{"id":50385,"date":"2021-03-12T08:11:05","date_gmt":"2021-03-12T07:11:05","guid":{"rendered":"https:\/\/agrovin.com\/?p=50385"},"modified":"2024-03-12T11:42:46","modified_gmt":"2024-03-12T10:42:46","slug":"cum-se-conserva-corect-vinul-alb","status":"publish","type":"post","link":"https:\/\/agrovin.com\/ro\/cum-se-conserva-corect-vinul-alb\/","title":{"rendered":"Cum se conserv\u0103 corect vinul alb"},"content":{"rendered":"<p><strong>Nelu\u00e2nd \u00een considerare o serie de factori de baz\u0103 sau puncte critice<\/strong> \u00een p\u0103strarea vinului alb, pute\u021bi ruina o munc\u0103 de luni sau ani buni, f\u0103c\u00e2nd un bulion grozav. \u00cen articolul urm\u0103tor vom dezv\u0103lui <strong>principalele chei \u00een p\u0103strarea intact\u0103 a calit\u0103\u021bii vinului alb<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p><!--more--><\/p>\n<h2><\/h2>\n<h2><strong>Care sunt punctele critice in conservarea vinului alb?<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>Principal, exist\u0103 <strong>doi factori care pot afecta conservarea vinului alb<\/strong>, influen\u021b\u00e2nd negativ aspecte cheie cum ar fi gustul, mirosul \u0219i aspectul acestuia, prin urmare reduc\u00e2nd semnificativ calitatea produsului.<\/p>\n<p>&nbsp;<\/p>\n<p><span style=\"font-weight: 400;\">1. <\/span><strong>Contaminarea biologic\u0103<\/strong> are loc atunci c\u00e2nd se dezvolt\u0103 microorganisme care au capacitatea de a afecta negativ calitatea vinului. Aceasta este o <strong>problem\u0103 complex\u0103 \u0219i frecvent\u0103<\/strong>, deoarece mustul de struguri, fiind foarte bogat \u00een zaharuri \u0219i substan\u021be nutritive, este un substrat ideal pentru cre\u0219terea unui num\u0103r mare de microorganisme, \u00een special drojdii, bacterii \u0219i mucegaiuri. De\u0219i este adev\u0103rat c\u0103 \u00een momentul \u00een care a avut loc fermentarea alcoolic\u0103, posibilit\u0103\u021bile de dezvoltare a microorganismelor sunt reduse considerabil din cauza prezen\u021bei etanolului, dar \u00een anumite condi\u021bii unele drojdii \u0219i bacterii pot continua s\u0103 d\u0103uneze vinului. C\u00e2teva exemple sunt <strong>drojdiile oxidative<\/strong>, care pot <strong>deforma mirosul \u0219i gustul<\/strong>, sau <strong>bacteriile lactice<\/strong>, capabile s\u0103 provoace degrad\u0103ri acidului malic care, de\u0219i d\u0103uneaz\u0103 vinului ro\u0219u, tinde s\u0103 <strong>provoace daune vinurilor albe care \u00ee\u0219i pierd din aciditate \u0219i prospe\u021bime<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<p>2. <strong>Oxidarea este un alt punct critic \u00een procesul de conservare a vinului alb<\/strong>. \u00cen vin exist\u0103 compu\u0219i care ac\u021bioneaz\u0103 ca substraturi de oxidare \u0219i al\u021bi compu\u0219i care ac\u021bioneaz\u0103 ca oxidan\u021bi. Oxigenul nu este capabil s\u0103 oxideze majoritatea compu\u0219ilor din vin, av\u00e2nd nevoie de un catalizator pentru a efectua schimbul de electroni. <strong>Principalii catalizatori sunt Fierul \u0219i Cuprul<\/strong>. Prin urmare, este <strong>necesar\u0103 interven\u021bia<\/strong> pentru a evita aceste reac\u021bii \u00een oricare dintre faze, deoarece acestea tind s\u0103 conduc\u0103 la <strong>efecte nocive, cum ar fi pierderea aromelor fructelor sau modific\u0103ri ale culorii<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<blockquote><p><strong>Lectur\u0103 recomandat\u0103<\/strong>: <a href=\"https:\/\/agrovin.com\/ro\/cum-influenteaza-temperatura-conservarea-vinului\/\">Cum influen\u021beaz\u0103 temperatura conservarea vinului?<\/a><\/p><\/blockquote>\n<p>&nbsp;<\/p>\n<h2><strong>Cum ar trebui men\u021binut\u0103 calitatea vinului alb \u00een timpul depozit\u0103rii? Sfaturi pentru a-l ob\u021bine<\/strong><\/h2>\n<p>&nbsp;<\/p>\n<p>Dac\u0103 obiectivul nostru este s\u0103 men\u021binem calitatea vinului alb \u00een faza de depozitare, atunci trebuie s\u0103 ne concetr\u0103m ac\u021biunile si <strong>eforturile \u00een \u00eencercarea de a \u00eempiedica dezvoltarea microorganismelor<\/strong> d\u0103un\u0103toare, respectiv oxidarea (punctele critice ale acestei faze \u00een produc\u021bia de vin). Acestea sunt recomand\u0103rile noastre:<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>Scurta\u021bi timpul fazelor critice ale vinifica\u021biei<\/strong><\/h3>\n<p>De\u0219i poate fi foarte variabil, de la c\u00e2teva minute p\u00e2n\u0103 la c\u00e2teva s\u0103pt\u0103m\u00e2ni, <strong>microorganismele au nevoie de un anumit interval de timp pentru a cre\u0219te \u0219i a se \u00eenmul\u021bi<\/strong>. Din acest motiv, este foarte important s\u0103 accelera\u021bi c\u00e2t mai mult posibil fazele critice ale vinifica\u021biei, cum ar fi transportul sau depozitarea, pentru a reduce considerabil \u0219ansele de infectare cu drojdie, bacterii, microbi etc.