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Search results for: Text "Gallic acid" - all of the words(Protocol search)

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Pub. Date: Jan-01-2015; DOI:10.1007/978-1-4939-1441-8_16
Summary: to PP concentration that is used in this assay to calculate antioxidant activity with respect to an antioxidant standard, gallic acid (GA), wherein the slope of a color intensity versus concentration...
Pub. Date: Apr-01-2009; DOI:10.1007/978-1-60327-287-2_1
Summary: at 120°C 1.2.2 Estimation of Total Phenols 1. 2 N folin-cicalteu reagent (Sigma). Store at 4°C. 2. Gallic acid (Sigma). Generally 1,000 ppm stock is prepared and stored at 4°C in the dark (see Note 4). 3...
Pub. Date: Mar-19-2007; DOI:10.1007/978-1-59745-098-0_4
Summary: . Reflux for 2 h, allow to cool, make up to 1 L, and store in dark (30). 3. Saturated sodium carbonate solution. 4. Gallic acid. 5. 1 N NaOH. 6. 2 N HCl. 2.1 cDNA Isolation, Expression, and Enzyme...
Pub. Date: July-06-2007; DOI:10.1007/978-1-59745-425-4_13
Summary: tannins but may provide limited information for complex oligomeric hydrolyzable tannins. The rhodanine method (9) determines gallotannins as gallic acid equivalent. In this method, gallotannins...
Pub. Date: Jan-01-2015; DOI:10.1007/978-1-4939-1441-8_24
Summary: antioxidants and presented in Table 1 [26]. It has to be stressed that no pair of applied methods resulted in the same order of activity for gallic acid, caffeic acid, sinapic acid, isoeugenol, uric acid...
Pub. Date: Oct-08-2012; DOI:10.1007/978-1-61779-986-0_16
Summary: , 0.5, 0.4, 0.3, 0.2, 0.1 mM). 2.3 Total Phenolic Content Procedure Components 1. Preparing solution for the standard curve. Use gallic acid (GA) as a standard for the calibration curve (0.1, 0.5, 1...
Pub. Date: Aug-01-2008; DOI:10.1007/978-1-60327-517-0_14
Summary: is fast for compounds like ascorbic acid, gallic acid, and quercetin but slow for naringin and naringenin, the latter compounds are assayed after incubation at 50°C on a water bath for 20 min...
Pub. Date: Oct-21-2009; DOI:10.1007/978-1-60761-411-1_24
Summary: soluble derivative of vitamin E), gallic acid, or catechins. The common methods to evaluate antioxidant potential of polyphenols are listed below: 1. TEAC (Trolox Equivalent Antioxidant Capacity) method...
Author(s): Jagan V. Valluri
Pub. Date: Apr-01-2009; DOI:10.1007/978-1-60327-287-2_26
Summary: Determination of Phenols 1. 2 N Folin-Cicalteu reagent (Sigma). Store at 4°C. 2. Gallic acid (Sigma). Generally 1000 ppm stock is prepared and stored at 4°C in the dark (see Note 8 ). 26.2.1 Establishment...
Pub. Date: Jan-04-2008; DOI:10.1007/978-1-59745-376-9_23
Summary: -coumaric acid 4.63, 9.58 164.2 phthalic acid 2.95, 5.41 166.1 4-tertiobuthylcatechol 10.03, 12.71 166.2 vanillic acid 4.47 168.2 gallic acid 4.32, 8.86, 10.68 170.1 ascorbic acid 3.94, 12.78 176.1 t-3,4...
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