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https://www.readbyqxmd.com/read/27780137/anti-oxidant-anti-inflammatory-analgesic-and-antipyretic-activities-of-grapevine-leaf-extract-vitis-vinifera-in-mice-and-identification-of-its-active-constituents-by-lc-ms-ms-analyses
#1
Bakhta Aouey, Amira Mahjoubi Samet, Hamadi Fetoui, Monique S J Simmonds, Mohamed Bouaziz
ETHNOPHARMACOLOGICAL RELEVANCE: The leaves of Vitis vinifera is used in traditional medicine for diarrhea, hepatitis and stomachaches. The objective of this study was to investigate the anti-oxidant, anti-inflammatory, analgesic and antipyretic properties of the hydroalcoholic leaf extract of Vitis vinifera (EVV) on experimental models to provide scientific basis for its use. MATERIALS AND METHODS: The EVV was chemically characterized by LC-MS/MS analyses. The in vitro antioxidant activities of the EVV extract were measured using 1,1-diphenyl-2-picrylhydrazyl (DPPH) radical scavenging assay and Ferric reducing antioxidant power assay (FRAP)...
October 22, 2016: Biomedicine & Pharmacotherapy, Biomédecine & Pharmacothérapie
https://www.readbyqxmd.com/read/27633830/the-fifth-annual-sc2-0-and-synthetic-genomes-conference-synthetic-genomes-in-high-gear
#2
Roy S K Walker, Yizhi Cai
The Sc2.0 project is perhaps the largest synthetic biology project in the public domain, and ultimately aims to construct a new version of the humble brewer's yeast, Saccharomyces cerevisiae. Each year, the Sc2.0 consortium gather to discuss progress in this ambitious project and highlight new developments at the forefront of synthetic genome engineering. This viewpoint summarizes some of the key moments of the 2016 conference, including updates on the Sc2.0 project itself, mammalian synthetic biology, DNA assembly automation, HGP-Write and a panel discussion on the social and ethical perspectives of synthetic biology...
September 16, 2016: ACS Synthetic Biology
https://www.readbyqxmd.com/read/27629605/genomics-history-of-brewer-s-yeast-revealed
#3
(no author information available yet)
No abstract text is available yet for this article.
2016: Nature
https://www.readbyqxmd.com/read/27611881/effects-of-graded-levels-of-liquid-brewer-s-yeast-on-chemical-composition-and-fermentation-quality-in-cassava-pulp-and-rice-straw-based-total-mixed-ration-silage
#4
Sukanya Kamphayae, Hajime Kumagai, Smerjai Bureenok, Ramphrai Narmseelee, Patima Butcha
This study aimed to evaluate the effect of liquid brewer's yeast (LBY) addition on chemical composition and fermentation quality of mixture of LBY and cassava pulp (CVP) with rice straw (RS) in different ratios during preservation periods. Four mixtures of LBY, CVP and RS were made, that is mixture ratio of LBY : CVP : RS of 0% LBY, 20% LBY, 35% LBY and 50% LBY were 0:70:30, 20:50:30, 35:35:30 and 50:20:30 as fresh matter, respectively. The bags were opened at weeks 0, 1, 2, 4 and 8 after storage. The contents of dry matter, organic matter, crude protein (CP), ether extract (EE), neutral detergent fiber and acid detergent fiber ranged 36...
September 9, 2016: Animal Science Journal, Nihon Chikusan Gakkaihō
https://www.readbyqxmd.com/read/27603923/impact-of-in-vitro-gastrointestinal-digestion-and-transepithelial-transport-on-antioxidant-and-ace-inhibitory-activities-of-brewer-s-spent-yeast-autolysate
#5
Elsa F Vieira, José das Neves, Rui Vitorino, Diana Dias da Silva, Helena Carmo, Isabel M P L V O Ferreira
Brewer's spent yeast (BSY) autolysates may have potential applications as food ingredients or nutraceuticals due to their antioxidant and ACE-inhibitory activities. The impact of simulated gastrointestinal (GI) digestion, the interaction with intracellular sources of oxidative stress, the intestinal cell permeability of BSY peptides, and the antioxidant and ACE-inhibitory activities of BSY permeates were assayed. Gastrointestinal digestion of BSY autolysates enhanced antioxidant and ACE-inhibitory activities as measured in vitro...
