{"id":123401,"date":"2026-02-25T13:18:48","date_gmt":"2026-02-25T12:18:48","guid":{"rendered":"https:\/\/www.bioecoactual.com\/?p=123401"},"modified":"2026-02-25T13:18:48","modified_gmt":"2026-02-25T12:18:48","slug":"cafe-i-colesterol-cafestol-i-kahweol","status":"publish","type":"post","link":"https:\/\/www.bioecoactual.com\/ca\/2026\/02\/25\/cafe-i-colesterol-cafestol-i-kahweol\/","title":{"rendered":"Caf\u00e8 i colesterol. Cafestol i kahweol: els diterpens que marquen la difer\u00e8ncia"},"content":{"rendered":"<p>Durant d\u00e8cades, el caf\u00e8 ha generat debat cient\u00edfic. Mentre alguns estudis destaquen els seus beneficis cardiovasculars, altres adverteixen sobre el seu impacte al colesterol.<\/p>\n<p><!--more--><\/p>\n<figure id=\"attachment_123389\" aria-describedby=\"caption-attachment-123389\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-123389 size-full\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.20_SECCIO_ALIMENTACIO_I_SALUT.jpg\" alt=\"\" width=\"1000\" height=\"558\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.20_SECCIO_ALIMENTACIO_I_SALUT.jpg 1000w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.20_SECCIO_ALIMENTACIO_I_SALUT-768x429.jpg 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.20_SECCIO_ALIMENTACIO_I_SALUT-753x420.jpg 753w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.20_SECCIO_ALIMENTACIO_I_SALUT-696x388.jpg 696w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-123389\" class=\"wp-caption-text\">123RF Limited\u00a9helgaarinaonrf124. Caf\u00e9 con filtro de papel<\/figcaption><\/figure>\n<p>La clau est\u00e0 en dos compostos: el cafestol i el kahweol, dos diterpens presents als grans de caf\u00e8 que poden influir significativament en el nostre nivell lip\u00eddic (el que mesura les concentracions de diferents tipus de greixos en sang).<\/p>\n<h2>Cafestol i kahweol: \u00abels culpables\u00bb<\/h2>\n<p>El cafestol i el kahweol s\u00f3n diterpens liposolubles, estructuralment similars, presents als olis del caf\u00e8. Un gra de <em>Coffea arabica<\/em> cont\u00e9 aproximadament el 0,6% de cafestol, mentre que la varietat <em>robusta<\/em> presenta la meitat i quantitats m\u00ednimes de kahweol. Aquests diterpens s\u2019alliberen durant la preparaci\u00f3.<\/p>\n<p>El caf\u00e8 sense filtrar pot contenir 6-12 mg per tassa, mentre que el filtrat amb paper ret\u00e9 pr\u00e0cticament la totalitat, deixant nom\u00e9s 0,02 mg per tassa.<\/p>\n<blockquote><p>El cafestol eleva el colesterol mitjan\u00e7ant un complex mecanisme en qu\u00e8 inhibeix la s\u00edntesi d\u2019\u00e0cids biliars<\/p><\/blockquote>\n<p>El cafestol eleva el colesterol mitjan\u00e7ant un complex mecanisme en qu\u00e8 inhibeix la s\u00edntesi d\u2019\u00e0cids biliars. En reduir-se la producci\u00f3 de bilis, el fetge disminueix la seva capacitat per eliminar colesterol, elevant el nivell de colesterol total i LDL (el nociu) a la sang. A m\u00e9s, interfereix amb els receptors LDL hep\u00e0tics que normalment ajuden a retirar el LDL de la circulaci\u00f3, reduint-ne la depuraci\u00f3 i permetent-ne l\u2019acumulaci\u00f3.<\/p>\n<p>Se sap que consumir 10 mg diaris de cafestol durant quatre setmanes augmenta el colesterol total en 0,13 mmol\/L, mentre que el kahweol ho eleva en 0,02 mmol\/L. L\u2019LDL representa el 80% d\u2019aquest increment. El cafestol es considera un dels agents m\u00e9s potents per elevar el colesterol LDL.