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https://www.readbyqxmd.com/read/28208630/cocoa-and-grape-seed-byproducts-as-a-source-of-antioxidant-and-anti-inflammatory-proanthocyanidins
#1
María De La Luz Cádiz-Gurrea, Isabel Borrás-Linares, Jesús Lozano-Sánchez, Jorge Joven, Salvador Fernández-Arroyo, Antonio Segura-Carretero
Phenolic compounds, which are secondary plant metabolites, are considered an integral part of the human diet. Physiological properties of dietary polyphenols have come to the attention in recent years. Especially, proanthocyanidins (ranging from dimers to decamers) have demonstrated potential interactions with biological systems, such as antiviral, antibacterial, molluscicidal, enzyme-inhibiting, antioxidant, and radical-scavenging properties. Agroindustry produces a considerable amount of phenolic-rich sources, and the ability of polyphenolic structures to interacts with other molecules in living organisms confers their beneficial properties...
February 10, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28192967/direct-analysis-of-xanthine-stimulants-in-archaeological-vessels-by-laser-desorption-resonance-enhanced-multiphoton-ionization
#2
Shawn C Owens, Jacob A Berenbeim, Marshall R Ligare, Lisa E Gulian, Faady M Siouri, Samuel Boldissar, Stuart Tyson-Smith, Gregory Wilson, Anabel Ford, Mattanjah S de Vries
Resonance enhanced multiphoton ionization spectroscopy (REMPI) generates simultaneous vibronic spectroscopy and fragment free mass spectrometry to identify molecules within a complex matrix. We combined laser desorption with REMPI spectroscopy to study organic residues within pottery sherds from Maya vessels (600-900 CE) and Mississippian vessels (1100-1200 CE), successfully detecting three molecular markers, caffeine, theobromine, and theophylline, associated with the use of cacao. This analytical approach provides a high molecular specificity, based on both wavelength and mass identification...
February 15, 2017: Analytical Chemistry
https://www.readbyqxmd.com/read/28187131/genome-size-cytogenetic-data-and-transferability-of-est-ssrs-markers-in-wild-and-cultivated-species-of-the-genus-theobroma-l-byttnerioideae-malvaceae
#3
Rangeline Azevedo da Silva, Gustavo Souza, Lívia Santos Lima Lemos, Uilson Vanderlei Lopes, Nara Geórgia Ribeiro Braz Patrocínio, Rafael Moysés Alves, Lucília Helena Marcellino, Didier Clement, Fabienne Micheli, Karina Peres Gramacho
The genus Theobroma comprises several trees species native to the Amazon. Theobroma cacao L. plays a key economic role mainly in the chocolate industry. Both cultivated and wild forms are described within the genus. Variations in genome size and chromosome number have been used for prediction purposes including the frequency of interspecific hybridization or inference about evolutionary relationships. In this study, the nuclear DNA content, karyotype and genetic diversity using functional microsatellites (EST-SSR) of seven Theobroma species were characterized...
2017: PloS One
https://www.readbyqxmd.com/read/28186564/phytophthora-megakarya-and-p-palmivora-closely-related-causal-agents-of-cacao-black-pod-rot-underwent-increases-in-genome-sizes-and-gene-numbers-by-different-mechanisms
#4
Shahin S Ali, Jonathan Shao, David J Lary, Brent Kronmiller, Danyu Shen, Mary D Strem, Ishmael Amoako-Attah, Andrew Yaw Akrofi, B A Didier Begoude, G Martijn Ten Hoopen, Klotioloma Coulibaly, Boubacar Ismaël Kebe, Rachel L Melnick, Mark J Guiltinan, Brett M Tyler, Lyndel W Meinhardt, Bryan A Bailey
No abstract text is available yet for this article.
February 10, 2017: Genome Biology and Evolution
https://www.readbyqxmd.com/read/28128718/prehispanic-functional-foods-and-nutraceuticals-in-the-treatment-of-dyslipidemia-associated-to-cardiovascular-disease-a-mini-review
#5
Alejandro Ríos-Hoyo, Alejandra Romo-Araiza, Marcos Meneses-Mayo, Gabriela Guttiérrez-Salmeán
Dyslipidemia is an important modifi able risk factor for cardiovascular and metabolic diseases, which are responsible for a large number of mortality and disability cases around the globe. Different strategies have been used within the treatment of dyslipidemia, including lifestyle modifi cations, pharmacologic therapy, as well as functional foods and nutraceuticals. Functional foods have been used worldwide since ancient times, particularly, the prehispanic civilizations utilized several as medicinal foods...
