Process for preparing natural alkannin
The present invention discloses a preparation method of natural redroot gromwell colouring matter. It is characterized by that said preparation method includes the following steps: using redroot gromwell root as raw material, directly soaking it in n-hexane, through leaching, concentration, filterin...
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| creator | ZHUYING SUN SHUFEN LI JINGLIN LI |
| description | The present invention discloses a preparation method of natural redroot gromwell colouring matter. It is characterized by that said preparation method includes the following steps: using redroot gromwell root as raw material, directly soaking it in n-hexane, through leaching, concentration, filtering and refining, obtaining a black-red thick paste-like oil-soluble colouring matter, through emulsifying, adsorption, spraying and drying, obtaining a purplish red water-soluble solid powder, and further through regulating, it is also able to obtain a blue-black water-soluble solid powder. Said invention can use a set of equipment to simultaneously produce oil-soluble, water-soluble, blue and red series products as ideal food additives. |
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It is characterized by that said preparation method includes the following steps: using redroot gromwell root as raw material, directly soaking it in n-hexane, through leaching, concentration, filtering and refining, obtaining a black-red thick paste-like oil-soluble colouring matter, through emulsifying, adsorption, spraying and drying, obtaining a purplish red water-soluble solid powder, and further through regulating, it is also able to obtain a blue-black water-soluble solid powder. Said invention can use a set of equipment to simultaneously produce oil-soluble, water-soluble, blue and red series products as ideal food additives.</description><edition>6</edition><language>eng</language><subject>ADHESIVES ; CHEMISTRY ; DYES ; LAKES ; METALLURGY ; MISCELLANEOUS APPLICATIONS OF MATERIALS ; MISCELLANEOUS COMPOSITIONS ; MORDANTS ; NATURAL RESINS ; ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES ; PAINTS ; POLISHES</subject><creationdate>1999</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=19990203&DB=EPODOC&CC=CN&NR=1206726A$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,776,881,25542,76290</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&date=19990203&DB=EPODOC&CC=CN&NR=1206726A$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>ZHUYING SUN</creatorcontrib><creatorcontrib>SHUFEN LI</creatorcontrib><creatorcontrib>JINGLIN LI</creatorcontrib><title>Process for preparing natural alkannin</title><description>The present invention discloses a preparation method of natural redroot gromwell colouring matter. It is characterized by that said preparation method includes the following steps: using redroot gromwell root as raw material, directly soaking it in n-hexane, through leaching, concentration, filtering and refining, obtaining a black-red thick paste-like oil-soluble colouring matter, through emulsifying, adsorption, spraying and drying, obtaining a purplish red water-soluble solid powder, and further through regulating, it is also able to obtain a blue-black water-soluble solid powder. Said invention can use a set of equipment to simultaneously produce oil-soluble, water-soluble, blue and red series products as ideal food additives.</description><subject>ADHESIVES</subject><subject>CHEMISTRY</subject><subject>DYES</subject><subject>LAKES</subject><subject>METALLURGY</subject><subject>MISCELLANEOUS APPLICATIONS OF MATERIALS</subject><subject>MISCELLANEOUS COMPOSITIONS</subject><subject>MORDANTS</subject><subject>NATURAL RESINS</subject><subject>ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES</subject><subject>PAINTS</subject><subject>POLISHES</subject><fulltext>true</fulltext><rsrctype>patent</rsrctype><creationdate>1999</creationdate><recordtype>patent</recordtype><sourceid>EVB</sourceid><recordid>eNrjZFALKMpPTi0uVkjLL1IoKEotSCzKzEtXyEssKS1KzFFIzMlOzMvLzONhYE1LzClO5YXS3Azybq4hzh66qQX58anFBYnJqXmpJfHOfoZGBmbmRmaOxoRVAADr3ibq</recordid><startdate>19990203</startdate><enddate>19990203</enddate><creator>ZHUYING SUN</creator><creator>SHUFEN LI</creator><creator>JINGLIN LI</creator><scope>EVB</scope></search><sort><creationdate>19990203</creationdate><title>Process for preparing natural alkannin</title><author>ZHUYING SUN ; SHUFEN LI ; JINGLIN LI</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-epo_espacenet_CN1206726A3</frbrgroupid><rsrctype>patents</rsrctype><prefilter>patents</prefilter><language>eng</language><creationdate>1999</creationdate><topic>ADHESIVES</topic><topic>CHEMISTRY</topic><topic>DYES</topic><topic>LAKES</topic><topic>METALLURGY</topic><topic>MISCELLANEOUS APPLICATIONS OF MATERIALS</topic><topic>MISCELLANEOUS COMPOSITIONS</topic><topic>MORDANTS</topic><topic>NATURAL RESINS</topic><topic>ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES</topic><topic>PAINTS</topic><topic>POLISHES</topic><toplevel>online_resources</toplevel><creatorcontrib>ZHUYING SUN</creatorcontrib><creatorcontrib>SHUFEN LI</creatorcontrib><creatorcontrib>JINGLIN LI</creatorcontrib><collection>esp@cenet</collection></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext_linktorsrc</fulltext></delivery><addata><au>ZHUYING SUN</au><au>SHUFEN LI</au><au>JINGLIN LI</au><format>patent</format><genre>patent</genre><ristype>GEN</ristype><title>Process for preparing natural alkannin</title><date>1999-02-03</date><risdate>1999</risdate><abstract>The present invention discloses a preparation method of natural redroot gromwell colouring matter. It is characterized by that said preparation method includes the following steps: using redroot gromwell root as raw material, directly soaking it in n-hexane, through leaching, concentration, filtering and refining, obtaining a black-red thick paste-like oil-soluble colouring matter, through emulsifying, adsorption, spraying and drying, obtaining a purplish red water-soluble solid powder, and further through regulating, it is also able to obtain a blue-black water-soluble solid powder. Said invention can use a set of equipment to simultaneously produce oil-soluble, water-soluble, blue and red series products as ideal food additives.</abstract><edition>6</edition><oa>free_for_read</oa></addata></record> |
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| subjects | ADHESIVES CHEMISTRY DYES LAKES METALLURGY MISCELLANEOUS APPLICATIONS OF MATERIALS MISCELLANEOUS COMPOSITIONS MORDANTS NATURAL RESINS ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES PAINTS POLISHES |
| title | Process for preparing natural alkannin |
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