PROCESS FOR ISOLATING PHYSALINS FROM PLANTS AND PHARMACEUTICAL COMPOSITIONS CONTAINING PHYSALINS
The present invention relates to a process for obtaining Physalis angulata extracts, particularly to isolate ergostane-type steroidal derivatives, such as physalins, which are useful in the treatment of infections caused by protozoans. The physalins of the invention have also prophylactic and therap...
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| creator | TOMASSINI THEREZINHA C. B SOARES RENATA O. DE A SOARES MILENA B. P XAVIER DEISE CRISTINA D RIBEIRO IVONE MARIA FERNANDEZ-FERREIRA EDMIR BARBI NANCY S DOS SANTOS RICARDO R |
| description | The present invention relates to a process for obtaining Physalis angulata extracts, particularly to isolate ergostane-type steroidal derivatives, such as physalins, which are useful in the treatment of infections caused by protozoans. The physalins of the invention have also prophylactic and therapeutic properties for treating auto-immune diseases in mammals. The isolation process to obtain physalins comprises the steps of: (a) grinding roots, leaves or stem-bark of Physalis ssp; (b) extracting the material obtained in step (a) with solvents selected from the group consisting of water and alcohols, such as methanol, ethanol, 1-propanol, 2-propanol, isobutanol; (c) evaporating the extract obtained in step (b) and washing the syrup material with a suitable solvent; (d) rapid filtering of the extract of step (c) and fractionating the components of the extract according to a polarity gradient of organic solvents; and (e) separating the steroidal components contained in the fractions by chromatography. |
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The isolation process to obtain physalins comprises the steps of: (a) grinding roots, leaves or stem-bark of Physalis ssp; (b) extracting the material obtained in step (a) with solvents selected from the group consisting of water and alcohols, such as methanol, ethanol, 1-propanol, 2-propanol, isobutanol; (c) evaporating the extract obtained in step (b) and washing the syrup material with a suitable solvent; (d) rapid filtering of the extract of step (c) and fractionating the components of the extract according to a polarity gradient of organic solvents; and (e) separating the steroidal components contained in the fractions by chromatography.</description><edition>7</edition><language>eng</language><subject>CHEMISTRY ; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC ; GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS ; HETEROCYCLIC COMPOUNDS ; HUMAN NECESSITIES ; HYGIENE ; MEDICAL OR VETERINARY SCIENCE ; METALLURGY ; ORGANIC CHEMISTRY ; PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES ; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS ; TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE ; TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><creationdate>2002</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&date=20020801&DB=EPODOC&CC=US&NR=2002103386A1$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76516</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=20020801&DB=EPODOC&CC=US&NR=2002103386A1$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>TOMASSINI THEREZINHA C. 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The isolation process to obtain physalins comprises the steps of: (a) grinding roots, leaves or stem-bark of Physalis ssp; (b) extracting the material obtained in step (a) with solvents selected from the group consisting of water and alcohols, such as methanol, ethanol, 1-propanol, 2-propanol, isobutanol; (c) evaporating the extract obtained in step (b) and washing the syrup material with a suitable solvent; (d) rapid filtering of the extract of step (c) and fractionating the components of the extract according to a polarity gradient of organic solvents; and (e) separating the steroidal components contained in the fractions by chromatography.</description><subject>CHEMISTRY</subject><subject>GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC</subject><subject>GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS</subject><subject>HETEROCYCLIC COMPOUNDS</subject><subject>HUMAN NECESSITIES</subject><subject>HYGIENE</subject><subject>MEDICAL OR VETERINARY SCIENCE</subject><subject>METALLURGY</subject><subject>ORGANIC CHEMISTRY</subject><subject>PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES</subject><subject>TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS</subject><subject>TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE</subject><subject>TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>2002</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNqNjLEKwjAURbM4iPoPAWchbUBcHzG1D9K8kJcOnWqROIkW6v9jBhc3pwvnHO5aXEMkY5llQ1Eik4OE_iJDOzA49IVH6mRw4BNL8OdiIHZgbJ_QgJOGukCMCam0hnwC9D8HW7G6T48l7767EfvGJtMe8vwa8zJPt_zM77HnWqm6UlqfjlDp_6oPppo1AA</recordid><startdate>20020801</startdate><enddate>20020801</enddate><creator>TOMASSINI THEREZINHA C. 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P</au><au>XAVIER DEISE CRISTINA D</au><au>RIBEIRO IVONE MARIA</au><au>FERNANDEZ-FERREIRA EDMIR</au><au>BARBI NANCY S</au><au>DOS SANTOS RICARDO R</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>PROCESS FOR ISOLATING PHYSALINS FROM PLANTS AND PHARMACEUTICAL COMPOSITIONS CONTAINING PHYSALINS</title><date>2002-08-01</date><risdate>2002</risdate><abstract>The present invention relates to a process for obtaining Physalis angulata extracts, particularly to isolate ergostane-type steroidal derivatives, such as physalins, which are useful in the treatment of infections caused by protozoans. The physalins of the invention have also prophylactic and therapeutic properties for treating auto-immune diseases in mammals. The isolation process to obtain physalins comprises the steps of: (a) grinding roots, leaves or stem-bark of Physalis ssp; (b) extracting the material obtained in step (a) with solvents selected from the group consisting of water and alcohols, such as methanol, ethanol, 1-propanol, 2-propanol, isobutanol; (c) evaporating the extract obtained in step (b) and washing the syrup material with a suitable solvent; (d) rapid filtering of the extract of step (c) and fractionating the components of the extract according to a polarity gradient of organic solvents; and (e) separating the steroidal components contained in the fractions by chromatography.</abstract><edition>7</edition><oa>free_for_read</oa></addata></record> |
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| subjects | CHEMISTRY GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS HETEROCYCLIC COMPOUNDS HUMAN NECESSITIES HYGIENE MEDICAL OR VETERINARY SCIENCE METALLURGY ORGANIC CHEMISTRY PREPARATIONS FOR MEDICAL, DENTAL, OR TOILET PURPOSES TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINSTCLIMATE CHANGE |
| title | PROCESS FOR ISOLATING PHYSALINS FROM PLANTS AND PHARMACEUTICAL COMPOSITIONS CONTAINING PHYSALINS |
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