{"id":3309,"date":"2026-08-04T13:02:07","date_gmt":"2026-08-04T12:02:07","guid":{"rendered":"https:\/\/olivesgarcia.com\/olive-pasteurization-key-differences\/"},"modified":"2026-08-04T14:22:58","modified_gmt":"2026-08-04T13:22:58","slug":"olive-pasteurization-key-differences","status":"publish","type":"post","link":"https:\/\/olivesgarcia.com\/en\/olive-pasteurization-key-differences\/","title":{"rendered":"Olive pasteurization: key differences"},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"3309\" class=\"elementor elementor-3309 elementor-3253\" data-elementor-post-type=\"post\">\n\t\t\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-7a06e3f elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"7a06e3f\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-100 elementor-top-column elementor-element elementor-element-3c74cde\" data-id=\"3c74cde\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ce389d5 elementor-widget-mobile__width-inherit elementor-widget elementor-widget-eael-breadcrumbs\" data-id=\"ce389d5\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-breadcrumbs.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"eael-breadcrumbs\">\n\t\t\t\t\t\t<div class=\"eael-breadcrumbs__prefix\">\n\t\t\t\t<a href=\"https:\/\/olivesgarcia.com\/en\/\" class=\"eael-breadcrumbs__prefix-link\"><i aria-hidden=\"true\" class=\"fas fa-home\"><\/i><\/a>\t\t\t<\/a>\n\t\t\t<\/div>\n\t\t\t<div class=\"eael-breadcrumbs__content\"><a href=\"https:\/\/olivesgarcia.com\/en\/\"><\/a> <span class=\"eael-breadcrumb-separator\">\/<\/span> <\/div>\t\t<\/div>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<section class=\"elementor-section elementor-top-section elementor-element elementor-element-06c303c elementor-section-boxed elementor-section-height-default elementor-section-height-default\" data-id=\"06c303c\" data-element_type=\"section\" data-e-type=\"section\">\n\t\t\t\t\t\t<div class=\"elementor-container elementor-column-gap-default\">\n\t\t\t\t\t<div class=\"elementor-column elementor-col-50 elementor-top-column elementor-element elementor-element-1b14cc2\" data-id=\"1b14cc2\" data-element_type=\"column\" data-e-type=\"column\">\n\t\t\t<div class=\"elementor-widget-wrap elementor-element-populated\">\n\t\t\t\t\t\t<div class=\"elementor-element elementor-element-18847ed elementor-widget elementor-widget-theme-post-featured-image elementor-widget-image\" data-id=\"18847ed\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-featured-image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"800\" height=\"533\" src=\"https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Pasteurizacion-de-aceitunas-diferencias-clave.jpg\" class=\"attachment-full size-full wp-image-3283\" alt=\"Aceitunas verdes frescas en salmuera junto a un tarro de aceitunas deshuesadas pasteurizadas, comparativa visual del proceso de elaboraci\u00f3n\" srcset=\"https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Pasteurizacion-de-aceitunas-diferencias-clave.jpg 800w, https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Pasteurizacion-de-aceitunas-diferencias-clave-300x200.jpg 300w, https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Pasteurizacion-de-aceitunas-diferencias-clave-768x512.jpg 768w\" sizes=\"(max-width: 800px) 100vw, 800px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-8c0de28 elementor-widget elementor-widget-theme-post-title elementor-page-title elementor-widget-heading\" data-id=\"8c0de28\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"theme-post-title.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t<h1 class=\"elementor-heading-title elementor-size-default\">Olive pasteurization: key differences<\/h1>\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-d5fde72 elementor-widget elementor-widget-post-info\" data-id=\"d5fde72\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-info.