Erna Elisabeth Bach

ORCID: 0000-0003-3238-673X
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About
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Research Areas
  • Aquaculture Nutrition and Growth
  • Plant-Microbe Interactions and Immunity
  • Plant Pathogens and Fungal Diseases
  • Mycotoxins in Agriculture and Food
  • Plant Pathogenic Bacteria Studies
  • Aquaculture disease management and microbiota
  • Bee Products Chemical Analysis
  • Agricultural and Food Sciences
  • Phytochemistry Medicinal Plant Applications
  • Natural Antidiabetic Agents Studies
  • Clostridium difficile and Clostridium perfringens research
  • Wheat and Barley Genetics and Pathology
  • Fungal Biology and Applications
  • Herbal Medicine Research Studies
  • Legume Nitrogen Fixing Symbiosis
  • Allelopathy and phytotoxic interactions
  • Nematode management and characterization studies
  • Wound Healing and Treatments
  • Polysaccharides and Plant Cell Walls
  • Weed Control and Herbicide Applications
  • Amphibian and Reptile Biology
  • Toxin Mechanisms and Immunotoxins
  • Garlic and Onion Studies
  • Environmental Toxicology and Ecotoxicology
  • Otolaryngology and Infectious Diseases

Instituto Biológico
1979-2023

Instituto de Pesca
2022

Universidade Nove de Julho
2002-2020

Northern Plains Agricultural Research Laboratory
2019

Agricultural Research Service
2019

Universidade Estadual Paulista (Unesp)
2001-2004

Universidade Brasil
2004

Royal Agricultural University
1948

University College Hospital
1920

University College London
1920

Background: Annatto was obtained from seed B orellana (urucum) and is commonly used in food cosmetic industries. The objective of this study to identify the antimicrobial antioxidant activity aqueous extract urucum seeds its skin healing potential exposed cutaneous lesions rats treated with gel containing extract. Methods: Three types extracts were made using chloroform, sodium hydroxide, water, estimated bixin norbixin. In presence antioxidants, antibacterial observed then evaluated...

10.1097/j.pbj.0000000000000183 article EN cc-by-nc-nd Porto Biomedical Journal 2023-01-01

Background:Ganoderma lucidum (Leyss. Ex. Fr) Karst is a basidiomycete mushroom that has been used for many years as food supplement and medicine. In Brazil, National Health Surveillance Agency (ANVISA) classified Ganoderma nutraceutical product. The objective of the present work was to observe effects an extract from in rats treated with streptozotocin, agent induces diabetes. Method: Male Wistar were obtained animal lodging facilities both University Nove de Julho (UNINOVE) Lusiada...

10.3390/medicines5030078 article EN cc-by Medicines 2018-07-28

Aim: The aims of this study were to evaluate the wound healing potential in vivo and cytotoxic effects vitro Psidium guajava (Myrtaceae) leaf extract commonly used corticosteroids. Methods: effect was studied by clinical histological evaluation traumatic lesions oral mucosa rats treated with these substances. Each rat received 2 daily applications medicine tested animals sacrificed after 1, 3, 5, 7 14 days. Tissue sections stained hematoxylin & eosin analyzed. involved a 5-point scoring...

10.20396/bjos.v9i4.8641730 article EN DOAJ (DOAJ: Directory of Open Access Journals) 2015-11-01

Experiment 1.-A rabbit of 3020 g r i m was inoculated intravenously with Cultures were made from the blood vciu opposite ear at 0.5 C.C. a thick emulsion washed anthrax spores.intervals, and results as follows :-Directly after iiiociilatioii 5 minutes ,, 10

10.1002/path.1700230309 article EN The Journal of Pathology 1920-01-01

10.1111/j.1399-3054.1948.tb09038.x article EN Physiologia Plantarum 1948-10-01

Abstract The intravascular or transcutaneous application of photobiomodulation (PBM) over blood vessels (vascular photobiomodulation, VPBM) has been used for the treatment inflammatory and chronic conditions with promising systemic results. This study evaluated VPBM effects on a model muscle regeneration after acute injury compared outcomes preventive therapeutic VPBM. Transcutaneous was administered rat's main tail vein. Serum levels creatine kinase (CK), aspartate aminotransferase (AST),...

10.1002/jbio.202100271 article EN Journal of Biophotonics 2022-01-03

Streptococcus agalactiae is an important bacterial pathogen in intensive Nile tilapia production, causing high mortality rates and great economic losses. This work aimed to evaluate the vaccination against S. fed with ration containing probiotic AQUA PHOTO® composed of Bacillus subtilis Lactobacillus plantarum, on immune response action gut microbiota. The experimental design was completely randomized five treatments (CON = control; ADJ adjuvant; PRO probiotic; VAC vaccine; + vaccine)...

10.3390/fishes7040211 article EN cc-by Fishes 2022-08-22

The guava pectin methylesterase (PME) specific activity and vitamin C were assayed in samples from different phases of fruit development. PME enzyme was extracted with borate–acetate buffer, 50 mol/l, pH 8.0, the presence NaCl 0.3 mol/l. results showed optimum at 9 95°C, it is a thermostable enzyme. Guava retained 96.8% after 300 min 90°C. Electrophoresis that contained two isoforms, one 57 kDa molecular mass. analyses maturation ascorbic acid decreases during process, but increases maturation.