October 5, 2016: Journal of Agricultural and Food Chemistry
https://www.readbyqxmd.com/read/27602264/vegemite-beer-yeast-extract-spreads-as-nutrient-supplements-to-promote-fermentation
#6
Edward D Kerr, Benjamin L Schulz
Vegemite is an iconic Australian food spread made from spent brewers' yeast extract, which has been reported to be used as an ingredient in illegal home brewing. In this study, we tested the utility of Vegemite and the similar spread Marmite in promoting fermentation. We could not culture microorganisms from either Vegemite or Marmite, consistent with these food-grade spreads being essentially sterile. To test if the addition of Vegemite or Marmite could assist in fermentation when additional viable yeast was also present, solutions containing glucose and a range of concentrations of either Vegemite or Marmite were inoculated with brewers' yeast...
2016: PeerJ
https://www.readbyqxmd.com/read/27555750/flurbiprofen-antioxidant-mutual-prodrugs-as-safer-nonsteroidal-anti-inflammatory-drugs-synthesis-pharmacological-investigation-and-computational-molecular-modeling
#7
Zaman Ashraf, Alamgeer, Munazza Kanwal, Mubashir Hassan, Sahar Abdullah, Mamuna Waheed, Haseeb Ahsan, Song Ja Kim
Flurbiprofen-antioxidant mutual prodrugs were synthesized to reduce the gastrointestinal (GI) effects associated with flurbiprofen. For reducing the GI toxicity, the free carboxylic group (-COOH) was temporarily masked by esterification with phenolic -OH of natural antioxidants vanillin, thymol, umbelliferone, and sesamol. The in vitro hydrolysis of synthesized prodrugs showed that they were stable in buffer solution at pH 1.2, indicating their stability in the stomach. The synthesized prodrugs undergo significant hydrolysis in 80% human plasma and thus release free flurbiprofen...
2016: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/27505907/anti-inflammatory-analgesic-and-antipyretic-activities-of-the-aqueous-methanolic-extract-of-berberis-calliobotrys-in-albino-mice
#8
Alamgeer, Huma Naz, Shadid Rasool, Sayed Atif Raza, Taseer Ahmad, Haseeb Ahsan, Muhammad Naveed Mushtaq, Hira Asif, Zahid Khan, Nabeela Noor, Ambreen Malik Utra, Umme-Habiba-Hassan
The aqueous methanolic extract of stem part of Berberis calliobotiys (AMEBC) was evaluated for anti-inflammatory, analgesic and antipyretic activities in albino mice. Anti-inflammatory activity was evaluated by using carrageenan and albumin induced paw edema, while the analgesic effect was assessed by using formalin-induced paw licking and acetic acid induced abdominal writhing in mice. The brewer's yeast-induced pyrexia model was used for antipyretic investigation. Ibuprofen (40 mg/kg) was used as a standard drug in all the three models...
May 2016: Acta Poloniae Pharmaceutica
https://www.readbyqxmd.com/read/27495801/pharmacological-screening-of-monotheca-buxifolia-falc-a-dc-for-antinociceptive-anti-inflammatory-and-antipyretic-activities
#9
Irfan Ullah, Jamshaid Ali Khan, Muhammad Shahid, Ajmal Khan, Achyut Adhikari, Peer Abdul Hannan, Ibrahim Javed, Faisal Shakeel, Umar Farooq
BACKGROUND: Medicinal plants have proven their importance as a valuable source of molecules with therapeutic potential. Monotheca buxifolia (Falc.) A. DC. (family: Sapotaceae) is traditionally used as a hematinic, laxative, digestive, anthelmintic, antipyretic, and in the treatment of gastro-urinary disorders. To provide scientific evidence for its folkloric use, the present study investigated Monotheca buxifolia fruit hydro-ethanolic extract (MBHE) for its prospective antinociceptive, anti-inflammatory and antipyretic activities...
2016: BMC Complementary and Alternative Medicine
https://www.readbyqxmd.com/read/27493240/rearing-larvae-of-the-avian-nest-parasite-philornis-downsi-diptera-muscidae-on-chicken-blood-based-diets
#10
Paola F Lahuatte, M P Lincango, G E Heimpel, C E Causton
Captive rearing of insect pests is necessary to understand their biology and to develop control methods. The avian nest fly, Philornis downsi Dodge and Aitken, is a blood-sucking parasite during its larval stage and a serious threat to endemic birds in the Galapagos Islands where it is considered invasive. In order to procure large numbers of flies for biological studies, rearing media and diets were trialed for rearing the larval stage of P. downsi under controlled conditions in the absence of its avian host...
