{"id":186931,"date":"2025-03-03T08:11:31","date_gmt":"2025-03-03T13:11:31","guid":{"rendered":"https:\/\/inrs.ca\/?post_type=topic_post&#038;p=186931"},"modified":"2025-04-04T13:46:51","modified_gmt":"2025-04-04T17:46:51","slug":"eliminating-gastroenteritis-with-cranberries-and-citrus-fruits-myth-or-reality","status":"publish","type":"topic_post","link":"https:\/\/inrs.ca\/en\/inrs\/newsroom\/thematic-reports\/our-monthly-science-question\/eliminating-gastroenteritis-with-cranberries-and-citrus-fruits-myth-or-reality\/","title":{"rendered":"Eliminating gastroenteritis with cranberries and citrus fruits: Myth or reality?\u00a0"},"content":{"rendered":"\n<p class=\"has-large-font-size wp-block-paragraph\">You may not know their official name, but you\u2019ve already crossed paths with them: noroviruses, the most common cause of gastroenteritis in developed countries. These highly contagious viruses can be transmitted in many ways worldwide, including through food.<\/p>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-media-text has-media-on-the-right is-stacked-on-mobile is-image-fill-element has-background\" style=\"background:linear-gradient(135deg,rgb(238,238,238) 0%,rgb(234,234,234) 100%);grid-template-columns:auto 29%\"><div class=\"wp-block-media-text__content\">\n<p class=\"wp-block-paragraph\">Read the article <a href=\"https:\/\/inrs.ca\/wp-content\/uploads\/QSDM_mars_EN.png\" target=\"_blank\" rel=\"noreferrer noopener\">optimized for mobile devices<\/a>.<\/p>\n<\/div><figure class=\"wp-block-media-text__media\"><a href=\"https:\/\/inrs.ca\/wp-content\/uploads\/QSDM_mars_EN.png\" target=\"_blank\" rel=\" noreferrer noopener\"><img loading=\"lazy\" decoding=\"async\" width=\"2000\" height=\"1500\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/Mobile-Qsdm-FEV25.jpg\" alt=\"\" class=\"wp-image-186815 size-full\" style=\"object-position:45% 42%\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/Mobile-Qsdm-FEV25.jpg 2000w, https:\/\/inrs.ca\/wp-content\/uploads\/Mobile-Qsdm-FEV25-300x225.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/Mobile-Qsdm-FEV25-1024x768.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/Mobile-Qsdm-FEV25-768x576.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/Mobile-Qsdm-FEV25-1536x1152.jpg 1536w\" sizes=\"auto, (max-width: 2000px) 100vw, 2000px\" \/><\/a><\/figure><\/div>\n\n\n\n<div style=\"height:50px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#929788\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1042\" class=\"wp-block-cover__image-background wp-image-186933\" alt=\"\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_01.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_01.jpg 1920w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_01-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_01-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_01-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_01-1536x834.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#7c8d7c\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1042\" class=\"wp-block-cover__image-background wp-image-186934\" alt=\"So, there\u2019s a link between noroviruses and lettuce? \n\nThat\u2019s right! Whether before or after the fruit and vegetable harvest, there are many stages where noroviruses can settle on agri-food products, for example through carriers or contaminated water runoff. Noroviruses deposited on food in this way can survive, patiently waiting for the next human to infect.  \" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_02.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_02.jpg 1920w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_02-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_02-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_02-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_02-1536x834.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#828f8e\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1042\" class=\"wp-block-cover__image-background wp-image-186935\" alt=\"Viruses that are not only patient, but also resistant! \n\nToday\u2019s food industry uses many strategies to eliminate potential pathogens from our fruits and vegetables, including cold pasteurization and irradiation. This is a common method that uses X-rays and gamma rays to destroy bacteria, moulds, parasites, and insects that may be found on fresh food. Noroviruses, however, are highly resistant to this stage of conservation. \" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_03.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_03.jpg 1920w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_03-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_03-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_03-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_03-1536x834.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#8b827d\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1041\" class=\"wp-block-cover__image-background wp-image-186936\" alt=\"Easy: Could we just irradiate them more? \n\nYes... and no! Because noroviruses are recalcitrant, the irradiation doses required to eliminate them also compromise the quality of fruits and vegetables. Virus-free strawberries are all well and good, but without their firm texture, they\u2019re less appealing... And there aren\u2019t many fans of brown lettuce. \" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_04.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_04.jpg 1920w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_04-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_04-1024x555.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_04-768x416.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_04-1536x833.