January 27, 2017: International Journal for Vitamin and Nutrition Research. Journal International de Vitaminologie et de Nutrition
https://www.readbyqxmd.com/read/28124143/molecular-characterization-of-previously-elusive-badnaviruses-associated-with-symptomatic-cacao-in-the-new-world
#6
Nomatter Chingandu, Muhammad Zia-Ur-Rehman, Thyail N Sreenivasan, Surendra Surujdeo-Maharaj, Pathmanathan Umaharan, Osman A Gutierrez, Judith K Brown
Suspected virus-like symptoms were observed in cacao plants in Trinidad during 1943, and the viruses associated with these symptoms were designated as strains A and B of cacao Trinidad virus (CTV). However, viral etiology has not been demonstrated for either phenotype. Total DNA was isolated from symptomatic cacao leaves exhibiting the CTV A and B phenotypes and subjected to Illumina HiSeq and Sanger DNA sequencing. Based on de novo assembly, two apparently full-length badnavirus genomes of 7,533 and 7,454 nucleotides (nt) were associated with CTV strain A and B, respectively...
January 25, 2017: Archives of Virology
https://www.readbyqxmd.com/read/28087663/evolution-and-structural-diversification-of-nictaba-like-lectin-genes-in-food-crops-with-a-focus-on-soybean-glycine-max
#7
Sofie Van Holle, Pierre Rougé, Els J M Van Damme
BACKGROUND AND AIMS: The Nictaba family groups all proteins that show homology to Nictaba, the tobacco lectin. So far, Nictaba and an Arabidopsis thaliana homologue have been shown to be implicated in the plant stress response. The availability of more than 50 sequenced plant genomes provided the opportunity for a genome-wide identification of Nictaba-like genes in 15 species, representing members of the Fabaceae, Poaceae, Solanaceae, Musaceae, Arecaceae, Malvaceae and Rubiaceae. Additionally, phylogenetic relationships between the different species were explored...
January 12, 2017: Annals of Botany
https://www.readbyqxmd.com/read/28074613/health-benefits-of-methylxanthines-in-neurodegenerative-diseases
#8
REVIEW
Ainhoa Oñatibia-Astibia, Rafael Franco, Eva Martínez-Pinilla
Methylxanthines (MTXs) are consumed by almost everybody in almost every area of the world. Caffeine, theophylline and theobromine are the most well-known members of this family of compounds; they are present, inter alia, in coffee, tea, cacao, yerba mate and cola drinks. MTXs are readily absorbed in the gastrointestinal tract and are able to penetrate into the central nervous system, where they exert significant psychostimulant actions, which are more evident in acute intake. Coffee has been paradigmatic, as its use was forbidden in many diseases, however, this negative view has radically changed; evidence shows that methylxanthines display health benefits in diseases involving cell death in the nervous system...
January 11, 2017: Molecular Nutrition & Food Research
https://www.readbyqxmd.com/read/28070286/influence-of-hydrological-pathways-on-dissolved-organic-carbon-fluxes-in-tropical-streams
#9
Eline Nayara Dantas da Costa, Jéssica Carneiro de Souza, Marilane Andrade Pereira, Marcelo Friederichs Landim de Souza, Weber Friederichs Landim de Souza, Daniela Mariano Lopes da Silva
Water flow pathways and water balance are fundamental components for understanding the dynamics of C in the soil/water interface of small basins. The objective of this study was to describe the seasonal variations and estimate the annual balance of dissolved organic carbon (DOC) by comparing two tropical microbasins (preserved forest-PF and cacao plantation-CP). Twenty-one weekly collections were conducted from September to December 2012 and from April to June 2013. The calculation of the partial balance considered precipitation (P) as inflow and the stream as outflow...
January 2017: Ecology and Evolution
https://www.readbyqxmd.com/read/28070080/%C3%AE-melt-structure-of-1-3-dipalmitoyl-2-oleoyl-sn-glycerol-pop-under-a-thermal-thawing-process-studied-by-infrared-spectroscopy
#10
Hiroharu Yui, Yuuki Isozaki, Toshinori Morisaku
The temperature thawing, as called tempering, of triacylglycerols (TAGs) is an important processing method in food productions, such as chocolates, cream, confections, and spreads. Especially, melt-mediation by temperature thawing is famous in chocolate production for controlling the polymorphic crystalline forms and accelerating crystallization. In the present study, we investigated the α-melt structure of 1,3-dipalmitoyl-2-oleoyl-sn-glycerol (POP), one of the major continuants of cacao butter, under a phase transition from its melt to γ-crystal with in-situ attenuated total reflection-infrared (ATR-IR) spectroscopy...
