Results 91 to 100 of about 358 (121)
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A limonin‐degrading enzyme in citrus albedo
Journal of the Science of Food and Agriculture, 1971AbstractExperiments are described which demonstrate the presence in the albedo of Navel and Valencia oranges of a system with the properties of an enzyme capable of degrading limonin, the bitter principle of orange juice.
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Radioimmunoassay for the determination of limonin in Citrus
Phytochemistry, 1980Abstract An 125 I-radioimmunoassay technique has been developed for the triterpenoid bitter principle, limonin. Synthesis of the iodinated tracer and the limonin—bovine serum albumin conjugate are described. The antibody has a high affinity ( K a 1.1 x 10 9 l/mol) and specificity for limonin and the detection limit of the assay is 0.07 ng or 0.7 ...
Richard L. Mansell, Elmar W. Weiler
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Zur Konstitution des Limonins I. Über den Verlauf der alkalischen Hydrolyse von Limonin und Limonol
Helvetica Chimica Acta, 1957AbstractThe ketonic bitter principle limonin and the corresponding secondary alcohol limonol have been shown to undergo a deep‐seated hydrolytic cleavage in the presence of alkali. The course of these cleavages which lead to a new series of compounds with 20 and 21 carbon atoms respectively, involves the splitting of a β‐substituted furan nucleus ...
A. Melera +3 more
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Removal of limonin from bitter orange juice
Journal of the Science of Food and Agriculture, 1968AbstractPolyamides are shown to be effective adsorbents for removal of the bitter principle, limonin, from pasteurised Washington Navel orange juice. The extent of limonin removal varies with different juices, but sufficient can be removed by one or two treatments to bring the concentration below the organoleptically detectable level.
B. V. Chandler +2 more
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Stability of limonin glucoside in beverage matrices
Journal of the Science of Food and Agriculture, 2008AbstractBACKGROUND: We completed a study over a 200‐day period examining the stability of limonin glucoside formulated into three beverage matrices.RESULTS: Beverages containing limonin glucoside were found to contain limonin (0.13–20.10 mg L−1) during their initial testing; however, these concentrations were directly attributable to the presence of ...
Andrew P Breksa III +2 more
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European Food Research and Technology, 2008
Limonin is well-known to induce the so-called “delayed” bitterness which is developing during standing and/or processing of orange juice. The objective of this study was to investigate the hydrolytic liberation of limonin from its precursor limonin-17-β-d-glucopyranoside in aqueous model solutions and orange juice samples. Quantitative model studies on
Anneke Glabasnia, Thomas Hofmann
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Limonin is well-known to induce the so-called “delayed” bitterness which is developing during standing and/or processing of orange juice. The objective of this study was to investigate the hydrolytic liberation of limonin from its precursor limonin-17-β-d-glucopyranoside in aqueous model solutions and orange juice samples. Quantitative model studies on
Anneke Glabasnia, Thomas Hofmann
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Limonin Bitterness in Citrus Juices
1999Bitterness due to limonin in a variety of citrus juices, generally referred to as delayed bitterness, is a major problem of the citrus industry worldwide and has a significant negative economic impact. Significant progress has been made during the past 30 years in understanding the flavor chemistry and biochemistry of citrus limonoids.
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Food Chemistry
Limonin is an intensely bitter and highly oxidized tetracyclic triterpenoid secondary metabolite, which is abundant in the Rutaceae and Meliaceae, especially in Citrus. In order to detect limonin content in complex substrates such as citrus and traditional Chinese medicine, monoclonal antibodies specifically recognizing limonin were prepared and an ...
Di, Sun +9 more
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Limonin is an intensely bitter and highly oxidized tetracyclic triterpenoid secondary metabolite, which is abundant in the Rutaceae and Meliaceae, especially in Citrus. In order to detect limonin content in complex substrates such as citrus and traditional Chinese medicine, monoclonal antibodies specifically recognizing limonin were prepared and an ...
Di, Sun +9 more
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Acta Crystallographica Section C Crystal Structure Communications, 1990
K. Takahashi, M. Obayashi, M. Nakatani
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K. Takahashi, M. Obayashi, M. Nakatani
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