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<ul class=\"elementor-inline-items elementor-icon-list-items elementor-post-info\">\n\t\t\t\t\t\t\t\t<li class=\"elementor-icon-list-item elementor-repeater-item-5697973 elementor-inline-item\" itemprop=\"datePublished\">\n\t\t\t\t\t\t<a href=\"https:\/\/olivesgarcia.com\/en\/2026\/08\/04\/\">\n\t\t\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-icon\">\n\t\t\t\t\t\t\t\t<i aria-hidden=\"true\" class=\"fas fa-calendar\"><\/i>\t\t\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<span class=\"elementor-icon-list-text elementor-post-info__item elementor-post-info__item--type-date\">\n\t\t\t\t\t\t\t\t\t\t<time>August 4, 2026<\/time>\t\t\t\t\t<\/span>\n\t\t\t\t\t\t\t\t\t<\/a>\n\t\t\t\t<\/li>\n\t\t\t\t<\/ul>\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-aad571d elementor-widget elementor-widget-text-editor\" data-id=\"aad571d\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<p>When choosing a jar of <strong>olives<\/strong> at the supermarket, few people notice a detail that appears discreetly on the label: whether the product has been <strong>pasteurized<\/strong> or not. Yet this technical distinction directly affects food safety, texture, flavor, and even the nutritional value of the product that reaches the table. From a food technology standpoint, <strong>pasteurization<\/strong> is not an industrial whim, but a scientific decision that responds to the physicochemical characteristics of each olive variety and the type of preservation being sought.<\/p>\n<p>This article answers, in a clear and rigorous way, the most common questions about this process: what pasteurization is, why it is applied, what benefits it provides, why not all olives need it, and what real differences exist between the two versions from a nutritional and sensory point of view.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>What pasteurization is and how the process works<\/strong><\/h2>\n<p><strong>Pasteurization<\/strong> is a heat treatment that consists of heating the packaged product, typically between 65\u00b0C and 90\u00b0C for periods ranging from 10 to 55 minutes depending on the packaging format and the variety being treated. The goal is to destroy the vegetative forms of potentially dangerous microorganisms\u2014yeasts, molds, and certain bacteria\u2014without reaching full sterilization, which would require much higher temperatures (around 121\u00b0C) and is reserved for very specific low-acid preparations.<\/p>\n<p>In the <strong>table olive<\/strong> industry, the process usually takes place in tunnel pasteurizers: sealed jars or cans move through a chamber where they are progressively heated, held at treatment temperature long enough to achieve the required microbiological lethality, and then cooled under controlled conditions to avoid thermal shocks that could damage the product. This time-temperature control is measured in &#8220;Pasteurization Units&#8221; (PU), a parameter that quantifies the cumulative lethal effect on the target microorganisms.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Why pasteurization is used: the science of food safety<\/strong><\/h2>\n<p>The main reason for pasteurizing <strong>olives<\/strong> is long-term food safety. When the <strong>natural brine fermentation<\/strong> is not complete, or when the final <strong>pH<\/strong> does not drop below 4.0-4.5 units, there is a risk of proliferation of pathogenic microorganisms, especially of the Clostridium genus, whose spores can survive under low-acidity conditions and generate dangerous toxins. Food regulations, including the Codex Alimentarius, therefore require a thermal preservation treatment when certain thresholds for free acidity, combined acidity, and salt concentration are not met.<\/p>\n<p>In other words: <strong>pasteurization acts as a complementary safety barrier<\/strong> when the product&#8217;s own chemistry\u2014its acidity, salinity, and level of fermentation\u2014is not enough on its own to inhibit microbial growth throughout the product&#8217;s shelf life on the supermarket shelf. This is especially relevant for presentations such as <strong>pitted, stuffed, or sliced olives<\/strong>, formats in which mechanical handling of the fruit breaks its natural protective skin and increases the surface exposed to potential contamination, making heat treatment practically mandatory.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>What benefits it brings to the production process<\/strong><\/h2>\n<p>Beyond safety, pasteurization offers production and commercial advantages that explain its widespread industrial use:<\/p>\n<ul>\n<li><strong>Microbiological stability at room temperature<\/strong>: allows the product to be distributed and stored without refrigeration, simplifying logistics and expanding sales channels.<\/li>\n<li><strong>Extended shelf life<\/strong>: significantly lengthens the product&#8217;s expiration date, reducing waste and enabling commercialization on a larger geographic and temporal scale.