2017: Analytical Sciences: the International Journal of the Japan Society for Analytical Chemistry
https://www.readbyqxmd.com/read/28039812/fast-non-aqueous-reversed-phase-liquid-chromatography-separation-of-triacylglycerol-regioisomers-with-isocratic-mobile-phase-application-to-different-oils-and-fats
#11
Arnaud W G Tamba Sompila, Sylvie Héron, Dorra Hmida, Alain Tchapla
The distribution of fatty acid species at the sn-1/3 position or the sn-2 position of triacylglycerols (TAGs) in natural fats and oils affects their physical and nutritional properties. In fats and oils, determining the presence of one or two regioisomers and the identification of structure, where they do have one, as well as their separation, became a problem of fundamental importance to solve. A variety of instrumental technics has been proposed, such as MS, chromatography-MS or pure chromatography. A number of studies deal with the optimization of the separation, but very often, they are expensive in time...
January 15, 2017: Journal of Chromatography. B, Analytical Technologies in the Biomedical and Life Sciences
https://www.readbyqxmd.com/read/28028594/major-phytopathogens-and-strains-from-cocoa-theobroma-cacao-l-are-differentiated-by-maldi-ms-lipid-and-or-peptide-protein-profiles
#12
Fábio Neves Dos Santos, Alessandra Tata, Kátia Roberta Anacleto Belaz, Dilze Maria Argôlo Magalhães, Edna Dora Martins Newman Luz, Marcos Nogueira Eberlin
Phytopathogens are the main disease agents that promote attack of cocoa plantations in all tropical countries. The similarity of the symptoms caused by different phytopathogens makes the reliable identification of the diverse species a challenge. Correct identification is important in the monitoring and management of these pests. Here we show that matrix-assisted laser desorption ionization mass spectrometry (MALDI-MS) in combination with multivariate data analysis is able to rapidly and reliably differentiate cocoa phytopathogens, namely Moniliophthora perniciosa, Phytophthora palmivora, P...
March 2017: Analytical and Bioanalytical Chemistry
https://www.readbyqxmd.com/read/28019052/increased-pollinator-habitat-enhances-cacao-fruit-set-and-predator-conservation
#13
Samantha J Forbes, Tobin D Northfield
The unique benefits of wild pollinators to the productivity of agricultural crops have become increasingly recognized in recent decades. However, declines in populations of wild pollinator species, largely driven by the conversion of natural habitat to agricultural land and broad spectrum pesticide use often lead reductions in the provision of pollination services and crop production. With growing evidence that targeted pollinator conservation improves crop yield and/or quality, particularly for pollination specialist crops, efforts are increasing to substitute agriculturally intensive practices with those that alleviate some of the negative impacts of agriculture on pollinators and the pollination services they provide, in part through the provision of suitable pollinator habitat...
December 26, 2016: Ecological Applications: a Publication of the Ecological Society of America
https://www.readbyqxmd.com/read/28011721/genome-analysis-of-hibiscus-syriacus-provides-insights-of-polyploidization-and-indeterminate-flowering-in-woody-plants
#14
Yong-Min Kim, Seungill Kim, Namjin Koo, Ah-Young Shin, Seon-In Yeom, Eunyoung Seo, Seong-Jin Park, Won-Hee Kang, Myung-Shin Kim, Jieun Park, Insu Jang, Pan-Gyu Kim, Iksu Byeon, Min-Seo Kim, JinHyuk Choi, Gunhwan Ko, JiHye Hwang, Tae-Jin Yang, Sang-Bong Choi, Je Min Lee, Ki-Byung Lim, Jungho Lee, Ik-Young Choi, Beom-Seok Park, Suk-Yoon Kwon, Doil Choi, Ryan W Kim
Hibiscus syriacus (L.) (rose of Sharon) is one of the most widespread garden shrubs in the world. We report a draft of the H. syriacus genome comprised of a 1.75 Gb assembly that covers 92% of the genome with only 1.7% (33 Mb) gap sequences. Predicted gene modeling detected 87,603 genes, mostly supported by deep RNA sequencing data. To define gene family distribution among relatives of H. syriacus, orthologous gene sets containing 164,660 genes in 21,472 clusters were identified by OrthoMCL analysis of five plant species, including H...
December 22, 2016: DNA Research: An International Journal for Rapid Publication of Reports on Genes and Genomes
https://www.readbyqxmd.com/read/28004628/a-rare-infectious-cause-of-transverse-myelitis
#15
Gonçalo Cação, Joana Martins, Jose Pedro Rocha Pereira, Ana P Correia, Joana Damásio
No abstract text is available yet for this article.
