| Composition of pomegranate juice. | |
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MedLine Citation:
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PMID: 22468355 Owner: NLM Status: In-Process |
Abstract/OtherAbstract:
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A database of 793 commercial pomegranate juices was analyzed to produce a profile for authentication of pure pomegranate juice. The database consisted of data from a mix of authentic and adulterated samples. Statistical tools were used to reduce the database to a stable sample set of 477 presumably authentic samples. The profile obtained (mean, SD at 16 Brix) are as follows: fructose (g/100 g) 6.83, 0.50; glucose (g/100 g) 6.66, 0.44; sucrose (g/100 g) 0.00, 0.00; sorbitol (g/100 g) 0.00, 0.01; acidity (g/100 g as citric acid) 1.25, 0.32; citric acid (g/100 g) 1.19, 0.30; malic acid (g/100 g) 0.065, 0.034; tartaric acid (g/100 g) 0.00, 0.00; isocitric acid (mg/kg) 63, 21; potassium (mg/kg) 2320, 400; proline (mg/kg) 7, 5; formol value [milliequivalents/100 g] 1.00, 0.24; 13C/12C ratio [o/oo Pee Dee belemnite]-26.4, 0.8. The profile samples had a consistent anthocyanin pattern consisting of four major peaks corresponding to delphinidin-3,5-diglucoside, delphinidin-3-glucoside, cyanidin-3,5-diglucoside, and cyanidin-3-glucoside. Minor peaks corresponding to pelargonidin-3,5-diglucoside and pelargonidin-3-glucoside were also generally present. No maltose, D-malic acid, or tartaric acid were detected in any of the samples. The profile obtained corresponds closely with previously published data. |
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Authors:
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Dana A Krueger |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Journal of AOAC International Volume: 95 ISSN: 1060-3271 ISO Abbreviation: J AOAC Int Publication Date: 2012 Jan-Feb |
Date Detail:
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Created Date: 2012-04-03 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 9215446 Medline TA: J AOAC Int Country: United States |
Other Details:
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Languages: eng Pagination: 163-8 Citation Subset: IM |
Affiliation:
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Krueger Food Laboratories, Inc., 45 Manning Rd, Billerica, MA 01821, USA. dkrueger@kfl.com |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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