polyphenols as major constituents whose dietary consumption has been associated to beneficial effects. In fact, cocoa and dark chocolate polyphenols exert antioxidant and anti-inflammatory activities switching on some important signaling pathways such as toll-like receptor 4/nuclear factor κB/signal transducer and activator of transcription. In particular, cocoa polyphenols induce release of nitric oxide (NO) through activation of endothelial NO synthase which, in turn, accounts for vasodilation and cardioprotective effects...
2017: Frontiers in Immunology
https://www.readbyqxmd.com/read/28646871/coffee-and-caffeine-intake-and-male-infertility-a-systematic-review
#9
REVIEW
Elena Ricci, Paola Viganò, Sonia Cipriani, Edgardo Somigliana, Francesca Chiaffarino, Alessandro Bulfoni, Fabio Parazzini
BACKGROUND: Semen quality, a predictor of male fertility, has been suggested declining worldwide. Among other life style factors, male coffee/caffeine consumption was hypothesized to influence semen parameters, but also sperm DNA integrity. To summarize available evidence, we performed a systematic review of observational studies on the relation between coffee/caffeine intake and parameters of male fertility including sperm ploidy, sperm DNA integrity, semen quality and time to pregnancy...
June 24, 2017: Nutrition Journal
https://www.readbyqxmd.com/read/28646332/a-rational-approach-for-the-improvement-of-biomass-production-and-lipid-profile-in-cacao-cell-suspensions
#10
Adriana María Gallego Rúa, Luisa Fernanda Rojas, Aura Ines Urrea Trujillo, Oriana Parra Zuleta, Cristian David Correa Alvarez, Lucía Atehortúa Garcés
Cocoa butter (CB) is produced in the seeds of Theobroma cacao representing 50% of its dry weight. The lipid composition plays an important role in the physicochemical, rheological, and sensory properties of the CB, making this fat a valuable resource for the production of chocolates, cosmetics, and pharmaceuticals. In this paper, are described experimental strategies used for a rational improvement of biomass production and fatty acids in cacao cell suspension cultures. First, the lipid profile in four cacao varieties is characterized, and then, one variety is selected to induce cell suspensions using a direct method without previous establishment of a callus phase...
June 23, 2017: Bioprocess and Biosystems Engineering
https://www.readbyqxmd.com/read/28645636/theobromine-does-not-affect-postprandial-lipid-metabolism-and-duodenal-gene-expression-but-has-unfavorable-effects-on-postprandial-glucose-and-insulin-responses-in-humans
#11
Lotte Smolders, Ronald P Mensink, Mark V Boekschoten, Rogier J J de Ridder, Jogchum Plat
BACKGROUND & AIMS: Chocolate consumption is associated with a decreased risk for CVD. Theobromine, a compound in cocoa, may explain these effects as it favorably affected fasting serum lipids. However, long-term effects of theobromine on postprandial metabolism as well as underlying mechanisms have never been studied. The objective was to evaluate the effects of 4-week theobromine consumption (500 mg/day) on fasting and postprandial lipid, lipoprotein and glucose metabolism, and duodenal gene expression...
June 10, 2017: Clinical Nutrition: Official Journal of the European Society of Parenteral and Enteral Nutrition
https://www.readbyqxmd.com/read/28643911/effects-of-cocoa-enriched-diet-on-orofacial-pain-in-a-murine-model
#12
L N Bowden, E L Rohrs, K Omoto, P L Durham, L S Holliday, A D Morris, K D Allen, R M Caudle, J K Neubert
OBJECTIVES: To investigate and discuss the effects of cocoa on orofacial pain. SETTING AND SAMPLE POPULATION: The Department of Orthodontics at the University of Florida (UF). Male and female hairless rats (N=20/group) were tested. MATERIALS AND METHODS: Rats were tested using the Orofacial Pain Assessment Device (OPAD) before and after changing their food from the standard chow to a cocoa-enriched or control-equivalent diet. RESULTS: Male rats fed the cocoa diet had a significantly higher operant pain index when tested at 37°C as compared to control diet-fed animals...
June 2017: Orthodontics & Craniofacial Research
https://www.readbyqxmd.com/read/28641415/review-of-teas-cocoa-and-coffee-plant-secondary-metabolites-and-health-teas-cocoa-and-coffee-plant-secondary-metabolites-and-health-edited-by-alan-crozier-hiroshi-ashihara-and-francisco-tom%C3%A3-s-barb%C3%A3-ran-john-wiley-sons-ltd-west-sussex-uk-2011-x-252-pp-228-18
#13
https://www.readbyqxmd.com/read/28641144/impact-of-saccharomyces-cerevisiae-and-torulaspora-delbrueckii-starter-cultures-on-cocoa-beans-fermentation
#14
Simonetta Visintin, Lacerda Ramos, Nara Batista, Paola Dolci, Freitas Schwan, Luca Cocolin
Aim of this work was to study the impact of mixed cultures of Saccharomyces cerevisiae and Torulaspora delbrueckii and T. delbrueckii monoculture on the fermentation process conducted on two different cocoa hybrids, PS1319 and SJ02, in Bahia, Brazil. This was performed throughout studying physico-chemical changes during the fermentation process and analyzing volatile compounds and sensory analysis of chocolates. (GTG)5-PCR fingerprinting was used to type isolates at strain level allowing to assess the implantation of the starter cultures added...