2016: Journal of Insect Science
https://www.readbyqxmd.com/read/27471059/degradation-of-spent-craft-brewer-s-yeast-by-caprine-rumen-hyper-ammonia-producing-bacteria
#11
B E Harlow, R W Bryant, S D Cohen, S P O'Connell, M D Flythe
UNLABELLED: Spent yeast from craft beers often includes more hops (Humulus lupulus L.) secondary metabolites than traditional recipes. These compounds include α- and β- acids, which are antimicrobial to the rumen hyper ammonia-producing bacteria (HAB) that are major contributors to amino acid degradation. The objective was to determine if the hops acids in spent craft brewer's yeast (CY; ~ 3·5 mg g(-1) hops acids) would protect it from degradation by caprine rumen bacteria and HAB when compared to a baker's yeast (BY; no hops acids)...
October 2016: Letters in Applied Microbiology
https://www.readbyqxmd.com/read/27449518/rdna-copy-number-variants-are-frequent-passenger-mutations-in-saccharomyces-cerevisiae-deletion-collections-and-de-novo-transformants
#12
Elizabeth X Kwan, Xiaobin S Wang, Haley M Amemiya, Bonita J Brewer, M K Raghuraman
The Saccharomyces cerevisiae ribosomal DNA (rDNA) locus is known to exhibit greater instability relative to the rest of the genome. However, wild-type cells preferentially maintain a stable number of rDNA copies, suggesting underlying genetic control of the size of this locus. We performed a screen of a subset of the Yeast Knock-Out (YKO) single gene deletion collection to identify genetic regulators of this locus and to determine if rDNA copy number correlates with yeast replicative lifespan. While we found no correlation between replicative lifespan and rDNA size, we identified 64 candidate strains with significant rDNA copy number differences...
September 8, 2016: G3: Genes—Genomes—Genetics
https://www.readbyqxmd.com/read/27449232/spent-brewer-s-yeast-extract-as-an-ingredient-in-cooked-hams
#13
Gaston Pancrazio, Sara C Cunha, Paula Guedes de Pinho, Mónica Loureiro, Sónia Meireles, Isabel M P L V O Ferreira, Olívia Pinho
This work describes the effect of the incorporation of 1% spent yeast extract into cooked hams. Physical/chemical/sensorial characteristics and changes during 12 and 90days storage were evaluated on control and treated cooked hams processed for 1.5, 2.0, 2.5 or 3h. Spent yeast extract addition increased hardness, chewiness, ash, protein and free amino acid content. Similar volatile profiles were obtained, although there were some quantitative differences. No advantages were observed for increased cooking time...
November 2016: Meat Science
https://www.readbyqxmd.com/read/27383807/effects-of-different-ratios-and-storage-periods-of-liquid-brewer-s-yeast-mixed-with-cassava-pulp-on-chemical-composition-fermentation-quality-and-in-vitro-ruminal-fermentation
#14
Sukanya Kamphayae, Hajime Kumagai, Wanna Angthong, Ramphrai Narmseelee, Smerjai Bureenok
This study aims to evaluate the chemical composition, fermentation quality and in vitro ruminal fermentation of various ratios and storage periods of liquid brewer's yeast (LBY) mixed with cassava pulp (CVP). Four mixtures of fresh LBY and CVP were made (LBY0, LBY10, LBY20 and LBY30 for LBY:CVP at 0:100, 10:90, 20:80 and 30:70, respectively) on a fresh matter basis, in 500 g in plastic bags and stored at 30 to 32 °C. After storage, the bags were opened weekly from weeks 0 to 4. Fermentation quality and in vitro gas production (IVGP) were determined, as well as the dry matter (DM), organic matter (OM), crude protein (CP), ether extract (EE), neutral detergent fiber, acid detergent fiber and acid detergent lignin contents...
June 11, 2016: Asian-Australasian Journal of Animal Sciences
https://www.readbyqxmd.com/read/27364826/maltose-and-maltotriose-utilisation-by-group%C3%A2-i-strains-of-the-hybrid-lager-yeast-saccharomyces-pastorianus
#15
Frederico Magalhães, Virve Vidgren, Laura Ruohonen, Brian Gibson
Brewer's wort is a challenging environment for yeast as it contains predominantly α-glucoside sugars. There exist two subgroups of the lager yeast Saccharomyces pastorianus which differ in sugar utilisation. We performed wort fermentations and compared representative strains from both groups with respect to their ability to transport and ferment maltose and maltotriose. Additionally, we mapped the transporters MALx1, AGT1, MPHx and MTT1 by Southern blotting. Contrary to previous observations, group I comprises a diverse set of strains, with varying ability to transport and ferment maltotriose...
