ES423063A1 - Un nuevo procedimiento de extraccion de 5,7-3',4'-tetrahi- droxi-3,4-flavanodiol y de sus oligomeros a partir de sus- tancias vegetales. - Google Patents

Un nuevo procedimiento de extraccion de 5,7-3',4'-tetrahi- droxi-3,4-flavanodiol y de sus oligomeros a partir de sus- tancias vegetales.

Info

Publication number
ES423063A1
ES423063A1 ES423063A ES423063A ES423063A1 ES 423063 A1 ES423063 A1 ES 423063A1 ES 423063 A ES423063 A ES 423063A ES 423063 A ES423063 A ES 423063A ES 423063 A1 ES423063 A1 ES 423063A1
Authority
ES
Spain
Prior art keywords
leucocyanidol
plants
extraction
methyl
ethyl ketone
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
ES423063A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
OBERLIN LAB
Original Assignee
OBERLIN LAB
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 OBERLIN LAB filed Critical OBERLIN LAB
Publication of ES423063A1 publication Critical patent/ES423063A1/es
Expired legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D311/00—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings
    • C07D311/02—Heterocyclic compounds containing six-membered rings having one oxygen atom as the only hetero atom, condensed with other rings ortho- or peri-condensed with carbocyclic rings or ring systems
    • C07D311/04—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring
    • C07D311/22—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4
    • C07D311/26—Benzo[b]pyrans, not hydrogenated in the carbocyclic ring with oxygen or sulfur atoms directly attached in position 4 with aromatic rings attached in position 2 or 3
    • C07D311/40—Separation, e.g. from natural material; Purification

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pyrane Compounds (AREA)
  • Medicines Containing Plant Substances (AREA)
  • Compounds Of Unknown Constitution (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

Un nuevo procedimiento de extracción de 5,7,-3,4-tetrahidroxi-3,4-flavanodiol y de sus oligómeros a partir de sustancias vegetales, caracterizado por utilizar un disolvente selectivo que contiene metil-etil-cetona y recoger y tratar posteriormente la fase orgánica cetónica para recuperar el producto deseado.
ES423063A 1973-02-16 1974-02-08 Un nuevo procedimiento de extraccion de 5,7-3',4'-tetrahi- droxi-3,4-flavanodiol y de sus oligomeros a partir de sus- tancias vegetales. Expired ES423063A1 (es)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7305599A FR2218109A1 (en) 1973-02-16 1973-02-16 Extraction of leucocyanidol - from plants using methyl-ethyl ketone as selective solvent

Publications (1)

Publication Number Publication Date
ES423063A1 true ES423063A1 (es) 1976-04-16

Family

ID=9114961

Family Applications (1)

Application Number Title Priority Date Filing Date
ES423063A Expired ES423063A1 (es) 1973-02-16 1974-02-08 Un nuevo procedimiento de extraccion de 5,7-3',4'-tetrahi- droxi-3,4-flavanodiol y de sus oligomeros a partir de sus- tancias vegetales.

Country Status (4)

Country Link
BE (1) BE810650A (es)
DE (1) DE2407294C2 (es)
ES (1) ES423063A1 (es)
FR (1) FR2218109A1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2725447B1 (fr) * 1994-10-11 1996-12-27 Sanofi Sa Procede d'obtention d'oligomeres procyanidoliques
EP1502594A1 (en) * 2003-07-31 2005-02-02 Pynogin GmbH A health care composition for decreasing the risk of thrombosis including a mixture of proanthocyanidins and sesquiterpenes

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2092743A1 (en) * 1970-06-15 1972-01-28 Aquitaine Invest Pharma Complete extraction of total flavanol gomers from plats -peripheral - venous activity

Also Published As

Publication number Publication date
DE2407294A1 (de) 1974-08-22
BE810650A (fr) 1974-05-29
FR2218109B1 (es) 1976-08-13
FR2218109A1 (en) 1974-09-13
DE2407294C2 (de) 1983-09-22

Similar Documents

Publication Publication Date Title
JPS5554003A (en) Extracting treatment method of vegetable and animal material
GB1375430A (es)
AT345318B (de) Entblaetterung von baumwollpflanzen, apfelbaeumen, hibiscuspflanzen, weinreben und rosen
FR2092743A1 (en) Complete extraction of total flavanol gomers from plats -peripheral - venous activity
ES423063A1 (es) Un nuevo procedimiento de extraccion de 5,7-3',4'-tetrahi- droxi-3,4-flavanodiol y de sus oligomeros a partir de sus- tancias vegetales.
CA1021791A (en) PROCESS OF PREPARING .alpha.-FORMYL SULFIDES AND 2-HYDROCARBYLTHIOALDOXIMES THEREFROM
IT965963B (it) Procedimento ed impianto per produrre 2 cloro butadiene 1,3
Schlack A Freudian look at Mrs. Dalloway.
ES426711A1 (es) Procedimiento para la preparacion de 17b-hidroxi-16,16-di- metilester-4en-3-ona.
ES459214A1 (es) Procedimiento para la preparacion de una solucion sobresatu-rada de dinitrato de isosorbita.
IE772248L (en) Extraction of heparin
FR1286939A (fr) Groupe d'éclaircissage de plants, notamment de betteraves
Shanditsev ESR Investigation of CrTe at Pressures Up to 50 Kbars
FR2405988A1 (fr) Procede de conservation et de stabilisation de l'huile de noix de coco parfumee
KR840003418A (ko) 항암제 및 백혈병 치료약 제조방법
GB1241136A (en) New dioxazines and process for their manufacture
GB1402618A (en) Extracting wax from bark
CA979007A (en) Method of extraction of l-dopa from plant material
GB1201742A (en) Separation of isomers of 1,4-dialkyl- and 1 - alkyl - 4 - alkenyl - 1,2 - epoxycyclohexanes
ES291317A1 (es) Procedimiento de polimerización de 1,3-butadieno para obtener polibutadieno
NL7512483A (nl) Hydraulische winning van brokkelig, koolstof- houdend materiaal.
RO96351A2 (ro) Procedeu de obtinere a unui amestec de carotinoide din deseuri vegetale
GB1185825A (en) Improvements relating to Hair Treatment Preparations
GB1247224A (en) The extraction of pyrethrum
JPS53103460A (en) Preparation of purified alpha-nitro-beta-chloroanthraquinone