{"id":8141,"date":"2021-12-14T12:27:40","date_gmt":"2021-12-14T11:27:40","guid":{"rendered":"https:\/\/www.iqac.csic.es\/un-estudi-mostra-que-la-diferencia-entre-el-cabell-africa-caucasic-i-asiatic-esta-determinada-per-la-distribucio-de-lipids\/"},"modified":"2026-06-16T10:47:08","modified_gmt":"2026-06-16T08:47:08","slug":"un-estudi-mostra-que-la-diferencia-entre-el-cabell-africa-caucasic-i-asiatic-esta-determinada-per-la-distribucio-de-lipids","status":"publish","type":"post","link":"https:\/\/www.iqac.csic.es\/ca\/un-estudi-mostra-que-la-diferencia-entre-el-cabell-africa-caucasic-i-asiatic-esta-determinada-per-la-distribucio-de-lipids\/","title":{"rendered":"Un estudi mostra que la difer\u00e8ncia entre el cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic est\u00e0 determinada per la distribuci\u00f3 de l\u00edpids"},"content":{"rendered":"<p>Un grup de recerca de l\u2019<a href=\"https:\/\/www.iqac.csic.es\/\">Institut de Qu\u00edmica Avan\u00e7ada de Catalunya (IQAC-CSIC),<\/a> en col\u00b7laboraci\u00f3 amb <a href=\"https:\/\/www.cells.es\/es\/\" target=\"_blank\" rel=\"noopener\">el Sincrotr\u00f3 ALBA<\/a>, ha estudiat i comparat la distribuci\u00f3 de l\u00edpids en\u00a0 fibra de cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic. M\u00e9s espec\u00edficament, el treball ha determinat la pres\u00e8ncia, distribuci\u00f3 i funci\u00f3 dels l\u00edpids de cada \u00e8tnia. Les difer\u00e8ncies observades poden explicar algunes de les propietats barrera contra subst\u00e0ncies externes que presenta cada tipus de cabell. En particular, es va demostrar que el cabell afric\u00e0 t\u00e9 m\u00e9s l\u00edpids altament desordenats, la qual cosa pot explicar la seva diferencia de l\u2019asi\u00e0tic i cauc\u00e0sic pel que fa respecte a la hidrataci\u00f3 i a la inflor (quan augmenta el contingut de l\u2019aigua dins de la fibra).<\/p>\n<p>Hi ha molt pocs estudis sobre la morfologia del cabell entre poblacions i, en general, estan centrats en la prote\u00efna de dins de les fibres del cabell, per\u00f2 els resultats mostren nom\u00e9s lleugeres difer\u00e8ncies entre \u00e8tnies, la qual cosa no pot explicar les difer\u00e8ncies f\u00edsiques. Tot i aix\u00f2, alguns estudis han determinat que els l\u00edpids juguen un paper clau en el manteniment d\u2019una adequada permeabilitat i el car\u00e0cter hidrof\u00f2bic (o \u201cimpermeable\u201d) en la superf\u00edcie de la fibra capil\u00b7lar.<\/p>\n<p>L\u2019equip de recerca ha observat difer\u00e8ncies en la fracci\u00f3 de l\u00edpids dels tres tipus de cabell. L\u2019estructura del cabell afric\u00e0 va mostrar el major contingut de l\u00edpids en totes les regions del cabell: la medul\u00b7la, que \u00e9s la part m\u00e9s central del cabell. L\u2019escor\u00e7a, que constitueix la major part del cabell i determina la seva for\u00e7a i color. I la cut\u00edcula, que \u00e9s la capa m\u00e9s externa del cabell, formada per c\u00e8l\u00b7lules superposades amb aparen\u00e7a d\u2019escates i protegeix l\u2019escor\u00e7a. El cabell asi\u00e0tic t\u00e9 la menor quantitat de l\u00edpids i el cabell cauc\u00e0sic t\u00e9 un ordre de l\u00edpids similar en totes les regions, que \u00e9s superior al de les cut\u00edcules de tipus asi\u00e0tic, segons estudis previs.<\/p>\n<p>Els resultats d&#8217;aquest treball poden tenir especial rellev\u00e0ncia per al sector de la qu\u00edmica i especialistes en desenvolupament de nous productes que treballen en el mercat de la cura del cabell \u00e8tnic.<\/p>\n<p>\u201cAmb la t\u00e8cnica de llum de sincrotr\u00f3 que hem usat, vam poder observar on hi ha m\u00e9s l\u00edpids en el cabell i com estan estructurats\u201d, va explicar <strong>Luisa Coderch<\/strong>, autora principal de l&#8217;article i investigadora del IQAC-CSIC. \u201cTots els cabells tenen m\u00e9s l\u00edpid en la part m\u00e9s interna i menys en l&#8217;externa. El cabell afric\u00e0 t\u00e9 m\u00e9s l\u00edpids i desordenats, cosa que significa que \u00e9s m\u00e9s permeable per a tenyir o per a tractaments capil\u00b7lars, al contrari que l&#8217;asi\u00e0tic\u201d, va concloure <strong>Coderch<\/strong>.