{"id":2693,"date":"2026-10-25T19:13:19","date_gmt":"2026-10-25T18:13:19","guid":{"rendered":"https:\/\/purvival.com\/journal\/ingredients\/reishi\/"},"modified":"2026-10-25T22:28:21","modified_gmt":"2026-10-25T21:28:21","slug":"reishi","status":"publish","type":"bw_ingredient","link":"https:\/\/purvival.com\/journal\/ingredients\/reishi\/","title":{"rendered":"Reishi"},"content":{"rendered":"

Ce que c\u2019est<\/h2>\n

Le reishi (Ganoderma lucidum<\/em>), appel\u00e9 lingzhi en Chine, est un champignon polypore qui pousse sur le bois des feuillus, avec un chapeau dur, rouge brun et brillant comme laqu\u00e9. Trop ligneux pour se cuisiner, il se consomme s\u00e9ch\u00e9, en infusion, en poudre ou en extrait. La m\u00e9decine chinoise l\u2019utilise depuis plus de deux mille ans<\/a> ; on le cultive aujourd\u2019hui, car il est rare \u00e0 l\u2019\u00e9tat sauvage.<\/p>\n

Il contient surtout des polysaccharides, en particulier des b\u00eata-glucanes, et des triterp\u00e8nes, dont les acides ganod\u00e9riques qui lui donnent son amertume (Wachtel-Galor et al., Herbal Medicine<\/em>, 2011<\/a>). Les essais chez l\u2019humain utilisent diff\u00e9rentes pr\u00e9parations : poudre de champignon, extrait \u00e0 l\u2019eau, extrait de polysaccharides ou huile de spores.<\/p>\n

Purvival propose le reishi dans Reishi imp\u00e9rial d\u2019Hokkaid\u014d, un extrait de reishi cultiv\u00e9 au Japon : sa page d\u00e9taille son origine et sa fabrication.<\/p>\n","protected":false},"excerpt":{"rendered":"

Champignon des troncs de feuillus au chapeau rouge laqu\u00e9, utilis\u00e9 depuis des si\u00e8cles en Chine et au Japon.<\/p>\n","protected":false},"featured_media":2697,"template":"","meta":{"_bw_latin":"Ganoderma lucidum","_bw_synonyms":"lingzhi, ganoderme luisant","_bw_brand":"","_bw_precautions":"","_bw_subtitle":"","_bw_studies_intro":"

Chez 123 personnes atteintes de neurasth\u00e9nie, un extrait de polysaccharides a r\u00e9duit la fatigue davantage que le placebo en 8 semaines (Tang et al., 2005<\/a>). Chez des femmes \u00e2g\u00e9es, 2 g d\u2019extrait sec par jour pendant 8 semaines ont modifi\u00e9 le fonctionnement de certains globules blancs (Iser-Bem et al., 2024<\/a>). Chez 42 adultes en bonne sant\u00e9, une pr\u00e9paration enrichie en triterp\u00e8nes et en polysaccharides a augment\u00e9 la capacit\u00e9 antioxydante du sang et fait baisser deux enzymes du foie (Chiu et al., 2017<\/a>).<\/p>","_bw_mention":"","_bw_studies":[{"resultat":"La fatigue a diminu\u00e9 de 28,3 % contre 20,1 % sous placebo, et 51,6 % des patients \u00e9taient nettement am\u00e9lior\u00e9s contre 24,6 % sous placebo ; l\u2019extrait a \u00e9t\u00e9 bien tol\u00e9r\u00e9.","type":"essai","population":"132 adultes atteints de neurasth\u00e9nie (123 analys\u00e9s)","dose":"1 800 mg d\u2019extrait de polysaccharides trois fois par jour","duree":"8 semaines","auteurs":"Tang et al.","annee":"2005","revue":"Journal of Medicinal Food","lien":"https:\/\/doi.org\/10.1089\/jmf.2005.8.53","source":"publication","note":"R\u00e9sum\u00e9 PubMed 15857210 lu. Extrait Ganopoly\u00ae."},{"resultat":"Les lymphocytes ont mieux prolif\u00e9r\u00e9 sous stimulation, et l\u2019\u00e9quilibre de certaines cellules immunitaires a \u00e9volu\u00e9 vers un profil moins inflammatoire, par rapport au placebo.","type":"essai","population":"60 femmes \u00e2g\u00e9es incluses, 39 analys\u00e9es","dose":"2 000 mg d\u2019extrait sec par jour","duree":"8 semaines","auteurs":"Iser-Bem et al.","annee":"2024","revue":"British Journal of Nutrition","lien":"https:\/\/doi.org\/10.1017\/S0007114524001144","source":"publication","note":"R\u00e9sum\u00e9 PubMed 38800991 lu. Pas de conflit d\u2019int\u00e9r\u00eats d\u00e9clar\u00e9."},{"resultat":"La capacit\u00e9 antioxydante du sang a augment\u00e9 et deux enzymes du foie (ASAT, ALAT) ont baiss\u00e9 de 42 et 27 % par rapport au placebo.","type":"essai","population":"42 adultes en bonne sant\u00e9","dose":"225 mg par jour d\u2019un reishi enrichi en triterp\u00e8nes et polysaccharides","duree":"6 mois (essai crois\u00e9)","auteurs":"Chiu et al.","annee":"2017","revue":"Pharmaceutical Biology","lien":"https:\/\/doi.org\/10.1080\/13880209.2017.1288750","source":"publication","note":"R\u00e9sum\u00e9 PubMed 28183232 lu."},{"resultat":"Aucun effet ind\u00e9sirable par rapport au placebo, ni sur les analyses de sang et d\u2019urine ni sur l\u2019\u00e9lectrocardiogramme.","type":"essai","population":"16 adultes en bonne sant\u00e9","dose":"2 g d\u2019extrait deux fois par jour","duree":"10 jours","auteurs":"Wicks et al.","annee":"2007","revue":"American Journal of Chinese Medicine","lien":"https:\/\/doi.org\/10.1142\/S0192415X07004928","source":"publication","note":"R\u00e9sum\u00e9 PubMed 17597499 lu. \u00c9tude de tol\u00e9rance."}],"_bw_documents":[],"_bw_claims":["Contribue aux d\u00e9fenses immunitaires naturelles","Aide \u00e0 diminuer le taux de cholest\u00e9rol"],"_bw_logo":0,"_bw_logo_dark":false},"class_list":["post-2693","bw_ingredient","type-bw_ingredient","status-publish","has-post-thumbnail","hentry"],"yoast_head":"\nReishi - 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