{"id":649,"date":"2026-10-25T12:13:32","date_gmt":"2026-10-25T11:13:32","guid":{"rendered":"https:\/\/purvival.com\/journal\/?post_type=bw_ingredient&#038;p=649"},"modified":"2026-10-25T22:28:21","modified_gmt":"2026-10-25T21:28:21","slug":"quercetine","status":"publish","type":"bw_ingredient","link":"https:\/\/purvival.com\/journal\/ingredients\/quercetine\/","title":{"rendered":"Querc\u00e9tine"},"content":{"rendered":"<h2>Ce que c\u2019est<\/h2>\n<p>La querc\u00e9tine est un pigment v\u00e9g\u00e9tal de la famille des flavono\u00efdes, l\u2019un des polyph\u00e9nols les plus r\u00e9pandus dans les fruits et l\u00e9gumes : l\u2019oignon, la pomme, le th\u00e9, les c\u00e2pres et les baies en contiennent. <a href=\"https:\/\/doi.org\/10.3390\/nu11102288\">Dans les plantes, elle est le plus souvent li\u00e9e \u00e0 des sucres, et la forme pr\u00e9sente dans l\u2019oignon est celle que le corps absorbe le mieux<\/a> ; le foie la transforme ensuite rapidement.<\/p>\n<p><a href=\"https:\/\/doi.org\/10.1161\/JAHA.115.002713\">Une m\u00e9ta-analyse de 7 essais (587 personnes) a trouv\u00e9 une baisse de la tension art\u00e9rielle avec des compl\u00e9ments de querc\u00e9tine<\/a>.<\/p>\n<p>Une dose de 10 ml d\u2019Optirenov apporte 19 mg de querc\u00e9tine, avec des extraits de terminalia, d\u2019euphraise, de myrtille et de ginkgo, 10 mg de lut\u00e9ine, 2 mg de z\u00e9axanthine et du DHA.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Pigment v\u00e9g\u00e9tal de la famille des flavono\u00efdes, pr\u00e9sent dans l\u2019oignon, la pomme, le th\u00e9 et les c\u00e2pres.<\/p>\n","protected":false},"featured_media":2789,"template":"","meta":{"_bw_latin":"","_bw_synonyms":"","_bw_brand":"","_bw_precautions":"","_bw_subtitle":"flavono\u00efde","_bw_studies_intro":"<p>Une m\u00e9ta-analyse de 7 essais contre placebo (587 personnes) a trouv\u00e9 une baisse de la tension systolique de 3 mmHg et diastolique de 2,6 mmHg avec des compl\u00e9ments de querc\u00e9tine (<a href=\"https:\/\/doi.org\/10.1161\/JAHA.115.002713\">Serban et al., 2016<\/a>). Une analyse de 17 essais (896 participants) a retrouv\u00e9 une baisse de la tension systolique de 3,09 mmHg et diastolique de 2,86 mmHg (<a href=\"https:\/\/doi.org\/10.1093\/nutrit\/nuz071\">Huang et al., 2020<\/a>), et une autre de 10 essais (841 participants) une baisse de la tension systolique de 2,38 mmHg (<a href=\"https:\/\/doi.org\/10.1016\/j.cpcardiol.2022.101350\">Popiolek-Kalisz et Fornal, 2022<\/a>).<\/p>","_bw_mention":"","_bw_studies":[{"resultat":"La pression systolique a baiss\u00e9 de 3 mmHg et la diastolique de 2,6 mmHg en moyenne par rapport au placebo.","type":"revue","population":"7 essais contre placebo, 587 participants","dose":"de moins de 500 mg \u00e0 plus de 500 mg par jour selon les essais","duree":"","auteurs":"Serban et al.","annee":"2016","revue":"Journal of the American Heart Association","lien":"https:\/\/doi.org\/10.1161\/JAHA.115.002713","source":"publication","note":"R\u00e9sum\u00e9 PubMed 27405810 lu. M\u00e9ta-analyse ; la comparaison indirecte entre doses n\u2019a pas montr\u00e9 de diff\u00e9rence significative."},{"resultat":"La querc\u00e9tine a fait baisser la tension systolique (de 3,09 mmHg en moyenne) et diastolique (2,86 mmHg). Le HDL et les triglyc\u00e9rides ont \u00e9volu\u00e9 dans les essais en groupes parall\u00e8les d\u2019au moins 8 semaines.","type":"revue","population":"17 essais randomis\u00e9s, 896 participants","dose":"","duree":"au moins 8 semaines pour les analyses sur le HDL et les triglyc\u00e9rides","auteurs":"Huang et al.","annee":"2020","revue":"Nutrition Reviews","lien":"https:\/\/doi.org\/10.1093\/nutrit\/nuz071","source":"publication","note":"R\u00e9sum\u00e9 PubMed 31940027 lu. M\u00e9ta-analyse, recherche jusqu\u2019en juillet 2018. Doses non pr\u00e9cis\u00e9es dans le r\u00e9sum\u00e9."},{"resultat":"La querc\u00e9tine a fait baisser la tension systolique de 2,38 mmHg dans l\u2019ensemble et de 1,82 mmHg chez les personnes \u00e0 tension normale, et la tension diastolique de 3,14 mmHg chez les personnes \u00e0 tension limite ou \u00e9lev\u00e9e.","type":"revue","population":"10 essais randomis\u00e9s, 841 participants","dose":"","duree":"","auteurs":"Popiolek-Kalisz et Fornal","annee":"2022","revue":"Current Problems in Cardiology","lien":"https:\/\/doi.org\/10.1016\/j.cpcardiol.2022.101350","source":"publication","note":"R\u00e9sum\u00e9 PubMed 35948195 lu. M\u00e9ta-analyse, recherche jusqu\u2019en mai 2022. Doses et dur\u00e9es non pr\u00e9cis\u00e9es dans le r\u00e9sum\u00e9."}],"_bw_documents":[],"_bw_claims":["__none__"],"_bw_logo":0,"_bw_logo_dark":false},"class_list":["post-649","bw_ingredient","type-bw_ingredient","status-publish","has-post-thumbnail","hentry"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v28.7 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Querc\u00e9tine - Journal Purvival<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/purvival.com\/journal\/ingredients\/quercetine\/\" \/>\n<meta property=\"og:locale\" content=\"fr_FR\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Querc\u00e9tine - Journal Purvival\" \/>\n<meta property=\"og:description\" content=\"Pigment v\u00e9g\u00e9tal de la famille des flavono\u00efdes, pr\u00e9sent dans l\u2019oignon, la pomme, le th\u00e9 et les c\u00e2pres.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/purvival.com\/journal\/ingredients\/quercetine\/\" \/>\n<meta property=\"og:site_name\" content=\"Journal Purvival\" \/>\n<meta property=\"article:modified_time\" content=\"2026-10-25T21:28:21+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/purvival.com\/journal\/wp-content\/uploads\/sites\/5\/2026\/10\/quercetine.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1344\" \/>\n\t<meta property=\"og:image:height\" content=\"752\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Dur\u00e9e de lecture estim\u00e9e\" \/>\n\t<meta name=\"twitter:data1\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/purvival.com\\\/journal\\\/ingredients\\\/quercetine\\\/\",\"url\":\"https:\\\/\\\/purvival.com\\\/journal\\\/ingredients\\\/quercetine\\\/\",\"name\":\"Querc\u00e9tine - 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