MD869G2 - Process for preparation of tannins and accompanying products from the grape seeds - Google Patents

Process for preparation of tannins and accompanying products from the grape seeds

Info

Publication number
MD869G2
MD869G2 MD97-0087A MD970087A MD869G2 MD 869 G2 MD869 G2 MD 869G2 MD 970087 A MD970087 A MD 970087A MD 869 G2 MD869 G2 MD 869G2
Authority
MD
Moldova
Prior art keywords
tannins
grape seeds
preparation
seeds
fragments
Prior art date
Application number
MD97-0087A
Other languages
Romanian (ro)
Russian (ru)
Other versions
MD869F1 (en
Inventor
Петру ПАРАСКА
Nina DUBASARU
Dionis Uratu
Irina Tudose
Mihail-Gabriel Popescu
Original Assignee
Национальный Институт Винограда И Вина
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Национальный Институт Винограда И Вина filed Critical Национальный Институт Винограда И Вина
Priority to MD97-0087A priority Critical patent/MD869G2/en
Publication of MD869F1 publication Critical patent/MD869F1/en
Publication of MD869G2 publication Critical patent/MD869G2/en

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Abstract

The invention relates to the food and medicine industry, particularly, to one of the processes for preparation of tannins of the grape seeds.The process includes the grape seeds reducing in fragments, mixing thereof with the neutral adsorbent, washing with the organic solvent for accompanying products separation, extraction of tannins by the organic solvent with further its destillation and as the neutral adsorbent is used the natural chalk and /or the chalk like lime stone having dispersion rate of 0,5...2,0 mm and the specific surface of 35,0...40,0 m2/g, it is mixed with the reduced in fragments seeds at the ratio of the specific surfaces of 0,05÷0,17: 1, and the tannins extraction is made during 18-24 hours at the extract velocity of 1...2 m/h.The technical result consists in the tannins yield and purity degree increasing.
MD97-0087A 1997-03-24 1997-03-24 Process for preparation of tannins and accompanying products from the grape seeds MD869G2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
MD97-0087A MD869G2 (en) 1997-03-24 1997-03-24 Process for preparation of tannins and accompanying products from the grape seeds

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
MD97-0087A MD869G2 (en) 1997-03-24 1997-03-24 Process for preparation of tannins and accompanying products from the grape seeds

Publications (2)

Publication Number Publication Date
MD869F1 MD869F1 (en) 1997-11-30
MD869G2 true MD869G2 (en) 1998-10-31

Family

ID=19738987

Family Applications (1)

Application Number Title Priority Date Filing Date
MD97-0087A MD869G2 (en) 1997-03-24 1997-03-24 Process for preparation of tannins and accompanying products from the grape seeds

Country Status (1)

Country Link
MD (1) MD869G2 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
MD3125G2 (en) * 2005-12-06 2007-05-31 Институт Химии Академии Наук Молдовы Process for obtaining water-soluble enotanins
MD293Z (en) * 2009-12-21 2011-07-31 Univ Nicolae Testemitanu Use of water-soluble oenotannin for the treatment of gastric and duodenal ulcer

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU431860A1 (en) * 1973-01-12 1974-06-15

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU431860A1 (en) * 1973-01-12 1974-06-15

Also Published As

Publication number Publication date
MD869F1 (en) 1997-11-30

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Legal Events

Date Code Title Description
FG3A Granted patent for invention
IF99 Valid patent on 19990615

Free format text: EXPIRES: 20170324

KA4A Patent for invention lapsed due to non-payment of fees (with right of restoration)
MM4A Patent for invention definitely lapsed due to non-payment of fees