shikimic acid determination spectrophotometric

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Evaluation of Spectrophotometric and HPLC Methods for Shikimic Acid Determination in Plants: Models in Glyphosate-Resistant and -Susceptible Crops

Evaluation of Spectrophotometric and HPLC Methods for Shikimic Acid Determination in Plants: Models in Glyphosate-Resistant and -Susceptible Crops Ian A. Zelaya,*,†,^ Jennifer A. H. Anderson,‡ Micheal D. K. Owen,† and Reid D. Landes †3218

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EVALUATION OF SPECTROPHOTOMETRIC METHODS FOR SHIKIMIC ACID

EVALUATION OF SPECTROPHOTOMETRIC METHODS FOR SHIKIMIC ACID DETERMINATION IN PLANTS. Ian A. Zelaya and Micheal D.K. Owen, Graduate Research Assistant and Professor, Department of Agronomy, Iowa State University, Ames, IA 50011.

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Evaluation of spectrophotometric and HPLC methods for shikimic acid determination in plants: models in glyphosate-resistant and -susceptible crops

Endogenous shikimic acid determinations are routinely used to assess the efficacy of glyphosate in plants. Numerous analytical methods exist in the public domain for the detection of shikimic acid, yet the most commonly cited comprise spectropho

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Evaluation of Spectrophotometric and HPLC Methods for Shikimic Acid Determination in Plants: Models in Glyphosate-Resistant and -Susceptible Crops

9/11/2019 · Endogenous shikimic acid determinations are routinely used to assess the efficacy of glyphosate in plants. Numerous analytical methods exist in the public domain for the detection of shikimic acid, yet the most commonly cited comprise spectropho

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Evaluation of Spectrophotometric and HPLC Methods for Shikimic Acid Determination in Plants: Models in Glyphosate-Resistant and -Susceptible Crops

Spectrophotometric Determination of SA. SA extracts were analyzed according to the method reported by Zelaya et al. 30 SA extracts (250 μL) were mixed with a 0.5% periodate (w/v) and 0.5% sodium

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Evaluation of spectrophotometric and HPLC methods for shikimic acid determination in plants:… – Abstract – Europe PMC

Endogenous shikimic acid determinations are routinely used to assess the efficacy of glyphosate in plants. Numerous analytical methods exist in the public domain for the detection of shikimic acid, yet the most commonly cited comprise spectropho

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A microcolorimetric method for the determination of shikimic acid – ScienceDirect

A spectrophotometric determination of shikimic acid, based on the reaction of the periodate oxidation product of shikimic acid with aniline to yield a Schiff's base, is described. 2. Sugars, amino acids, and other organic acid so far tested

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Determination of shikimate in crude plant extracts by micellar electrokinetic capillary chromatography – ScienceDirect

20/10/2006 · Shikimic acid has mainly been detected by HPLC , , , , , , , but also by GC and by a spectrophotometric assay . Recently, methods for determining shikimic acid by capillary zone electrophoresis (CZE) with direct and indirect detection have been

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Comparison of shikimic acid determination by capillary zone electrophoresis with direct and indirect detection with liquid chromatography for

HPLC method with spectrophotometric detection was carried out for the determination of quinic and shikimic acids in the honey, the propolis and in the products from them The SEPARON SGX C18 and

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(PDF) Comparison of shikimic acid determination by capillary zone electrophoresis with direct and indirect detection with liquid chromatography

The three methodologies permitted 3224. the determination of shikimic acid concentrations in a range [21] A. De Villiers, G. Vanhoenacker, F. Lynen, P. Sandra, Electrophoresis applicable to red wine samples without sample pre

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Assay Comparison for Measuring Shikimate in Glyphosate-Treated Plant Species

11/3/2017 · spectrophotometric plate determination of shikimate, especially if quinic acid concentrations in extracts are high. Abstract Glyphosate inhibits 5-enolpyruvyl-shikimate-3-phosphate (EPSP) synthase in the shikimate pathway of susceptible plant

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Volatile acidity, Fixed acidity, Organic acids:p163-170

The determination of these acids is performed with reference to an external standard analyzed under similar conditions. This method is also able to give an evaluation of contents of shikimic, acetic, succinic and fumaric acids. Note: other types

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Analysis of Organic Acids in Fruit Juices by HPLC and UV Detection

Shikimic Acid Citric Acid Figure 3 presents examples of the linearity plots for four of the organic acids. These four, as well as the other six organic acids, all resulted in R2 values > 0.999. 4 Four fruit juices were subsequently analyzed,

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Comparison of shikimic acid determination by capillary zone electrophoresis with direct and indirect detection with liquid chromatography for

Two capillary zone electrophoretic (CZE) methods for determination of shikimic acid in Chilean red wine were developed and compared with a HPLC method. Both electrophoretic methods were carried out by using a reversed electroosmotic flow induced

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HPLC DETERMINATION OF ORGANIC ACIDS IN MOROCCAN APRICOT

spectrophotometric, conductimetric or electrochemical detection (Buchberger, 2000). This work is a contribution to the development of a rapid and precise HPLC procedure for quantitative determination of organic acids of Moroccan apricot using a

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