<\/p>\n<figure id=\"attachment_123392\" aria-describedby=\"caption-attachment-123392\" style=\"width: 1000px\" class=\"wp-caption aligncenter\"><img loading=\"lazy\" decoding=\"async\" class=\"wp-image-123392 size-full\" src=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.21_SECCIO_ALIMENTACIO_I_SALUT.jpg\" alt=\"\" width=\"1000\" height=\"667\" srcset=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.21_SECCIO_ALIMENTACIO_I_SALUT.jpg 1000w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.21_SECCIO_ALIMENTACIO_I_SALUT-768x512.jpg 768w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.21_SECCIO_ALIMENTACIO_I_SALUT-630x420.jpg 630w, https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/02\/PAG.21_SECCIO_ALIMENTACIO_I_SALUT-696x464.jpg 696w\" sizes=\"auto, (max-width: 1000px) 100vw, 1000px\" \/><figcaption id=\"caption-attachment-123392\" class=\"wp-caption-text\">123RF Limited\u00a9foryou13<\/figcaption><\/figure>\n<h3>Qu\u00e8 s\u00f3n els diterpens? Una petita joia de la natura<\/h3>\n<p>Es tracta de subst\u00e0ncies fitoqu\u00edmiques amb efectes antiinflamatoris, antimicrobians, gastroprotectors i antioxidants en general. Gr\u00e0cies als investigadors, avui s\u00f3n cada cop m\u00e9s ben coneguts i utilitzats.<\/p>\n<h2>El m\u00e8tode de preparaci\u00f3: factor clau<\/h2>\n<p>La concentraci\u00f3 de diterpens varia dr\u00e0sticament segons el m\u00e8tode de preparaci\u00f3, convertint aquesta elecci\u00f3 en factor determinant per a la salut cardiovascular.<\/p>\n<ul>\n<li>El caf\u00e8 bullit escandinau i el caf\u00e8 turc encap\u00e7alen la llista (6-12 mg per tassa). El caf\u00e8 es bull directament sense filtraci\u00f3, permetent el pas lliure de tots els olis.<\/li>\n<li>La cafetera de premsa francesa ocupa el segon lloc. El m\u00e8tode d\u2019immersi\u00f3 total afavoreix l\u2019extracci\u00f3 m\u00e0xima de compostos i, tot i utilitzar filtre met\u00e0l\u00b7lic, aquest no ret\u00e9 els olis.<\/li>\n<li>L\u2019espresso \u00e9s un cas especial. Per volum, cont\u00e9 la major concentraci\u00f3 de l\u00edpids gr\u00e0cies a la seva naturalesa concentrada, molta fina i altes temperatures. Tot i aix\u00f2, la mida redu\u00efda de les porcions (30- 40 ml) modera la ingesta a uns 4 mg per tassa. El problema sorgeix si es beuen m\u00faltiples espressos diaris: tres o quatre poden acumular quantitats significatives.<\/li>\n<li>Les m\u00e0quines autom\u00e0tiques presenten variacions notables. Les que usen caf\u00e8 concentrat l\u00edquid mostren nivells similars al filtratge, mentre que altres poden alliberar quantitats rellevants de diterpens.El caf\u00e9 hervido escandinavo y el caf\u00e9 turco encabezan la lista (6-12 mg por taza). El caf\u00e9 se hierve directamente sin filtraci\u00f3n, permitiendo el paso libre de todos los aceites.<\/li>\n<li>El caf\u00e8 filtrat amb paper apareix com el m\u00e8tode m\u00e9s favorable. El filtre actua com a barrera f\u00edsica, atrapant gaireb\u00e9 la totalitat dels olis. Les cafeteres de degoteig retenen m\u00e9s del 99% del cafestol i el kahweol. I el caf\u00e8 instantani tamb\u00e9 presenta nivells molt baixos, tot i que la seva obtenci\u00f3 \u00e9s discutible<\/li>\n<\/ul>\n<blockquote><p>El caf\u00e8 filtrat amb paper apareix com el m\u00e8tode m\u00e9s favorable. El filtre actua com a barrera f\u00edsica, atrapant gaireb\u00e9 la totalitat dels olis<\/p><\/blockquote>\n<p><strong>Una possible soluci\u00f3:<\/strong> preparar caf\u00e8 bullit o en cafetera francesa i filtrar-lo posteriorment amb paper permet gaudir de tota l\u2019aroma, sense els diterpens problem\u00e0tics. El torrat tamb\u00e9 influeix: els torrats prolongats (mitjans o foscos) disminueixen els nivells de cafestol comparats amb torrats clars. Aquest \u00e9s un dels problemes de les c\u00e0psules: els fabricants no ho esmenten, per\u00f2 hi ha sospites fonamentades que els afegeixen una mica del nociu caf\u00e8 torrefacte per donar m\u00e9s sensaci\u00f3 de for\u00e7a i cremositat.