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>Controla\u021bi pH-ul<\/strong><\/h3>\n<p>Nivelul de aciditate (pH) este unul dintre factorii principali care afecteaz\u0103 bacteriile lactice, iar marea lor majoritate <strong>nu pot cre\u0219te<\/strong> \u00een <strong>medii cu un pH mai mic de 3<\/strong>.<\/p>\n<p>&nbsp;<\/p>\n<h3><strong>Utiliza\u021bi inhibitori de microorganisme contamina\u021bi<\/strong><\/h3>\n<p>Exist\u0103 o serie de substan\u021be care pot <strong>inhiba cre\u0219terea microorganismelor contaminate<\/strong>. Unul dintre cei mai folosi\u021bi inhibitori pentru eficien\u021b\u0103, cost sc\u0103zut \u0219i deoarece are un spectru foarte larg de ac\u021biune este <strong>dioxidului de sulf (SO2)<\/strong>.<\/p>\n<p>SO2 este de asemenea, un <strong>compus antimicrobian foarte activ \u00eempotriva bacteriilor si drojdiilor<\/strong>, de\u0219i \u00een practic\u0103 eficacitatea sa depinde de caracteristicile vinului \u00een sine. Printre acestea, <strong>pH-ul <\/strong>este decisiv.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Conservarea vinului alb: ave\u021bi \u00eencredere \u00een preparate specifice, cum ar fi Microstab protect<\/strong><\/h2>\n<p>Exist\u0103 pe pia\u021b\u0103 preparate specifice, cum ar fi <a href=\"https:\/\/agrovin.com\/ro\/producto\/microstab-protect\/\"><strong>Microstab protect<\/strong><\/a> Agrovin, care <strong>\u00eembin\u0103 propriet\u0103\u021bi antimicrobiene \u0219i antioxidante.<\/strong> Este o alternativ\u0103 extrem de eficient\u0103 a SO2-ului cu rezultate excelente dovedite.<\/p>\n<ul>\n<li>Elimin\u0103 sau reduce substan\u021bial popula\u021biile de <a href=\"https:\/\/agrovin.com\/ro\/ce-este-drojdia-brettanomyces-bruxellensis\/\"><em>Brettanomyce<\/em>s<\/a>, <strong>reduc\u00e2nd riscul de alterare<\/strong> datorat prezen\u021bei de drojdie contaminat\u0103.<\/li>\n<li><strong>Foarte eficient \u00eempotriva popula\u021biilor de bacterii lactice<\/strong>, de\u0219i ca \u0219i \u00een cazul oric\u0103rui alt antimicrobian, nivelul de reducere depinde sarcina microbiologic\u0103 ini\u021bial\u0103.<\/li>\n<li>De asemenea, are un <strong>efect antioxidant foarte mare<\/strong>, av\u00e2nd urm\u0103toarele avantaje: protejarea frac\u021biei aromatice, limitarea rumenirii vinurilor, inactivarea catalizatorilor de oxidare, reducerea activit\u0103\u021bii enzimelor oxidazice, care sunt responsabile de oxidare \u0219i reducerea con\u021binutului de metal (Fe \u0219i Cu).<\/li>\n<\/ul>\n<p>Pe scurt, cheia succesului pentru o bun\u0103 conservare a vinului const\u0103 \u00een <strong>controlul contamin\u0103rii si oxid\u0103rii microbiene<\/strong>, cu instrumente eficiente care se g\u0103sesc pe pia\u021b\u0103 specializate \u00een acest lucru.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Nelu\u00e2nd \u00een considerare o serie de factori de baz\u0103 sau puncte critice \u00een p\u0103strarea vinului alb, pute\u021bi ruina o munc\u0103 de luni sau ani buni, f\u0103c\u00e2nd un bulion grozav. \u00cen articolul urm\u0103tor vom dezv\u0103lui principalele chei \u00een p\u0103strarea intact\u0103 a calit\u0103\u021bii vinului alb. &nbsp;<\/p>\n","protected":false},"author":359,"featured_media":49872,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"inline_featured_image":false,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"default","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","ast-disable-related-posts":"","theme-transparent-header-meta":"default","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-5)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"ast-content-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"tablet":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""},"mobile":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center center","background-size":"auto","background-attachment":"scroll","background-type":"","background-media":"","overlay-type":"","overlay-color":"","overlay-opacity":"","overlay-gradient":""}},"footnotes":""},"categories":[2082],"tags":[],"class_list":["post-50385","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-solutii-oenologice"],"acf":[],"_links":{"self":[{"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/posts\/50385","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/users\/359"}],"replies":[{"embeddable":true,"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/comments?post=50385"}],"version-history":[{"count":0,"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/posts\/50385\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/media\/49872"}],"wp:attachment":[{"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/media?parent=50385"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/categories?post=50385"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/agrovin.com\/ro\/wp-json\/wp\/v2\/tags?post=50385"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}