Hagerman

Results: 627



#Item
31Phytochemicals / Polyphenol / Tannic acid / High-performance liquid chromatography / Ascorbic acid / Gallic acid / Ethanol / Tannin / Elution / Chemistry / Chromatography / Gallotannins

Fractionation of Tannic Acid  Ann E. Hagerman © 2002  From Hagerman and Klucher in Plant Flavonoids in Biology and Medicine: Biochemical,  Pharmacological and Structure Activity Relationships (

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Language: English - Date: 2011-01-12 14:30:32
32Ellagic acid / Pyridine / Hydrogen chloride / Fume hood / Water filter / Poly / Filtration / Chemistry / Ellagitannins / Analytical chemistry

Determination of Ellagitannins  Ann E. Hagerman © 2002  A functional group method for ellagitannins based on Wilson and Hagerman, J. Agric Food Chem.  38,1678‐1683 (1990). Ellagitannins in t

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Language: English - Date: 2011-01-12 14:29:06
33Natural phenol / Phenolic content in wine / Phenols / Redox / Aging of wine / Acids in wine / Chemistry / Phytochemicals / Polyphenol

General Phenolic Methods  Ann E. Hagerman © 2002  Phenolic compounds undergo characteristic reactions due to the chemistry of the phenolic functional  group. Among the most useful of these re

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Language: English - Date: 2011-01-12 14:31:00
34Laboratory techniques / Assay / Tannin / Polymerization / Chemistry / Food science / Proanthocyanidins

Vanillin/Acid Butanol Ratio for Degree of  Polymerization  Ann E. Hagerman © 2002  Without pure proanthocyanidin, the modified vanillin method cannot be used to directly estimate  degree of po

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Language: English - Date: 2011-01-12 14:35:16
35Hagerman National Wildlife Refuge / Birds of North America / Common Yellowthroat / Geothlypis

Patuxent Wildlife Research Center Grassland Breeding Birds on National Wildlife Refuges in the Northeast U.S. The Challenge: Grassland breeding birds have declined substantially in the Northeast and Mid-Atlantic States o

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Source URL: www.pwrc.usgs.gov

Language: English - Date: 2012-12-12 10:48:15
36Flavors / Otologicals / Solvents / Hydrogen chloride / Proanthocyanidin / Chemistry / Acetates / Acetic acid

DMBA Assay for Phlorotannin  Ann E. Hagerman © 2002  Contents  Introduction ....................................................................................................................................

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Language: English - Date: 2011-01-12 14:29:43
37Phenolic compounds in wine / Food and drink / Hydrolysable tannin / Oenology / Tannin / Phenolic content in wine / Ellagitannin / Tannic acid / Proanthocyanidin / Chemistry / Phenols / Gallotannins

Hydrolyzable Tannin Methods  Ann E. Hagerman (c) 2002  Functional group methods can be used to detect specific phenolic acids characteristic of the various  hydrolyzable tannins. Gallotannins ca

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Language: English - Date: 2011-01-12 14:31:26
38Nutrition / Oenology / Tannin / Phenolic content in wine / Phlorotannin / Hydrolysable tannin / Proanthocyanidin / Chemistry / Food and drink / Wine

Protein Precipitation by Tannins  Ann E. Hagerman © 2002  Although the ability to precipitate protein is the defining characteristic of tannins, the detailed chemistry  of the interaction is 

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Language: English - Date: 2010-12-23 16:48:24
39TE buffer / Buffer solution / Tannin / Assay / Bovine serum albumin / Chloramine / Bradford protein assay / Chemistry / Buffers / Bicinchoninic acid assay

Radiolabeled BSA Precipitation Method  Ann E. Hagerman © 2002  Contents  Introduction ..........................................................................................................................

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Language: English - Date: 2011-01-12 14:33:45
40Hagerman National Wildlife Refuge / Birds of North America / Common Yellowthroat / Geothlypis

Patuxent Wildlife Research Center Grassland Breeding Birds on National Wildlife Refuges in the Northeast U.S. The Challenge: Grassland breeding birds have declined substantially in the Northeast and Mid-Atlantic States o

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Source URL: www.pwrc.usgs.gov

Language: English - Date: 2012-12-12 10:48:15
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