<\/p>\n<h2>Efectes m\u00e9s enll\u00e0 del colesterol<\/h2>\n<p>La relaci\u00f3 entre caf\u00e8 i salut transcendeix el colesterol, presentant llums i ombres que requereixen una valoraci\u00f3 molt precisa. I el debat nom\u00e9s ha comen\u00e7at, recordem que a les observacions de la medicina naturista cl\u00e0ssica el caf\u00e8 apareix com un \u00abaccelerador\u00bb que cal descartar en qualsevol dieta saludable. Avui ning\u00fa ho afirmaria amb tanta contund\u00e8ncia, perqu\u00e8, paradoxalment, el cafestol i el kahweol mostren propietats beneficioses sorprenents: se\u2019ls coneixen, entre d\u2019altres, activitats antiinflamat\u00f2ries, hepatoprotectores, anticancer\u00edgenes i antidiab\u00e8tiques. Tamb\u00e9 redueixen mediadors inflamatoris i inhibeixen l\u2019angiog\u00e8nesi. A m\u00e9s, el cafestol va mostrar efectes neuroprotectors a la malaltia de Parkinson.<\/p>\n<h2>Molt personal<\/h2>\n<p>A Internet trobareu for\u00e7a estudis i an\u00e0lisi. En un, una metaan\u00e0lisi amb 4 milions de participants, es conclou que el consum moderat redueix en un 17% el risc de mort per cardiopatia i en un 24% per diabetis. L\u2019Ag\u00e8ncia Europea de Seguretat Aliment\u00e0ria recomana no superar 400 mg de cafe\u00efna diaris (4 espressos). Per sobre de 5 tasses, el caf\u00e8 augmenta en 22% el risc cardiovascular. L\u2019exc\u00e9s provoca elevaci\u00f3 de tensi\u00f3 arterial, mals de cap, trastorns de concentraci\u00f3 i n\u00e0usees. Ja han sortit altres estudis per contrarestar aquesta informaci\u00f3.<\/p>\n<blockquote><p>Al cafestol i al kahweol se\u2019ls coneixen, entre altres, activitats antiinflamat\u00f2ries, hepatoprotectores, anticancer\u00edgenes i antidiab\u00e8tiques<\/p><\/blockquote>\n<p>D\u2019altra banda, el caf\u00e8 amb crema o llet sencera afegeix greixos saturats que contraresten aquells possibles beneficis. El caf\u00e8 pot formar part d\u2019una vida saludable considerant el context individual: gen\u00e8tica, perfil lip\u00eddic, m\u00e8tode de preparaci\u00f3 i quantitat.<\/p>\n<p><strong>Autor: <\/strong>Jaume Rossell\u00f3, Editor Especialitzat en Salut i Alimentaci\u00f3.<\/p>\n<p><a href=\"https:\/\/www.bioecoactual.com\/ca\/subscripcio\/\" target=\"_blank\" rel=\"noopener noreferrer\"><strong>Subscriu-te<\/strong><\/a><strong> a la Newsletter i rep cada mes Bio Eco Actual gratis al teu correu<\/strong><\/p>\n<p><strong><em>Bio Eco Actual<\/em><\/strong>, <em>el teu mensual 100% ecol\u00f2gic<\/em><strong><br \/>\n<\/strong><a href=\"https:\/\/www.bioecoactual.com\/wp-content\/uploads\/2026\/01\/BioEcoActual_Febrer_2026.pdf\" target=\"_blank\" rel=\"noopener noreferrer\"><strong> Llegir Bio Eco Actual Febrer 2026<\/strong><\/a><\/p>\n<p><iframe style=\"border: none; width: 100%; height: 520px;\" src=\"\/\/e.issuu.com\/embed.html?d=bioecoactual_febrer_2026&amp;hideIssuuLogo=true&amp;showOtherPublicationsAsSuggestions=true&amp;u=bioecoactual\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Durant d&egrave;cades, el caf&egrave; ha generat debat cient&iacute;fic. Mentre alguns estudis destaquen els seus beneficis cardiovasculars, altres adverteixen sobre el seu impacte al colesterol.<\/p>\n","protected":false},"author":592,"featured_media":123390,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7177],"tags":[],"class_list":["post-123401","post","type-post","status-publish","format-standard","has-post-thumbnail","category-alimentacio-ecologica"],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v28.0 (Yoast SEO v28.0) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Caf\u00e8 i colesterol. Cafestol i kahweol: els diterpens que marquen la difer\u00e8ncia - Bio Eco Actual<\/title>\n<meta name=\"description\" content=\"Durant d\u00e8cades, el caf\u00e8 ha generat debat cient\u00edfic. 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