10.1080/09637480701752244 article EN International Journal of Food Sciences and Nutrition 2008-05-12

Indoleamine 2, 3-dioxygenase (IDO) is an immunomodulatory molecule that has been implicated in several biological processes. Although IDO linked with some renal diseases, its role fibrosis still unclear. Because may be modulated by TGF-β1, a potent fibrogenic molecule, we hypothesized could involved fibrosis, especially acting the TGF-β1-induced tubular epithelial-mesenchymal transition (EMT). We analyzed expression and activity model of fibrogenesis, effect inhibitor 1-methyl-tryptophan...

10.1186/s12882-017-0702-7 article EN cc-by BMC Nephrology 2017-09-06

Exopolysaccharides (EPS) was extracted from Tremella fuciformis growth in solid medium contained sorghum seeds. The objective of present work analyzed EPS and evaluate the effect on glucose, cholesterol, HDL, triglycerides, glutamic-pyruvic transaminase (GPT), urea level plasma rats with type 1 diabetes mellitus (DM1) induced by high sugar diet streptozotocin. Beta-glucan total T. determined major quantity alfa linked glucose. Concentration used for animals 1mmol 2mmol EPS. Male Wistar were...

10.9755/ejfa.2015.05.307 article EN cc-by Emirates Journal of Food and Agriculture 2015-01-01

This study evaluated the effect of Agaricus sylvaticus (sun mushroom) on biochemical tests plasma and morphology pancreas in an experimental model type I diabetes mellitus (DM1) induced by streptozotocin. One gram dry A. was homogenized mixed with chow. Male Wistar rats were allocated as follows: normoglycemic control that received commercial chow; group chow sylvaticus; diabetic sylvaticus. Weight, food, water consumption measured every two days. Blood glucose levels twice a week. After 30...

10.1155/2014/107629 article EN cc-by Evidence-based Complementary and Alternative Medicine 2014-01-01

Abstract Foliar‐applied exopolysaccharides, obtained from bacterial cells of either Xanthomonas campestris pv. manihotis (EPS‐Xcm) or (EPS‐Xcc), isolate NRRL B‐1459, were tested for their ability to induce local and systemic protection against coffee leaf rust caused by Hemileia vastatrix. Both preparations EPS effective in inducing when applied 72 h before challenge with the pathogen. Protection was also observed plants treated different concentrations a commercially available preparation...

10.1111/j.1439-0434.1993.tb01408.x article EN Journal of Phytopathology 1993-10-01

Diseases caused in wheat by Helminthosporium spp. have led to considerable yield and production losses. Different species this genus are associated with seeds. In Brazil, spot blotch is Bipolaris sorokiniana (Sacc) Schoem, another fungus bicolor (Mitra) Shoem that has been also isolated from The current study was undertaken identify the most frequent normaly infects seeds compared them B. sorokiniana. Shoem., cultivar IAPAR, identified taxonomic methods (Sacc.) relation growth...

10.1590/s1517-83822006000300010 article EN Brazilian Journal of Microbiology 2006-09-01

Abstract Foliar‐applied xantham gum, commercially available exopolysaccharides from Xanthomonas campestris pv. bacterial capsule, together with conidial suspension of heat‐inactivated pathogens were tested in relation to their ability induce local and systemic protection against leaf spot diseases caused by Bipolaris sorokiniana , bicolor Drechslera tritici‐repentis . Xantham gum preparation effective inducing when applied 48 h before the challenge pathogen. Microscopic studies pathogen...

10.1046/j.1439-0434.2003.00742.x article EN Journal of Phytopathology 2003-07-30

Ganoderma lucidum (Fr.) Krast, a basidiomycete belonging to the Ganodermataceae family is one of most famous traditional Chinese medicinal herbs, used as healthy food and in medicine. In Brazil, some people produced also same process indicated that nutriceutical product. The dry three different states Brazil were milled extracted with hot water, water ethanol, ethanol only. results obtained demonstrated extracts HotWater Water-ethanolic presented more concentration beta-glucan proteins....

10.9755/ejfa.2015.05.309 article EN cc-by Emirates Journal of Food and Agriculture 2015-01-01

RESUMO Estudou-se o comportamento bioquímico do fígado de rãs-touro (Rana catesbeiana) sadias e doentes provenientes criações comerciais, no aspecto quantificação proteínas totais fenóis, atividade enzimática da peroxidase polifenoloxidase, glutationa na relação oxidada (GSH) reduzida (GSSG) concentração glicogênio. Os animais sadios apresentaram sempre maior totais, menor enzimática, número GSH/GSSG glicogênio, enquanto que os resultados inversos. As lesões hepáticas caracterizaram-se por...

10.1590/1808-1657v71p1472004 article PT cc-by Arquivos do Instituto Biológico 2004-04-01

In barley plants (BRS-195), the disease detected as spot blotch is caused by Bipolaris sorokiniana, and most deleterious for producers beer industry. For fungicides mediated control of this can cause risks to environment human health. To eliminate these drawbacks, one methods considered use natural products. The purpose present study was investigate extract leaves from Bauhinia variegata Link. Opera® fungicide (active ingredient: pyraclostrobin) controlling sorokiniana in plants. Brazil...

10.9755/ejfa.v26i7.18194 article EN cc-by Emirates Journal of Food and Agriculture 2014-01-01

Abstract Chitin hydrogels of poly(vinylpyrrolidone) (VP) were prepared by means the hydrogen peroxide graft copolymerization process. The effect VP grafted chain on water diffusion through biopolymer was studied. Fourier transform infrared spectra VP‐g‐Ch showed an increase in intensities hydroxyl and carbonyl stretching bands indicating a reduction bonding chitin. An investigation undertaken regarding adsorption nickel(II) cadmium(II) ions from aqueous solutions chitin effects grafting...

10.1002/app.20114 article EN Journal of Applied Polymer Science 2004-02-19
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