<\/li>\n<li><strong>Sensory standardization<\/strong>: locks in color, texture, and flavor at a specific point, preventing fermentation from continuing to evolve inside the already sealed container.<\/li>\n<li><strong>Compatibility with delicate formats<\/strong>: practically essential for pitted, stuffed, or sliced varieties, where the fruit&#8217;s physical integrity has already been altered.<\/li>\n<\/ul>\n<p>A specialized <strong>table olive<\/strong> manufacturer notes that this heat treatment &#8220;allows the olive to keep all its organoleptic properties intact&#8221; at the time of packaging, thereby locking in the sensory quality that reaches the end consumer.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Why not all varieties are pasteurized the same way<\/strong><\/h2>\n<p>This is where the most interesting variable from a food technology perspective comes in: <strong>not all olives require the same treatment<\/strong>, and the decision depends on several interrelated factors.<\/p>\n<p>First, the <strong>degree of fermentation achieved<\/strong>. When lactic fermentation in brine is complete and the product naturally reaches pH values below 3.5 and salt concentrations above 5%, the product&#8217;s own physicochemical conditions are sufficient to guarantee its preservation without the need for additional heat. This is the case for many <strong>traditional Spanish-style fermented green or black olives<\/strong>, which can be sold unpasteurized when they meet these parameters.<\/p>\n<p>Second, the <strong>initial oleuropein content<\/strong> (the compound responsible for the olive&#8217;s natural bitterness) varies by variety: in fruits with low content, such as the Alore\u00f1a variety, the brining period can be as short as 3-7 days, while other varieties require longer, more intensive debittering processes using sodium hydroxide, which alters the final product&#8217;s balance differently and its subsequent need for heat treatment.<\/p>\n<p>Third, the <strong>presentation format<\/strong> is decisive: whole olives with the pit and intact skin present a much more effective natural barrier against microbial contamination than pitted, anchovy- or pepper-stuffed, or sliced olives, whose exposed flesh needs, almost without exception, pasteurization after packaging.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Impact on texture: what the consumer perceives<\/strong><\/h2>\n<p>From a sensory standpoint, the heat applied during pasteurization has a measurable effect on <strong>flesh firmness<\/strong>. Instrumental texture studies show that fresh pitted olives can present values around 7.95 kN\/100g of fruit, dropping to ranges of 4.8 to 5.5 kN\/100g after the most intensive preservation treatments, including pasteurization. This loss of firmness explains why non-pasteurized, traditionally fermented olives tend to retain a slightly firmer, &#8220;livelier&#8221; texture when bitten into, while pasteurized olives tend toward a more uniform, softer texture\u2014a trait many manufacturers deliberately pursue to improve the consumption experience for different customer profiles.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>Nutritional differences: the probiotic debate<\/strong><\/h2>\n<p>One of the aspects most frequently searched by informed consumers is the nutritional impact of pasteurization, especially regarding <strong>probiotics<\/strong>. <strong>Natural brine fermentation<\/strong> spontaneously generates lactic bacteria beneficial to gut microbiota, an added value that many nutritionists highlight in traditional non-pasteurized olives. The heat treatment of pasteurization, by destroying the vegetative forms of microorganisms, also eliminates these beneficial live bacteria, so pasteurized olives, while still a healthy food, do not offer the same probiotic contribution as their traditionally fermented counterparts.<\/p>\n<p>This does not mean pasteurized olives lose their overall nutritional value: they retain their content of monounsaturated fats, vitamin E, and phenolic compounds characteristic of the olive fruit. The difference is concentrated specifically in the live probiotic component, which is heat-sensitive and only present when there has been no thermal treatment following fermentation.