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Studies on the Antioxidant Potential of Extracts from Unripe Fruit of Carica papaya

Journal of Life Sciences 2012年第1期6卷 41-47页

作者： Omotade Oloyede daniel roos Joao Rocha Biochemistry Department University of Ado-Ekiti Ekiti State 5363 Nigeria Departmento de Quimica Bioquimica Toxicologia （CCNE） Universidade Federal de Santa Maria Santa Maria 97105-900 Brazil

The antioxidant activities of the ethyl acetate fraction and aqueous extract of unripe fruit of Carica papaya were compared and investigated in vitro using thiobarbituric reactive species (TBARS) assay, total phenol content, evaluation of reactive oxygen species (ROS) in liver mitochondria, Fe2+ chelating and 2,2-diphenyl-1picrylhydrazyl (DPPH) scavenging activities. Both extracts had high antioxidant properties and could inhibit Fe2+ and sodium nitroprusside lipid peroxidation in the liver. Total phenol content of ethyl acetate fraction and aqueous extract were 4.50 ± 2.26 and 1.21 ± 3.12 mg/g, respectively. Both extracts had a maximal effect at the lowest concentrations tested (15 μg/mL for ethyl acetate and 150 μg/mL for the aqueous). Ethyl acetate fraction showed that the highest values of antioxidant activity is probably associated with its high phenolic content, Fe2+ chelating and DPPH scavenging activities. It is therefore concluded that ethyl acetate fraction and to a less extent the aqueous fractions are potent inhibitor of lipid peroxidation.

关键词：水提取物成熟果实番木瓜抗氧化能力 DPPH自由基乙酸乙酯抗氧化活性脂质过氧化

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改变世界的机器

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作者： (美)詹姆斯 P. 沃麦克(James P. Womack) (英)丹尼尔 T. 琼斯(daniel T. Jones) (美)丹尼斯·鲁斯(daniel roos)

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A Systematic Review of the Genetic Predisposition to Injury in Football

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Journal of Science in Sport and Exercise 2023年第2期5卷 97-115页

作者： Alexander B.T.McAuley David C.Hughes Loukia G.Tsaprouni Ian Varley Bruce Suraci Thomas R.roos Adam J.Herbert daniel T.Jackson Adam L.Kelly Faculty of Health Education and Life SciencesBirmingham City UniversityBirminghamWest MidlandsUK Department of Sport Science Nottingham Trent UniversityNottinghamUK Academy Coaching Department AFC BournemouthBournemouthUK The International Academy of Sports Science and Technology(AISTS) University of LausanneLausanneSwitzerland Department of Life Sciences Birmingham City UniversityCity South CampusWestbourne RoadEdgbaston B153TNUK

Purpose Synthesise genetic association studies investigating injury involving football players to identify which genetic variants have the most empirical evidence to *** A comprehensive search of the PubMed,SPORTDiscus,and MEDLINE databases until March 11th 2022 identi-fied 34 *** criteria:primary investigations,included football players,examined the association of a genetic variant with injury,and were published in *** of bias was assessed using the Newcastle–Ottawa Scale.A narrative synthesis summarised *** There were 33 candidate gene studies and one genome-wide study,with 9642 participants across all studies(range=43–1311;median=227).Ninety-nine polymorphisms were assessed within 63 ***-one polymorphisms were associated with injury *** polymorphisms had their specific allelic associations with injury replicated twice in independent cohorts:ACTN3(rs1815739)XX genotype was associated with an increased susceptibility to non-contact muscle injuries,ACAN(rs1516797)G allele was associated with increased susceptibility to anterior cruciate ligament(ACL)injuries,and VEGFA(rs2010963)CC genotype was associated with an increased susceptibility to ACL and ligament or tendon ***,several methodological issues(e.g.,small sample sizes,cohort heterogeneity,and population stratification)are prevalent that limit the reliability and external validity of *** At present,the evidence base supporting the integration of genetic information as a prognostic or diagnosis tool for injury risk in football is *** participation of organisations in international consortia is suggested to combat the current methodological issues and subsequently improve clarity concerning the underlying genetic contribution to injury susceptibility.

关键词： Soccer Genomics Polymorphism Snp Susceptibility

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工业4．0带来的新职业

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流程工业 2017年第16期 21-23页

作者： Heike Haarmann daniel Gauch Eckhard roos Festo Didactic SE公司 Festo公司

流程工业4．0的排位赛对企业是一个挑战，且是对企业所有层次的挑战。同时，在工业4．0的影响下也出现了一些新的职业和工种，例如工业化的水处理企业就在讨论是否需要像“水电一体化”这样的工种。

关键词：流程工业职业企业一体化水处理工业化工种

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