{"id":4676,"date":"2022-05-26T07:20:18","date_gmt":"2022-05-26T07:20:18","guid":{"rendered":"https:\/\/2022.plantday.it\/?p=4676"},"modified":"2022-05-26T07:31:46","modified_gmt":"2022-05-26T07:31:46","slug":"estrazione-e-separazione-cromatografica-su-strato-sottile-dei-pigmenti-fotosintetici-da-foglie-di-spinacio","status":"publish","type":"post","link":"https:\/\/2022.plantday.it\/?p=4676","title":{"rendered":"Estrazione e separazione cromatografica su strato sottile dei pigmenti fotosintetici da foglie di spinacio"},"content":{"rendered":"<div class='flex_column av-av_one_full-a93934ecd89fbb8a9566d39e89cd3725 av_one_full  avia-builder-el-0  el_before_av_hr  avia-builder-el-first  first flex_column_div '   ><p>\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l3mokncq-4d57000887ba4c3a368d865e5e1f679e\">\n.avia-image-container.av-l3mokncq-4d57000887ba4c3a368d865e5e1f679e .av-image-caption-overlay-center{\ncolor:#ffffff;\n}\n<\/style>\n<div  class='avia-image-container av-l3mokncq-4d57000887ba4c3a368d865e5e1f679e av-styling- avia_animated_image avia_animate_when_almost_visible fade-in avia-align-center  avia-builder-el-1  el_before_av_textblock  avia-builder-el-first '  itemprop=\"image\" itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/ImageObject\" ><div class=\"avia-image-container-inner\"><div class=\"avia-image-overlay-wrap\"><img decoding=\"async\" class='wp-image-4677 avia-img-lazy-loading-not-4677 avia_image' src=\"https:\/\/2022.plantday.it\/wp-content\/uploads\/2022\/05\/Allegato-1_pigmenti-fotosintetici-PlantDay.jpg\" alt='' title='Allegato-1_pigmenti-fotosintetici-PlantDay'  height=\"350\" width=\"245\"  itemprop=\"thumbnailUrl\" srcset=\"https:\/\/2022.plantday.it\/wp-content\/uploads\/2022\/05\/Allegato-1_pigmenti-fotosintetici-PlantDay.jpg 245w, https:\/\/2022.plantday.it\/wp-content\/uploads\/2022\/05\/Allegato-1_pigmenti-fotosintetici-PlantDay-210x300.jpg 210w\" sizes=\"(max-width: 245px) 100vw, 245px\" \/><\/div><\/div><\/div><br \/>\n<section  class='av_textblock_section av-l3mol1qq-2b3ae53b8ed6c46a202b2408d346f3db'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><p style=\"text-align: center;\"><em>Pigmenti<\/em><\/p>\n<\/div><\/section><\/p><\/div><div  class='hr av-av_hr-2d5db5f64ae26441752c85579942ced7 hr-short  avia-builder-el-3  el_after_av_one_full  el_before_av_heading  hr-center'><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div><\/p>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-l3mohsl6-51cb3f1aee1e478b3c577be2994c06c6\">\n#top .av-special-heading.av-l3mohsl6-51cb3f1aee1e478b3c577be2994c06c6{\npadding-bottom:10px;\n}\nbody .av-special-heading.av-l3mohsl6-51cb3f1aee1e478b3c577be2994c06c6 .av-special-heading-tag .heading-char{\nfont-size:25px;\n}\n.av-special-heading.av-l3mohsl6-51cb3f1aee1e478b3c577be2994c06c6 .av-subheading{\nfont-size:15px;\n}\n<\/style>\n<div  class='av-special-heading av-l3mohsl6-51cb3f1aee1e478b3c577be2994c06c6 av-special-heading-h3 blockquote modern-quote modern-centered  avia-builder-el-4  el_after_av_hr  el_before_av_hr '><h3 class='av-special-heading-tag'  itemprop=\"headline\"  >Estrazione e separazione cromatografica su strato sottile dei pigmenti fotosintetici da foglie di spinacio<\/h3><div class=\"special-heading-border\"><div class=\"special-heading-inner-border\"><\/div><\/div><\/div>\n\n<style type=\"text\/css\" data-created_by=\"avia_inline_auto\" id=\"style-css-av-av_hr-82f5be0ae0af6a64fe3091010b237709\">\n#top .hr.hr-invisible.av-av_hr-82f5be0ae0af6a64fe3091010b237709{\nheight:20px;\n}\n<\/style>\n<div  class='hr av-av_hr-82f5be0ae0af6a64fe3091010b237709 hr-invisible  avia-builder-el-5  el_after_av_heading  el_before_av_textblock '><span class='hr-inner '><span class=\"hr-inner-style\"><\/span><\/span><\/div>\n<section  class='av_textblock_section av-l3moowew-432e03af221e9f4718ba175b09e5db25'  itemscope=\"itemscope\" itemtype=\"https:\/\/schema.org\/BlogPosting\" itemprop=\"blogPost\" ><div class='avia_textblock'  itemprop=\"text\" ><blockquote>\n<p>Foglie verdi di spinacio sono pesate e frantumate con mortaio e pestello in presenza di sabbia di quarzo fine. Durante la frantumazione delle foglie si aggiungono alcuni mL di etanolo 95% ad uso alimentare (in proporzione 1:10 peso\/volume). L\u2019omogenato viene filtrato in un cilindro di plastica con filtro di carta ed imbuto. Parte del filtrato viene trasferito in una provetta Eppendorf ed usato per l\u2019analisi cromatografica su strato sottile.<br \/>\nTramite un capillare di vetro si depositano 20-30 gocce di liquido su una lastrina di gel di silice, che viene successivamente posta in una cameretta cromatografica saturata con una miscela di etere di petrolio:isopropanolo:acqua distillata (100:12:0.25). A fine corsa, la lastrina viene rimossa e si osserva la ripartizione dei pigmenti (dall\u2019altro verso il basso: caroteni-clorofilla a-clorofilla b-luteina+zeaxantina-violaxantina-neoxantina)<\/p>\n<\/blockquote>\n<ul>\n<li><strong>Tipologia attivit\u00e0:\u00a0 <\/strong>Laboratorio<\/li>\n<li><strong>Destinatari: <\/strong>tutti<strong><br \/>\n<\/strong><\/li>\n<li><strong>Data:\u00a0 <\/strong>28 Maggio 2022<\/li>\n<li><strong>Orario:\u00a0 <\/strong>10:00 &#8211; 13:00<\/li>\n<li><strong>Ente organizzatore:\u00a0 <\/strong>UNITO- Dipartimento di Scienze della Vita e Biologia dei Sistemi<\/li>\n<li><strong>Indirizzo: <\/strong>Orto botanico, Viale Mattioli 25<br \/>\nTorino, TO, 10125<\/li>\n<li><strong>Referenti:\u00a0 <\/strong>Silvia Perotto &#8211; Cinzia Bertea &#8211; Gianpiero Vigani<\/li>\n<li><strong>Modalit\u00e0 di fruizione:\u00a0\u00a0 <\/strong>ingresso libero<strong><br \/>\n<\/strong><\/li>\n<\/ul>\n<\/div><\/section>\n<div class='flex_column 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