<\/p>\n<p>&nbsp;<\/p>\n<h2><strong>How to identify each type on the label<\/strong><\/h2>\n<p>For consumers seeking <strong>non-pasteurized olives<\/strong> with a probiotic profile, the most reliable label indicator is an explicit mention of &#8220;<strong>brine-fermented<\/strong>&#8221; or &#8220;<strong>not heat-treated<\/strong>&#8220;. In the absence of this indication, and especially in pitted, stuffed, or canned formats, the product has most likely been pasteurized as a standard safety measure, as confirmed by common industry practice for this type of presentation.<\/p>\n<h4><strong>Summary table: pasteurized vs. non-pasteurized<\/strong><\/h4>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-6bf99c0 eael-table-align-center eael-dt-th-align-left elementor-widget elementor-widget-eael-data-table\" data-id=\"6bf99c0\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"eael-data-table.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"eael-data-table-wrap\" data-table_id=\"6bf99c0\" id=\"eael-data-table-wrapper-6bf99c0\" data-custom_responsive=\"false\">\n\t\t\t<table class=\"tablesorter eael-data-table center\" id=\"eael-data-table-6bf99c0\">\n\t\t\t    <thead>\n\t\t\t        <tr class=\"table-header\">\n\t\t\t\t\t\t\t\t\t            <th class=\"\" id=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"data-table-header-text\">Aspect<\/span><\/th>\n\t\t\t        \t\t\t\t            <th class=\"\" id=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"data-table-header-text\">Pasteurized olives<\/span><\/th>\n\t\t\t        \t\t\t\t            <th class=\"\" id=\"\" colspan=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t<span class=\"data-table-header-text\">Non-pasteurized olives<\/span><\/th>\n\t\t\t        \t\t\t\t        <\/tr>\n\t\t\t    <\/thead>\n\t\t\t  \t<tbody>\n\t\t\t\t\t\t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tTreatment\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tControlled heat (65-90\u00b0C, 10-55 min) after packaging\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tNo additional heat treatment; preserved by pH and salt\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tShelf life\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tLong, stable at room temperature\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tShorter, usually requires refrigeration or earlier consumption\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tTexture\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tSofter and more uniform, lower flesh firmness\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tFirmer, retains original bite better\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tProbiotics\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tAbsent; heat destroys live lactic bacteria\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tPresent when brine fermentation is the sole preservation method\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tTypical formats\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tPitted, stuffed, sliced, canned&#8230;\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tWhole, with pit, traditionally fermented&#8230;\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t\t\t\t<tr>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tRegulatory requirement\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tMandatory if pH and acidity don&#8217;t meet safety thresholds\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t   \t\t\t\t\t\t\t\t\t\t\t<td colspan=\"\" rowspan=\"\" class=\"\" id=\"\">\n\t\t\t\t\t\t\t\t\t\t\t\t<div class=\"td-content-wrapper\"><div class=\"td-content\">\n\t\t\t\t\t\t\t\t\t\t\t\t\tValid only if the product naturally reaches sufficient pH and salt levels\t\t\t\t\t\t\t\t\t\t\t\t<\/div><\/div>\n\t\t\t\t\t\t\t\t\t\t\t<\/td>\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/tr>\n\t\t\t        \t\t\t    <\/tbody>\n\t\t\t<\/table>\n\t\t<\/div>\n\t  \t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-b4a1f0b elementor-widget elementor-widget-text-editor\" data-id=\"b4a1f0b\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t<h2><strong>A decision that is always technical, never arbitrary<\/strong><\/h2>\n<p>The choice of whether to pasteurize a batch of <strong>olives<\/strong> never comes down to chance or purely commercial criteria: it is a <strong>food technology<\/strong> decision based on measurable parameters\u2014pH, free and combined acidity, salt concentration, degree of fermentation achieved, and presentation format\u2014that determine whether the product can guarantee its own microbiological safety or needs the backing of a heat treatment. Understanding this logic allows consumers to interpret labeling with informed judgment and choose, according to their priorities around flavor, texture, or probiotic content, the option that best suits how they enjoy this food so deeply tied to Mediterranean cuisine.