June 7, 2017: International Journal of Food Microbiology
https://www.readbyqxmd.com/read/28628670/combining-ability-heritability-and-genotypic-relations-of-different-physiological-traits-in-cacao-hybrids
#15
Allan Silva Pereira, Alex-Alan Furtado de Almeida, Márcia Christina da Silva Branco, Marcio Gilberto Cardoso Costa, Dario Ahnert
Selecting parents and evaluating progenies is a very important step in breeding programs and involves approaches such as understanding the initial stages of growth and characterizing the variability among genotypes for different parameters, such as physiological, growth, biomass partitioning and nutrient translocation to the aerial part. In these cases, facilitating tools can be used to understand the involved gene dynamics, such as diallel crosses and genetic and phenotypic correlations. Our main hypothesis is that the contrasting phenotypes of these parental genotypes of cocoa used are due to genetic factors, and progenies derived from crosses of these parental genotypes are useful for breeding programs related to plant architecture, physiological parameters and translocation of mineral nutrients...
2017: PloS One
https://www.readbyqxmd.com/read/28627207/the-effect-of-defatted-cocoa-powder-on-cholesterol-induced-changes-of-serum-lipids-in-rats
#16
Mousa Numan Ahmad, Amira Mohammad Amr
INTRODUCTION: Cocoa has been known for many health benefits, but its lipid-lowering activity still remains unresolved. OBJECTIVES: To investigate effects of varying amounts of defatted cocoa on serum lipids in cholesterol-fed rats. METHODS: Forty-eight male Sprague-Dawley rats were randomly assigned into four cholesterol-free (control) and four cholesterol-supplemented (experimental) diets containing 0, 1, 2 or 3% defatted cocoa (DC) and given ad libitumto the rats for ten weeks...
June 5, 2017: Nutrición Hospitalaria: Organo Oficial de la Sociedad Española de Nutrición Parenteral y Enteral
https://www.readbyqxmd.com/read/28614756/photosynthetic-antioxidative-molecular-and-ultrastructural-responses-of-young-cacao-plants-to-cd-toxicity-in-the-soil
#17
Romária Pereira de Araújo, Alex-Alan Furtado de Almeida, Lidiane Silva Pereira, Pedro A O Mangabeira, José Olimpio Souza, Carlos P Pirovani, Dário Ahnert, Virupax C Baligar
Cadmium (Cd) is a highly toxic metal for plants, even at low concentrations in the soil. The annual production of world cocoa beans is approximately 4 million tons. Most of these fermented and dried beans are used in the manufacture of chocolate. Recent work has shown that the concentration of Cd in these beans has exceeded the critical level (0.6mgkg(-1) DM). The objective of this study was to evaluate the toxicity of Cd in young plants of CCN 51 cacao genotype grown in soil with different concentrations of Cd (0, 0...
June 10, 2017: Ecotoxicology and Environmental Safety
https://www.readbyqxmd.com/read/28614041/effect-of-short-term-research-training-programs-on-medical-students-attitudes-toward-aging
#18
Dilip V Jeste, Julie Avanzino, Colin A Depp, Maja Gawronska, Xin Tu, Daniel D Sewell, Steven F Huege
Strategies to build a larger workforce of physicians dedicated to research on aging are needed. One method to address this shortage of physician scientists in geriatrics is short-term training in aging research for early-stage medical students. The authors examined the effects of two summer research training programs, funded by the National Institutes of Health, on medical students' attitudes toward aging, using the Carolina Opinions on Care of Older Adults (COCOA). The programs combined mentored research, didactics, and some clinical exposure...
June 14, 2017: Gerontology & Geriatrics Education
https://www.readbyqxmd.com/read/28610307/three-new-species-of-phytoseiid-mites-acari-phytoseiidae-from-bahia-state-brazil
#19
Adeilma Nascimento DE Carvalho, Aníbal Ramadan Oliveira, Poliane Sá Argolo, Francisco Ferragut
During a survey of predatory mites on cocoa cropping areas in Bahia State, north-eastern Brazil, three undescribed species of Phytoseiidae were collected on natural vegetation associated with crops. Typhlodromips baculiductus n. sp., Graminaseius bahiensis n. sp. and Typhlodromalus annulatus n. sp. are described and diagnosed. Comments on the boundary between the genera Amblydromalus Chant & McMurtry and Typhlodromalus Muma are also included.
May 26, 2017: Zootaxa
https://www.readbyqxmd.com/read/28605130/effect-of-cocoa-s-theobromine-on-intestinal-microbiota-of-rats
#20
Sandra Martín-Peláez, Mariona Camps-Bossacoma, Malen Massot-Cladera, Mar Rigo-Adrover, Àngels Franch, Francisco J Pérez-Cano, Margarida Castell
SCOPE: To establish the role of cocoa theobromine on gut microbiota composition and fermentation products after cocoa consumption in rats. METHODS AND RESULTS: Lewis rats were fed either a standard diet (RF diet), a diet containing 10% cocoa (CC diet) or a diet including 0.25% theobromine (TB diet) for 15 days. Gut microbiota (fluorescence in situ hybridization coupled to flow cytometry and metagenomics analysis), SCFA and IgA-coated bacteria were analyzed in fecal samples...
June 12, 2017: Molecular Nutrition & Food Research
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