January 2017: Canadian Journal of Neurological Sciences. le Journal Canadien des Sciences Neurologiques
https://www.readbyqxmd.com/read/28002931/cacao-bean-husk-an-applicable-bedding-material-in-dairy-free-stall-barns
#16
Akira Yajima, Hisashi Ohwada, Suguru Kobayashi, Natsumi Komatsu, Kazuaki Takehara, Maria Ito, Kazuhide Matsuda, Kan Sato, Hisao Itabashi, Satoshi Sugimura, Shuhei Kanda
Objective: The objectives of the study were to assess the effect of cacao bean husk as bedding material in free-stall barn on the behavior, productivity, and udder health of dairy cattle, and on the ammonia concentrations in the barn. Methods: Four different stall surfaces (no bedding, cacao bean husk, sawdust, and chopped wheat straw) were each continuously tested for a period of 1 week to determine their effects on nine lactating Holstein cows housed in the free-stall barn with rubber matting...
December 17, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27925861/modeling-heavy-ion-impairment-of-hippocampal-neurogenesis-after-acute-and-fractionated-irradiation
#17
Eliedonna Cacao, Francis A Cucinotta
Radiation-induced impairment of neurogenesis in the hippocampal dentate gyrus is a concern due to its reported association with cognitive detriments after radiotherapy for brain cancers and the possible risks to astronauts chronically exposed to space radiation. Here, we have extended our recent work in a mouse model of impaired neurogenesis after exposure to low-linear energy transfer (LET) radiation to heavy ion irradiation. To our knowledge, this is the first report of a predictive mathematical model of radiation-induced changes to neurogenesis for a variety of radiation types after acute or fractionated irradiation...
December 2016: Radiation Research
https://www.readbyqxmd.com/read/27914320/biochemical-precursor-effects-on-the-fatty-acid-production-in-cell-suspension-cultures-of-theobroma-cacao-l
#18
O Parra, A M Gallego, A Urrea, L F Rojas, C Correa, L Atehortúa
Cocoa butter (CB) is composed of 96% palmitic, stearic, oleic, linoleic and linolenic fatty acids that are responsible for the hardness, texture and fusion properties of chocolate. Through in vitro plant cell culture it is possible to modify CB lipid profiles and to study the fatty acid biosynthesis pathway on a subcellular level, evaluating fundamental aspects to enhance in vitro fatty acid production in a specific and controlled way. In this research, culture media was supplemented with acetate, biotin, pyruvate, bicarbonate and glycerol at three different concentrations and the effects on the biomass production (g/L), cell viability, and fatty acids profile and production was evaluated in in vitro cell suspensions culture...
November 25, 2016: Plant Physiology and Biochemistry: PPB
https://www.readbyqxmd.com/read/27913821/theobromine-upregulates-osteogenesis-by-human-mesenchymal-stem-cells-in-vitro-and-accelerates-bone-development-in-rats
#19
Bret H Clough, Joni Ylostalo, Elizabeth Browder, Eoin P McNeill, Thomas J Bartosh, H Ralph Rawls, Tetsuo Nakamoto, Carl A Gregory
Theobromine (THB) is one of the major xanthine-like alkaloids found in cacao plant and a variety of other foodstuffs such as tea leaves, guarana and cola nuts. Historically, THB and its derivatives have been utilized to treat cardiac and circulatory disorders, drug-induced nephrotoxicity, proteinuria and as an immune-modulator. Our previous work demonstrated that THB has the capacity to improve the formation of hydroxyl-apatite during tooth development, suggesting that it may also enhance skeletal development...
March 2017: Calcified Tissue International
https://www.readbyqxmd.com/read/27871234/a-genome-wide-bac-end-sequence-survey-provides-first-insights-into-sweetpotato-ipomoea-batatas-l-lam-genome-composition
#20
Zengzhi Si, Bing Du, Jinxi Huo, Shaozhen He, Qingchang Liu, Hong Zhai
BACKGROUND: Sweetpotato, Ipomoea batatas (L.) Lam., is an important food crop widely grown in the world. However, little is known about the genome of this species because it is a highly heterozygous hexaploid. Gaining a more in-depth knowledge of sweetpotato genome is therefore necessary and imperative. In this study, the first bacterial artificial chromosome (BAC) library of sweetpotato was constructed. Clones from the BAC library were end-sequenced and analyzed to provide genome-wide information about this species...
November 21, 2016: BMC Genomics
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