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Showing 1 to 20 of 67 for “"Preservatives"”.
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Preservative treatment evaluation of five Appalachian wood species with four preservatives
… vacuum/pressure treated with the four wood preservatives creosote, chromated copper arsenate (CCA), ammoniacal copper quaternary compound Type-B (ACQ-B), and a borate preservative (TmborRTM). These preservatives were chosen because the first two are the most commonly used wood preservatives …
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Preservation and nutritional value of caged layer waste treated with different preservatives
Two experiments were conducted with caged layer waste. In the first experiment fresh waste was treated with: no additive, 2% formaldehyde, 3% sodium metabisulfite, 1% formaldehyde and 2% propionic acid, 3% formic and 2% propionic acids and stored in polyethylene lined 208 liter metal drums. In …
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An Evaluation of the Loss of Copper, Chromium, and Arsenic Preservatives From Pressure-Treated Lumber
This report investigated the different mechanisms that may be responsible for the liberations of copper, chromium, and arsenic from pressure-treated lumber. Leaching with cleansers, leaf extracts, and model compounds under several different scenarios provided data that suggests the chelation of CCA …
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Fundamental study of natural and synthetic antimicrobial peptides as novel preservatives against fungal food spoilage
… the potential of antimicrobial peptides as novel preservatives against spoilage fungi of food products. Antimicrobial peptides are short (<100 amino acids) components of the innate immune system widely spread amongst eukaryotic and prokaryotic kingdoms. A literature review about the diversity of …
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Efficacy of Ultraviolet Light in Combination with Chemical Preservatives for the Reduction of Escherichia coli in Apple Cider
… of this work were (1) to determine if chemical preservatives and ultraviolet light have a combined effect on the reduction of Escherichia coli in apple cider, and (2) to determine the influence of adding chemical preservatives at different points in the processing of juice (i.e., either prior to …
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Efficacy of high pressure processing in combination with chemical preservatives for the reduction of Escherichia coli O157:H7 and Salmonella in apple juice and orange juice
The effect of pressure on the log reduction of six strains of E. coli O157:H7 and five serovars of Salmonella enterica were investigated in tryptic soy broth, sterile distilled water and commercially sterile orange and apple juice. Samples were subjected to high hydrostatic pressure (HHP) at 300 …
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'n Ondersoek na die invloed van 8-hidroksikinoliensulfaat en n-6-bensielaminopurien op enkele aspekte van veroudering by angelierblomme
… 14c solution applied in presence of the preservatives, during incubation of petal and receptacle tissue, was determined. This was done to elucidate the effect of these preservatives on amino acid breakdown. Both BAP and HQS prolong the display life and have a beneficial effect on the …
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Contact allergy to formaldehyde. Diagnosis and clinical relevance.
Preservatives are biologically active substances mainly used in water-based products to prevent the growth of microorganisms. Most people are exposed to them on a daily basis. Formaldehyde is one of the oldest and most commonly used preservatives. However, it is a well-known contact sensitiser in …
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Pengaruh penambahan bahan pengawet alami dalam pembuatan edible coating berbasis pati singkong (Manihot utilissima Pohl) terhadap kualitas pasca panen cabai merah (Capsicum annum L).
… by human. This study was combining the natural preservatives with a long dyeing in an edible coating of cassava starch (Manihot utilissima Pohl). This study aims to know the influence of natural preservatives, long dyeing, and interaction of the red chili quality (Capsium annum L.). Parameters …
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Developability assessments and analytical characterization of recombinant protein antigens formulated as low-cost, multi-dose, aluminum-adjuvanted vaccines
… understand the compatibility of antimicrobial preservatives with recombinant protein vaccine antigens using a variety of analytical methods. The goal is to enable more rationale design and development of low-cost, multi-dose vaccine formulations. As described in Chapter 2, a two-step vaccine …
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A study on the application of synthetic antimicrobial peptides derived from plants for the reduction of yeast spoilage in food
… products intended for human consumption. Food preservatives and various preservation techniques that have been developed of decades within the food industry aim to slow the rate of food spoilage, therefore increasing the shelf-life of food products and control the level of food waste. Although …
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Impact of Microbial Inhibitors on the Nutritive Value of and Microbial Growth in Alfalfa Hay Containerized for Exported from the Humid Eastern U.S.
… of this study was to evaluate the impact of hay preservatives on the stability of containerized hay. Treatments included 1) propionic acid at baling, 2) propiopnic acid at baling + surface applied propionic acid at container loading, 3) propionic acid at baling + ammonization of the container …
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Ecological studies of fungi growing on isolated wood
… of cellulolytic thermophilous microfungi to wood preservatives indicate that they, were more tolerant to preservatives at above ambient temperature than at 250C.
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Ecological Studies of Fungi Growing on Insolated wood
… of cellulolytic thermophilous microfungi to wood preservatives indicate that they were more tolerant to preservatives at at above ambient temperature than at 25°C.
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Potential Antimicrobials for Controlling Listeria monocytogenes in Frankfurters
… consumers want more natural and organic preservatives to combat health problems from toxic components of former synthetic chemicals. Therefore, it is imperative that novel alternative antimicrobials be tested for its use in RTE meat. </p> <p>The need for alternative antimicrobials has …
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Mechanistic aspects of microbial invasion of wood
… of wood blocks treated with organic or CCA preservatives, only those preservatives with a volatile component influenced tropic responses. CCA treated blocks, even when leached, had no significant effect on the chenotropic response.<br/><br/>Aqueous extracts of sapwood of several wood species …
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The protein of Phleum pratense
… more appropriate bactericidal or bacteriostatic preservatives.</p>
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Coating Performance on Preservative Treated Wood
… life is significantly prolonged by the use of preservatives. Unfortunately, preservative treated wood is still susceptible to weathering degradation (UV and moisture) and subsequent leaching of preserving components. These negative impacts of weathering can be reduced by the application of a …
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A study of the mechanisms of antagonism by the biocontrol fungi <i>Trichoderma </i>against wood decay basidiomycetes
… concern regarding the use of hazardous wood preservatives is of increasing concern, and biological control may provide an attractive alternative to the use of toxic chemicals for wood protection. <i>Trichoderma </i>isolates are among the most widely researched biological control agents for …
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