<\/p>\n<p><strong>Experiments a la l\u00ednia de llum MIRAS del Sincrotr\u00f3 ALBA<\/strong><\/p>\n<p>Al Sincrotr\u00f3 ALBA es van dur a terme experiments de Micro-Espectrosc\u00f2pia d\u2019Infraroig amb Transformada de Fourier (FTIR) per estudiar la distribuci\u00f3 de la fracci\u00f3 lip\u00eddica en els cabells. L&#8217;alta brillantor de la llum de sincrotr\u00f3 juga un paper important en l&#8217;estudi dels fen\u00f2mens bioqu\u00edmics localitzats en c\u00e8l\u00b7lules individuals vives.<\/p>\n<p>L&#8217;estudi dels pics lip\u00eddics observats en els espectres d\u2019infraroig basats en sincrotr\u00f3 va permetre determinar la distribuci\u00f3 i l&#8217;ordre dels l\u00edpids en les diferents regions del cabell.<\/p>\n<p>El sincrotr\u00f3 ALBA \u00e9s l&#8217;\u00fanica font de llum sincrotr\u00f3 a Espanya. El seu funcionament, basat en un complex d&#8217;acceleradors d&#8217;electrons, permet visualitzar i analitzar la mat\u00e8ria i les seves propietats a nivell at\u00f2mic i molecular. L&#8217;ALBA compta amb nou l\u00ednies de llum en funcionament i quatre m\u00e9s en construcci\u00f3, les quals s&#8217;utilitzen per a experiments en biomedicina, nanotecnologia, ci\u00e8ncia de materials, patrimoni art\u00edstic i hist\u00f2ric, f\u00edsica, ci\u00e8ncies ambientals o qu\u00edmica, entre altres. ALBA genera al voltant de 6.000 hores de llum de sincrotr\u00f3 a l&#8217;any i rep m\u00e9s de 2.000 visites d&#8217;usuaris acad\u00e8mics i industrials a l&#8217;any.<\/p>\n<p><strong><a href=\"https:\/\/doi.org\/10.1111\/srt.13093\" target=\"_blank\" rel=\"noopener\">Llegeix l&#8217;article sencer.<\/a><\/strong><\/p>\n<p style=\"text-align: right;\"><strong>IQAC-CSIC Comunicaci\u00f3<\/strong><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Un grup de recerca de l\u2019Institut de Qu\u00edmica Avan\u00e7ada de Catalunya (IQAC-CSIC), en col\u00b7laboraci\u00f3 amb el Sincrotr\u00f3 ALBA, ha estudiat i comparat la distribuci\u00f3 de l\u00edpids en\u00a0 fibra de cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic. M\u00e9s espec\u00edficament, el treball ha determinat la pres\u00e8ncia, distribuci\u00f3 i funci\u00f3 dels l\u00edpids de cada \u00e8tnia. Les difer\u00e8ncies observades poden explicar<a class=\"more-link\" href=\"https:\/\/www.iqac.csic.es\/ca\/un-estudi-mostra-que-la-diferencia-entre-el-cabell-africa-caucasic-i-asiatic-esta-determinada-per-la-distribucio-de-lipids\/\">Continue reading <span class=\"screen-reader-text\">\u00abUn estudi mostra que la difer\u00e8ncia entre el cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic est\u00e0 determinada per la distribuci\u00f3 de l\u00edpids\u00bb<\/span><\/a><\/p>\n","protected":false},"author":3,"featured_media":8142,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[73],"tags":[],"class_list":["post-8141","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-news","entry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Un estudi mostra que la difer\u00e8ncia entre el cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic est\u00e0 determinada per la distribuci\u00f3 de l\u00edpids | IQAC - Institut de Qu\u00edmica Avan\u00e7ada de Catalunya - CSIC<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.iqac.csic.es\/un-estudio-muestra-que-la-diferencia-entre-el-cabello-africano-caucasico-y-asiatico-esta-determinada-por-la-distribucion-de-lipidos\/\" \/>\n<meta property=\"og:locale\" content=\"ca_ES\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Un estudi mostra que la difer\u00e8ncia entre el cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic est\u00e0 determinada per la distribuci\u00f3 de l\u00edpids | IQAC - Institut de Qu\u00edmica Avan\u00e7ada de Catalunya - CSIC\" \/>\n<meta property=\"og:description\" content=\"Un grup de recerca de l\u2019Institut de Qu\u00edmica Avan\u00e7ada de Catalunya (IQAC-CSIC), en col\u00b7laboraci\u00f3 amb el Sincrotr\u00f3 ALBA, ha estudiat i comparat la distribuci\u00f3 de l\u00edpids en\u00a0 fibra de cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic. M\u00e9s espec\u00edficament, el treball ha determinat la pres\u00e8ncia, distribuci\u00f3 i funci\u00f3 dels l\u00edpids de cada \u00e8tnia. 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M\u00e9s espec\u00edficament, el treball ha determinat la pres\u00e8ncia, distribuci\u00f3 i funci\u00f3 dels l\u00edpids de cada \u00e8tnia. Les difer\u00e8ncies observades poden explicarContinue reading \"Un estudi mostra que la difer\u00e8ncia entre el cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic est\u00e0 determinada per la distribuci\u00f3 de l\u00edpids\"","og_url":"https:\/\/www.iqac.csic.es\/un-estudio-muestra-que-la-diferencia-entre-el-cabello-africano-caucasico-y-asiatico-esta-determinada-por-la-distribucion-de-lipidos\/","og_site_name":"IQAC - Institut de Qu\u00edmica Avan\u00e7ada de Catalunya - CSIC","article_publisher":"https:\/\/www.facebook.com\/iqac.csic.es\/","article_published_time":"2021-12-14T11:27:40+00:00","article_modified_time":"2026-06-16T08:47:08+00:00","og_image":[{"width":2560,"height":1499,"url":"https:\/\/www.iqac.csic.es\/wp-content\/uploads\/2026\/06\/FGj0sE-WQAAWIbx-scaled-8.jpg","type":"image\/jpeg"}],"author":"Ana Sotres","twitter_card":"summary_large_image","twitter_creator":"@IQAC_CSIC","twitter_site":"@IQAC_CSIC","twitter_misc":{"Escrit per":"Ana Sotres","Temps estimat de lectura":"4 minuts"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"Article","@id":"https:\/\/www.iqac.csic.es\/un-estudio-muestra-que-la-diferencia-entre-el-cabello-africano-caucasico-y-asiatico-esta-determinada-por-la-distribucion-de-lipidos\/#article","isPartOf":{"@id":"https:\/\/www.iqac.csic.es\/un-estudio-muestra-que-la-diferencia-entre-el-cabello-africano-caucasico-y-asiatico-esta-determinada-por-la-distribucion-de-lipidos\/"},"author":{"name":"Ana Sotres","@id":"https:\/\/www.iqac.csic.es\/#\/schema\/person\/ac65d00561d3a6d2810128c46771aff7"},"headline":"Un estudi mostra que la difer\u00e8ncia entre el cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic est\u00e0 determinada per la distribuci\u00f3 de l\u00edpids","datePublished":"2021-12-14T11:27:40+00:00","dateModified":"2026-06-16T08:47:08+00:00","mainEntityOfPage":{"@id":"https:\/\/www.iqac.csic.es\/un-estudio-muestra-que-la-diferencia-entre-el-cabello-africano-caucasico-y-asiatico-esta-determinada-por-la-distribucion-de-lipidos\/"},"wordCount":740,"publisher":{"@id":"https:\/\/www.iqac.csic.es\/#organization"},"image":{"@id":"https:\/\/www.iqac.csic.es\/un-estudio-muestra-que-la-diferencia-entre-el-cabello-africano-caucasico-y-asiatico-esta-determinada-por-la-distribucion-de-lipidos\/#primaryimage"},"thumbnailUrl":"https:\/\/www.iqac.csic.es\/wp-content\/uploads\/2026\/06\/FGj0sE-WQAAWIbx-scaled-8.jpg","articleSection":["News"],"inLanguage":"ca"},{"@type":"WebPage","@id":"https:\/\/www.iqac.csic.es\/un-estudio-muestra-que-la-diferencia-entre-el-cabello-africano-caucasico-y-asiatico-esta-determinada-por-la-distribucion-de-lipidos\/","url":"https:\/\/www.iqac.csic.es\/un-estudio-muestra-que-la-diferencia-entre-el-cabello-africano-caucasico-y-asiatico-esta-determinada-por-la-distribucion-de-lipidos\/","name":"Un estudi mostra que la difer\u00e8ncia entre el cabell afric\u00e0, cauc\u00e0sic i asi\u00e0tic est\u00e0 determinada per la distribuci\u00f3 de l\u00edpids | IQAC - 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