Juan Parrado

ORCID: 0000-0002-1462-408X
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About
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Research Areas
  • Soil Carbon and Nitrogen Dynamics
  • Nematode management and characterization studies
  • Pesticide and Herbicide Environmental Studies
  • Plant Growth Enhancement Techniques
  • Composting and Vermicomposting Techniques
  • Enzyme Production and Characterization
  • Phytochemicals and Antioxidant Activities
  • Phytase and its Applications
  • Protein Hydrolysis and Bioactive Peptides
  • Biofuel production and bioconversion
  • Antioxidant Activity and Oxidative Stress
  • Plant Disease Management Techniques
  • Legume Nitrogen Fixing Symbiosis
  • Pharmaceutical and Antibiotic Environmental Impacts
  • Weed Control and Herbicide Applications
  • Edible Oils Quality and Analysis
  • Plant Physiology and Cultivation Studies
  • Microbial Metabolites in Food Biotechnology
  • Cholesterol and Lipid Metabolism
  • Biochemical effects in animals
  • Entomopathogenic Microorganisms in Pest Control
  • Microplastics and Plastic Pollution
  • Parkinson's Disease Mechanisms and Treatments
  • Monoclonal and Polyclonal Antibodies Research
  • Growth and nutrition in plants

Universidad de Sevilla
2016-2025

Centro de Investigación Biomédica en Red
2008

Biomedical Research Networking Center on Neurodegenerative Diseases
2008

Instituto de la Grasa
1996-2006

Consejo Superior de Investigaciones Científicas
2006

Tehran University of Medical Sciences
2006

Universidad Nacional Autónoma de México
2001

University of Oxford
1996

University of Reading
1991

The biostimulant potential of three different organic acids (OAs) present in the rhizosphere, specifically lactic, oxalic, and citric acids, have been studied. results showed a rapid complete metabolism these with soil microorganisms using them as source carbon energy. Biostimulation was confirmed by biochemical studies which an increase enzymatic activities, such dehydrogenase phosphatase, lactic being those that produced greatest biostimulation. With regard to microbiota composition,...

10.3389/fpls.2020.00633 article EN cc-by Frontiers in Plant Science 2020-05-28

Neuroinflammation is an important contributor to pathogenesis of age-related neurodegenerative disorders such as Alzheimer's or Parkinson's disease. Accumulating evidence indicates that inhibition microglia-mediated neuroinflammation may become a reliable protective strategy for processes. Flavonoids, widely distributed in the vegetable kingdom and foods honey, have been suggested novel therapeutic agents reduction deleterious effects neuroinflammation. The present study investigated...

10.1021/jf302468h article EN Journal of Agricultural and Food Chemistry 2012-11-26

Antioxidant activities of lipophilic hydroxytyrosyl acetate, palmitate, oleate, and linoleate were compared with those hydroxytyrosol, α-tocopherol, butylhydroxytoluene (BHT) in both glyceridic matrix biological systems. Aliquots a spiked various concentrations antioxidant subjected to accelerated oxidation Rancimat apparatus operated at 90 °C. The relationships between induction time (IT) concentration (mmol/kg) presented by hydroxytyrosol similar. Hydroxytyrosol its esters showed greater...

10.1021/jf060520z article EN Journal of Agricultural and Food Chemistry 2006-05-01

Three different varieties of Opuntia ficus-indica (R, red; Y, yellow; RY, red-yellow) have been considered in this study. Attention was focused on differential tristimulus colorimetry and the analysis individual betalains (HPLC-DAD-ESI-ToF-MS) phenolic content, scarcely previously reported these kinds samples. The importance research stems from elucidation parts cactus pear more optimal for use as natural colorants sources phenolics betalains. Thus, RY pulp appropriate to obtain with high...

10.1021/jf502465g article EN Journal of Agricultural and Food Chemistry 2014-07-30

The quality of soil is strongly bound by several interactions between chemical and biological components, including microbial composition, which are a key importance for performance. Cultural activities have huge induction on health, through both modification physicochemical proprieties changing communities. This usually affects the safety soil, then crop production water. In present work, information bacterial community composition was determined from set 6 soils collected 2 farms in...

10.1016/j.sjbs.2017.01.005 article EN cc-by-nc-nd Saudi Journal of Biological Sciences 2017-01-09

We have studied the effect of oxidative stress on protein synthesis in rat liver. Cumene hydroperoxide (CH) was used as an oxidant agent. The approach to determine ribosomal state aggregation and time for assembly release polypeptide chains process liver vivo. results suggest that elongation step is most sensitive CH treatment. measurement both carbonyl groups content ADP-ribosylatable factor 2 (EF-2), main involved step, indicates under treatment EF-2 oxidatively modified a lower amount...

10.1074/jbc.271.38.23105 article EN cc-by Journal of Biological Chemistry 1996-09-01

In the present study, a novel property of melatonin is shown: protective effect on respiratory chain in isolated rat liver mitochondria and striatal synaptosomes treated with 1‐methyl‐4‐phenylpyridinium ion (MPP + ). The cellular damage caused by MPP , compound that produces Parkinsonian‐like syndrome humans, result mitochondrial respiration inhibition at Complex I level oxidative stress induction. Treatment inhibits rate. This was prevented inclusion incubation mixture. preventive effect,...

10.1034/j.1600-079x.2000.290106.x article EN Journal of Pineal Research 2000-05-01

Abstract BACKGROUND: The obtention and physicochemical characterization of an enzymatic vegetable extract (EVE) from agroindustrial wastes by a proteolytic extraction is described. main components EVE are nitrogen (peptides free amino acids) phytohormones (auxins, gibberellins, cytokinins), as functional components. effect fertilizer/biostimulant on several parameters red grapes, such colour anthocyanins, was also evaluated. RESULTS: Its application induced high anthocyanin content with the...

10.1002/jsfa.2989 article EN Journal of the Science of Food and Agriculture 2007-07-03

Alterations in the proteasome activity CNS have been described during aging. However, a detailed study of all subunits is actually lacking. We analyzed, vivo, age-related modifications molecular composition hippocampal proteasomes. found that immunoproteasome/proteasome ratio was increased aged hippocampus. The processing low-molecular-mass protein (LMP)7/beta(5i) subunit, practically absent young hippocampus, animals. Among potential factors underlying these we evaluated neuroinflammation...

10.1111/j.1471-4159.2008.05762.x article EN Journal of Neurochemistry 2008-11-06
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