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#bea081\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1042\" class=\"wp-block-cover__image-background wp-image-186937\" alt=\"What if the solution could be found in nature? \n\nNo problem: In response to this difficulty encountered by the agri-food industry, Professor Monique Lacroix of Institut national de la recherche scientifique and her team thought of developing a coating based on... cranberry juice and citrus extract! These researchers are the first to test this innovative combination of natural products that are safe for humans.  \" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_05.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_05.jpg 1920w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_05-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_05-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_05-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_05-1536x834.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<div class=\"wp-block-cover is-light\"><span aria-hidden=\"true\" class=\"wp-block-cover__background has-background-dim-0 has-background-dim\" style=\"background-color:#968788\"><\/span><img loading=\"lazy\" decoding=\"async\" width=\"1920\" height=\"1042\" class=\"wp-block-cover__image-background wp-image-186938\" alt=\"Does it work? \n\nAbsolutely! Thanks to the polyphenols and organic acids they contain, cranberries and citrus fruits act as antimicrobials, altering the targeted viruses, which are then much less resistant to irradiation. This reduces the irradiation time required to eliminate noroviruses on fruits and vegetables while protecting plant cells, preserving food quality, and preventing early browning. So, when will this solution be used commercially?\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_06.jpg\" data-object-fit=\"cover\" srcset=\"https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_06.jpg 1920w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_06-300x163.jpg 300w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_06-1024x556.jpg 1024w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_06-768x417.jpg 768w, https:\/\/inrs.ca\/wp-content\/uploads\/infographie_QSDM-fevrier2025_EN_06-1536x834.jpg 1536w\" sizes=\"auto, (max-width: 1920px) 100vw, 1920px\" \/><div class=\"wp-block-cover__inner-container is-layout-constrained wp-block-cover-is-layout-constrained\">\n<p class=\"has-text-align-center has-large-font-size wp-block-paragraph\"><\/p>\n<\/div><\/div>\n\n\n\n<p class=\"has-small-font-size wp-block-paragraph\"><em>These images are generated by artificial intelligence for illustrative purposes only. They do not accurately represent experiments, laboratory procedures or food industry practices. Their sole purpose is to facilitate the popularization of science.<\/em><\/p>\n\n\n\n<div style=\"height:20px\" aria-hidden=\"true\" class=\"wp-block-spacer\"><\/div>\n\n\n\n<p class=\"wp-block-paragraph\">Find out more about Professor Monique Lacroix&#8217;s research:<\/p>\n\n\n<div class=\"content-page-list-ctn\">\n    <h4 class=\"title\"><\/h4>\n    <div class=\"featured-cta-ctn -trio\">\n                    <div class=\"item jsBlockLink\">\n                <div class=\"image\">\n                                            <img decoding=\"async\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/INRS-Monique-Lacroix-web-600x400.jpg\" alt=\"Monique Lacroix\">\n                                    <\/div>\n                <div class=\"info\">\n                    <a class=\"link\" href=\"\/en\/research\/professors\/monique-lacroix\/\">Monique Lacroix<\/a>\n                <\/div>\n            <\/div>\n                    <div class=\"item jsBlockLink\">\n                <div class=\"image\">\n                                            <img decoding=\"async\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/2020\/07\/Acutalite-eliminer-les-virus-dans-nos-aliments-grace-a-la-canneberge-et-aux-agrumes-inrs.jpg\" alt=\"Eliminating viruses in our food with cranberries and citrus fruit\">\n                                    <\/div>\n                <div class=\"info\">\n                    <a class=\"link\" href=\"\/en\/news\/eliminating-viruses-in-our-food-with-cranberries-and-citrus-fruit\/\">Eliminating viruses in our food with cranberries and citrus fruit<\/a>\n                <\/div>\n            <\/div>\n                    <div class=\"item jsBlockLink\">\n                <div class=\"image\">\n                                            <img decoding=\"async\" src=\"https:\/\/inrs.ca\/wp-content\/uploads\/fraises-145495881-600x400.jpg\" alt=\"Winning the battle of strawberry preservation\">\n                                    <\/div>\n                <div class=\"info\">\n                    <a class=\"link\" href=\"\/en\/news\/winning-the-battle-of-strawberry-preservation\/\">Winning the battle of strawberry preservation<\/a>\n                <\/div>\n            <\/div>\n            <\/div>\n<\/div>","protected":false},"featured_media":187143,"parent":175375,"template":"","class_list":["post-186931","topic_post","type-topic_post","status-publish","has-post-thumbnail","hentry"],"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO Premium plugin v26.1 (Yoast SEO v28.3) - https:\/\/yoast.com\/product\/yoast-seo-premium-wordpress\/ -->\n<title>Eliminating gastroenteritis with cranberries and citrus fruits: Myth or reality?\u00a0 | INRS<\/title>\n<meta name=\"description\" content=\"You may not know their official name, but you\u2019ve already crossed paths with them: noroviruses, the most common cause of gastroenteritis in developed countries.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, 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