Process for isolating phenolic compounds

The invention provides compositions and methods for isolating phenolic compounds, particularly isoflavones, from aqueous extracts of plant materials that contain such compounds. The process comprising: (a) providing an aqueous plant extract at a first pH less than 10, the aqueous plant extract compr...

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Hauptverfasser: HILBERT BRENT HOWARD, KHARE ANIL BHAGWAN
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creator HILBERT BRENT HOWARD
KHARE ANIL BHAGWAN
description The invention provides compositions and methods for isolating phenolic compounds, particularly isoflavones, from aqueous extracts of plant materials that contain such compounds. The process comprising: (a) providing an aqueous plant extract at a first pH less than 10, the aqueous plant extract comprising a plurality of phenolic compounds; (b) extracting the aqueous plant extract with a first organic solvent to yield a first organic extract; (c) extracting the first organic extract with an aqueous phase of pH greater than 10 to yield a phenol rich aqueous phase; (d) adjusting the pH of the phenol rich aqueous phase to a pH of less than 9; and (e) isolating the phenolic compounds from the phenol rich aqueous phase.
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The process comprising: (a) providing an aqueous plant extract at a first pH less than 10, the aqueous plant extract comprising a plurality of phenolic compounds; (b) extracting the aqueous plant extract with a first organic solvent to yield a first organic extract; (c) extracting the first organic extract with an aqueous phase of pH greater than 10 to yield a phenol rich aqueous phase; (d) adjusting the pH of the phenol rich aqueous phase to a pH of less than 9; and (e) isolating the phenolic compounds from the phenol rich aqueous phase.</description><language>chi ; eng</language><subject>CHEMISTRY ; DERIVATIVES THEREOF ; FOODS OR FOODSTUFFS ; FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J ; HETEROCYCLIC COMPOUNDS ; HUMAN NECESSITIES ; HYGIENE ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; NUCLEIC ACIDS ; NUCLEOSIDES ; NUCLEOTIDES ; ORGANIC CHEMISTRY ; PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS ; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES ; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL ; PROTEIN COMPOSITIONS FOR FOODSTUFFS ; SUGARS ; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT ; THEIR TREATMENT, NOT COVERED BY OTHER CLASSES ; WORKING-UP PROTEINS FOR FOODSTUFFS</subject><creationdate>2010</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20100512&amp;DB=EPODOC&amp;CC=CN&amp;NR=1556699B$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25564,76547</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20100512&amp;DB=EPODOC&amp;CC=CN&amp;NR=1556699B$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>HILBERT BRENT HOWARD</creatorcontrib><creatorcontrib>KHARE ANIL BHAGWAN</creatorcontrib><title>Process for isolating phenolic compounds</title><description>The invention provides compositions and methods for isolating phenolic compounds, particularly isoflavones, from aqueous extracts of plant materials that contain such compounds. 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subjects CHEMISTRY
DERIVATIVES THEREOF
FOODS OR FOODSTUFFS
FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BYSUBCLASSES A23B - A23J
HETEROCYCLIC COMPOUNDS
HUMAN NECESSITIES
HYGIENE
MEDICAL OR VETERINARY SCIENCE
METALLURGY
NUCLEIC ACIDS
NUCLEOSIDES
NUCLEOTIDES
ORGANIC CHEMISTRY
PHOSPHATIDE COMPOSITIONS FOR FOODSTUFFS
PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES
PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
PROTEIN COMPOSITIONS FOR FOODSTUFFS
SUGARS
THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OFNUTRITIVE QUALITIES, PHYSICAL TREATMENT
THEIR TREATMENT, NOT COVERED BY OTHER CLASSES
WORKING-UP PROTEINS FOR FOODSTUFFS
title Process for isolating phenolic compounds
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