{"id":20847,"date":"2024-08-19T16:58:00","date_gmt":"2024-08-19T14:58:00","guid":{"rendered":"https:\/\/oenobrands.com\/ressources-techniques\/test-pectine\/"},"modified":"2025-12-12T11:11:08","modified_gmt":"2025-12-12T10:11:08","slug":"test-pectine","status":"publish","type":"page","link":"https:\/\/oenobrands.com\/fr\/ressources-techniques\/test-pectine\/","title":{"rendered":"Test pectine"},"content":{"rendered":"\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>Protocole rapide<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h2 class=\"wp-block-heading\"><strong>Pourquoi le test pectine est important<\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>La clarification des jus (d\u00e9bourbage statique ou flottation) n\u00e9cessite une d\u00e9gradation compl\u00e8te de la pectine. Un test pectine n\u00e9gatif indique une r\u00e9duction efficace de la viscosit\u00e9 et une bonne capacit\u00e9 de floculation, garantissant une fermentation alcoolique propre et limitant les risques d\u2019oxydation.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-center is-layout-flow wp-block-column-is-layout-flow\">\n<ul class=\"wp-block-list\">\n<li><strong>\u00c9chantillon <\/strong>: jus de raisin \/ mo\u00fbt<\/li>\n\n\n\n<li><strong>Dur\u00e9e <\/strong>: ~10 minutes<\/li>\n\n\n\n<li><strong>Objectif <\/strong>: v\u00e9rifier la d\u00e9gradation de la pectine avant la clarification ou la flottation.<\/li>\n<\/ul>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:2%\"><\/div>\n\n\n\n<div class=\"wp-block-column has-background is-layout-flow wp-block-column-is-layout-flow\" style=\"background-color:#f7f7f7\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<p class=\"has-text-align-center\"><strong>T\u00c9L\u00c9CHARGER LE DOCUMENT<\/strong><\/p>\n\n\n\n<div class=\"wp-block-columns is-not-stacked-on-mobile download-flags is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/oenobrands.com\/wp-content\/uploads\/2024\/07\/RAPIDASE_Pectin-test_EN_G_04.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"94\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2023\/04\/flag-united-states-english-american.png\" alt=\"flag-united-states-english-american\" class=\"wp-image-2510\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/oenobrands.com\/wp-content\/uploads\/2024\/09\/RAPIDASE-Pectin-test-FR-G_02.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"94\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2023\/04\/drapeau-francais-france.png\" alt=\"drapeau flag francais france\" class=\"wp-image-2508\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/oenobrands.com\/wp-content\/uploads\/2024\/09\/RAPIDASE-Pectin-test-ES_G_03.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"94\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2023\/04\/bandiera-spagnola-spagna.png\" alt=\"drapeau flag bandiera spagnola spagna\" class=\"wp-image-2506\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/oenobrands.com\/wp-content\/uploads\/2024\/09\/RAPIDASE-Pectin-test-IT_G_02.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"94\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2023\/04\/bandiera-italiana-italy.png\" alt=\"drapeau flag bandiera italiana italy\" class=\"wp-image-2512\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/oenobrands.com\/wp-content\/uploads\/2025\/11\/RAPIDASE_Pectin-test_PT_G_02.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"94\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2024\/05\/Flag-drapeau-Portugal.png\" alt=\"Flag-drapeau-Portugal\" class=\"wp-image-7139\"\/><\/a><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-full\"><a href=\"https:\/\/oenobrands.com\/wp-content\/uploads\/2025\/11\/RAPIDASE_Pectin-test_ALL_G_02.pdf\" target=\"_blank\" rel=\"noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"180\" height=\"94\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2023\/05\/Flagge-Deutschland.png\" alt=\"Flagge-Deutschland\" class=\"wp-image-3550\"\/><\/a><\/figure>\n<\/div>\n<\/div>\n<\/div><\/div>\n<\/div>\n<\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Comment r\u00e9aliser le test pectine<\/strong><\/h3>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p>1. Pr\u00e9parer la solution d\u2019alcool acidifi\u00e9<br>\u00c9thanol \u00e0 96 % acidifi\u00e9 avec 1 % d\u2019acide chlorhydrique concentr\u00e9.<\/p>\n\n\n\n<p>2. Pr\u00e9parer le mo\u00fbt \u00e0 tester<br>Si le mo\u00fbt contient beaucoup de particules solides, une filtration grossi\u00e8re sur papier est recommand\u00e9e.<\/p>\n\n\n\n<p>3. Ajouter la solution au mo\u00fbt<br>Dans un tube \u00e0 essai, m\u00e9langer d\u00e9licatement (pour \u00e9viter de briser le gel de pectine) 2 volumes de la solution d\u2019alcool acidifi\u00e9 avec 1 volume de mo\u00fbt.<\/p>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Comment interpr\u00e9ter les r\u00e9sultats<\/strong><\/h3>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"237\" height=\"256\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2025\/11\/EN-Technical-resources-Pectin-test-1.png\" alt=\"pectin test negative - no flocculation\" class=\"wp-image-20780\" style=\"object-fit:cover;width:145px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong>N\u00e9gatif<\/strong><br>Hydrolyse compl\u00e8te de la pectine<br><\/p>\n\n\n\n<p>La solution reste claire apr\u00e8s 10 minutes de r\u00e9action.