<\/p>\n\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t<div class=\"elementor-element elementor-element-fbfca6a elementor-post-navigation-borders-yes elementor-widget elementor-widget-post-navigation\" data-id=\"fbfca6a\" data-element_type=\"widget\" data-e-type=\"widget\" data-widget_type=\"post-navigation.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<div class=\"elementor-post-navigation\" role=\"navigation\" aria-label=\"Post Navigation\">\n\t\t\t<div class=\"elementor-post-navigation__prev elementor-post-navigation__link\">\n\t\t\t\t\t\t\t<\/div>\n\t\t\t\t\t\t\t<div class=\"elementor-post-navigation__separator-wrapper\">\n\t\t\t\t\t<div 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srcset=\"https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Como-se-curan-las-aceitunas-metodos-de-encurtido-300x200.jpg 300w, https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Como-se-curan-las-aceitunas-metodos-de-encurtido-768x512.jpg 768w, https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Como-se-curan-las-aceitunas-metodos-de-encurtido.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/olivesgarcia.com\/en\/how-to-cure-olives-pickling-methods\/\" >\n\t\t\t\tHow to cure olives: pickling methods\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/olivesgarcia.com\/en\/how-to-cure-olives-pickling-methods\/\" aria-label=\"Read more about How to cure olives: pickling methods\" tabindex=\"-1\" >\n\t\t\tRead more \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<article class=\"elementor-post elementor-grid-item post-3309 post type-post status-publish format-standard has-post-thumbnail hentry category-blog\" role=\"listitem\">\n\t\t\t<div class=\"elementor-post__card\">\n\t\t\t\t<a class=\"elementor-post__thumbnail__link\" href=\"https:\/\/olivesgarcia.com\/en\/olive-pasteurization-key-differences\/\" tabindex=\"-1\" ><div class=\"elementor-post__thumbnail\"><img decoding=\"async\" width=\"300\" height=\"200\" src=\"https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Pasteurizacion-de-aceitunas-diferencias-clave-300x200.jpg\" class=\"attachment-medium size-medium wp-image-3283\" alt=\"Aceitunas verdes frescas en salmuera junto a un tarro de aceitunas deshuesadas pasteurizadas, comparativa visual del proceso de elaboraci\u00f3n\" srcset=\"https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Pasteurizacion-de-aceitunas-diferencias-clave-300x200.jpg 300w, https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Pasteurizacion-de-aceitunas-diferencias-clave-768x512.jpg 768w, https:\/\/olivesgarcia.com\/wp-content\/uploads\/2026\/08\/Olives-GARCIA-Blog-Pasteurizacion-de-aceitunas-diferencias-clave.jpg 800w\" sizes=\"(max-width: 300px) 100vw, 300px\" \/><\/div><\/a>\n\t\t\t\t<div class=\"elementor-post__text\">\n\t\t\t\t<h3 class=\"elementor-post__title\">\n\t\t\t<a href=\"https:\/\/olivesgarcia.com\/en\/olive-pasteurization-key-differences\/\" >\n\t\t\t\tOlive pasteurization: key differences\t\t\t<\/a>\n\t\t<\/h3>\n\t\t\n\t\t<a class=\"elementor-post__read-more\" href=\"https:\/\/olivesgarcia.com\/en\/olive-pasteurization-key-differences\/\" aria-label=\"Read more about Olive pasteurization: key differences\" tabindex=\"-1\" >\n\t\t\tRead more \u00bb\t\t<\/a>\n\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/article>\n\t\t\t\t<\/div>\n\t\t\n\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t<\/section>\n\t\t\t\t<\/div>\n\t\t","protected":false},"excerpt":{"rendered":"<p>\/ When choosing a jar of olives at the supermarket, few people notice a detail that appears discreetly on the label: whether the product has<\/p>\n","protected":false},"author":2,"featured_media":3283,"comment_status":"closed","ping_status":"open","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"footnotes":""},"categories":[71],"tags":[],"class_list":["post-3309","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-blog"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Olive pasteurization: key differences - Olives Garcia<\/title>\n<meta name=\"description\" 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