August 2016: FEMS Yeast Research
https://www.readbyqxmd.com/read/27330999/genome-annotation-of-a-saccharomyces-sp-lager-brewer-s-yeast
#16
Patricia Marcela De León-Medina, Ramiro Elizondo-González, Luis Cástulo Damas-Buenrostro, Jan-Maarten Geertman, Marcel Van den Broek, Luis Jesús Galán-Wong, Rocío Ortiz-López, Benito Pereyra-Alférez
The genome of lager brewer's yeast is a hybrid, with Saccharomyces eubayanus and Saccharomyces cerevisiae as sub-genomes. Due to their specific use in the beer industry, relatively little information is available. The genome of brewing yeast was sequenced and annotated in this study. We obtained a genome size of 22.7 Mbp that consisted of 133 scaffolds, with 65 scaffolds larger than 10 kbp. With respect to the annotation, 9939 genes were obtained, and when they were submitted to a local alignment, we found that 53...
September 2016: Genomics Data
https://www.readbyqxmd.com/read/27276935/evaluating-biochemical-methane-production-from-brewer-s-spent-yeast
#17
Ornella Sosa-Hernández, Prathap Parameswaran, Gibrán Sidney Alemán-Nava, César I Torres, Roberto Parra-Saldívar
Anaerobic digestion treatment of brewer's spent yeast (SY) is a viable option for bioenergy capture. The biochemical methane potential (BMP) assay was performed with three different samples (SY1, SY2, and SY3) and SY1 dilutions (75, 50, and 25 % on a v/v basis). Gompertz-equation parameters denoted slow degradability of SY1 with methane production rates of 14.59-4.63 mL/day and lag phases of 10.72-19.7 days. Performance and kinetic parameters were obtained with the Gompertz equation and the first-order hydrolysis model with SY2 and SY3 diluted 25 % and SY1 50 %...
September 2016: Journal of Industrial Microbiology & Biotechnology
https://www.readbyqxmd.com/read/27232128/suitability-of-monotypic-and-mixed-diets-for-anopheles-hermsi-larval-development
#18
Donald A Beasley, William E Walton
The developmental time and survival to eclosion of Anopheles hermsi Barr & Guptavanij fed monotypic and mixed diets of ten food types were examined in laboratory studies. Larvae fed monotypic diets containing animal detritus (freeze-dried rotifers, freeze-dried Daphnia pulicaria, and TetraMin® fish food flakes) and the mixotrophic protistan Cryptomonas ovata developed faster and survived better than larvae that were fed other monotypic diets. Survival to adulthood of larvae fed several concentrations of the diatom Planothidium (=Achnanthes) lanceolatum was poor (<13%) and larval development time was approximately twice that of larvae fed TetraMin® fish food flakes, the standard laboratory diet...
June 2016: Journal of Vector Ecology: Journal of the Society for Vector Ecology
https://www.readbyqxmd.com/read/27212268/defective-quiescence-entry-promotes-the-fermentation-performance-of-bottom-fermenting-brewer-s-yeast
#19
Mayu Oomuro, Taku Kato, Yan Zhou, Daisuke Watanabe, Yasuo Motoyama, Hiromi Yamagishi, Takeshi Akao, Masayuki Aizawa
One of the key processes in making beer is fermentation. In the fermentation process, brewer's yeast plays an essential role in both the production of ethanol and the flavor profile of beer. Therefore, the mechanism of ethanol fermentation by of brewer's yeast is attracting much attention. The high ethanol productivity of sake yeast has provided a good basis from which to investigate the factors that regulate the fermentation rates of brewer's yeast. Recent studies found that the elevated fermentation rate of sake Saccharomyces cerevisiae species is closely related to a defective transition from vegetative growth to the quiescent (G0) state...
May 19, 2016: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/27125503/antiulcer-and-antiproliferative-properties-of-spent-brewer-s-yeast-peptide-extracts-for-incorporation-into-foods
#20
Maria M Amorim, Joana O Pereira, Karin M Monteiro, Ana L Ruiz, João E Carvalho, Hélder Pinheiro, Manuela Pintado
The main objective was to study the antiulcer and antiproliferative potential of yeast peptide extract for further incorporation into functional foods. Peptide concentrates were obtained by hydrolysis of spent brewer's yeast proteins followed by a filtration process. In order to prove the possible protection of gastric mucosa, an animal model with ulcerative lesions caused by oral administration of absolute ethanol was used. The peptide fraction <3 kDa was able to reduce gastric injuries to significant levels (p < 0...
May 18, 2016: Food & Function
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