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"237\" height=\"256\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2025\/11\/EN-Technical-resources-Pectin-test-2.png\" alt=\"pectin test negative level 1\" class=\"wp-image-20784\" style=\"object-fit:cover;width:147px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong>Positif<\/strong><br>Faible pr\u00e9sence de pectine<br><\/p>\n\n\n\n<p>Lors du m\u00e9lange, de petites bulles se forment et remontent lentement.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"235\" height=\"267\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2025\/11\/EN-Technical-resources-Pectin-test-3.png\" alt=\"Pectin test positive level 2\" class=\"wp-image-20788\" style=\"object-fit:cover;width:146px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong>Positif<\/strong><br>Pr\u00e9sence de pectine<br><\/p>\n\n\n\n<p>Lors du m\u00e9lange, de grosses bulles se forment et remontent difficilement.<\/p>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\"><div class=\"wp-block-image is-style-default\">\n<figure class=\"aligncenter size-full is-resized\"><img loading=\"lazy\" decoding=\"async\" width=\"238\" height=\"258\" src=\"http:\/\/oenobrands.com\/wp-content\/uploads\/2025\/11\/EN-Technical-resources-Pectin-test-4.png\" alt=\"Pectin test positive - level 3 \" class=\"wp-image-20776\" style=\"object-fit:cover;width:149px;height:auto\"\/><\/figure>\n<\/div>\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"has-text-align-center\"><strong>Positif<\/strong><br>Forte pr\u00e9sence de pectine<br><\/p>\n\n\n\n<p>Apr\u00e8s 10 minutes, des bulles \u00e9paisses et<br>un anneau de gel apparaissent \u00e0 la surface du liquide.<\/p>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<hr class=\"wp-block-separator has-text-color has-black-color has-alpha-channel-opacity has-black-background-color has-background\"\/>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-constrained wp-block-group-is-layout-constrained\">\n<h2 class=\"wp-block-heading\"><strong>Produits associ\u00e9s :<\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-vertically-aligned-top is-layout-flow wp-block-column-is-layout-flow\" style=\"flex-basis:100%\">\n<div class=\"wp-block-buttons is-horizontal is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-499968f5 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/oenobrands.com\/fr\/produit\/enzyme\/rapidase\/rapidase-clear\/<br\/&gt;<br\/&gt;<div style=&quot;all: initial !important;&quot;&gt; <\/div&gt;\">Rapidase Clear<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/oenobrands.com\/fr\/produit\/enzyme\/rapidase\/rapidase-flotation\/<br\/&gt;<br\/&gt;<div style=&quot;all: initial !important;&quot;&gt; <\/div&gt;\">Rapidase Flotation<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/oenobrands.com\/fr\/produit\/enzyme\/rapidase\/rapidase-clear-extreme\/<br\/&gt;<br\/&gt;<div style=&quot;all: initial !important;&quot;&gt; <\/div&gt;\">Rapidase Clear Extreme<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/oenobrands.com\/fr\/produit\/enzyme\/rapidase\/rapidase-thermoflash\/<br\/&gt;<br\/&gt;<div style=&quot;all: initial !important;&quot;&gt; <\/div&gt;\">Rapidase Thermoflash<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/oenobrands.com\/fr\/produit\/enzyme\/rapidase\/rapidase-extra-press\/<br\/&gt;<br\/&gt;<div style=&quot;all: initial !important;&quot;&gt; <\/div&gt;\">Rapidase Extra Press<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n<\/div><\/div>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<h2 class=\"wp-block-heading\"><strong>Vous souhaitez explorer la gamme Rapidase ?<\/strong><\/h2>\n\n\n\n<div style=\"height:30px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-center is-layout-flex wp-container-core-buttons-is-layout-16018d1d wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/oenobrands.com\/fr\/produit\/enzyme\/rapidase\/<br\/&gt;<br\/&gt;<div style=&quot;all: initial !important;&quot;&gt; <\/div&gt;\">Marque Rapidase<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link wp-element-button\" href=\"https:\/\/oenobrands.com\/fr\/produit\/enzyme\/choix-rapidase\/<br\/&gt;<br\/&gt;<div style=&quot;all: initial !important;&quot;&gt; <\/div&gt;\">Choix Rapidase<\/a><\/div>\n<\/div>\n<\/div>\n<\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Protocole rapide Pourquoi le test pectine est important La clarification des jus (d\u00e9bourbage statique [&hellip;]<\/p>\n","protected":false},"author":3,"featured_media":0,"parent":20767,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"page-premier-products-list.php","meta":{"_acf_changed":false,"_seopress_robots_primary_cat":"0","_seopress_titles_title":"","_seopress_titles_desc":"","_seopress_robots_index":"","footnotes":""},"class_list":["post-20847","page","type-page","status-publish"],"acf":[],"_links":{"self":[{"href":"https:\/\/oenobrands.com\/fr\/wp-json\/wp\/v2\/pages\/20847","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/oenobrands.com\/fr\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/oenobrands.com\/fr\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/oenobrands.com\/fr\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/oenobrands.com\/fr\/wp-json\/wp\/v2\/comments?post=20847"}],"version-history":[{"count":0,"href":"https:\/\/oenobrands.com\/fr\/wp-json\/wp\/v2\/pages\/20847\/revisions"}],"up":[{"embeddable":true,"href":"https:\/\/oenobrands.com\/fr\/wp-json\/wp\/v2\/pages\/20767"}],"wp:attachment":[{"href":"https:\/\/oenobrands.com\/fr\/wp-json\/wp\/v2\/media?parent=20847"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}