{"id":1351,"date":"2013-08-23T11:40:56","date_gmt":"2013-08-23T15:40:56","guid":{"rendered":"https:\/\/sylviebeljanski.com\/?p=1351"},"modified":"2022-08-18T09:21:24","modified_gmt":"2022-08-18T13:21:24","slug":"pao-acier","status":"publish","type":"post","link":"https:\/\/sylviebeljanski.com\/fr\/pao-acier\/","title":{"rendered":"Les bienfaits du Pao pereira sur l’homme et sur…l’acier !"},"content":{"rendered":"
\"Petit<\/a>

Petit Pao pereira – photo de Sylvie Beljanski<\/p><\/div>\n

Apr\u00e8s l\u2019universit\u00e9 du Kansas qui s\u2019int\u00e9resse au Pao pereira (Geissospermum) pour l’inhibition des cellules canc\u00e9reuses du pancr\u00e9as<\/a>, c\u2019est maintenant le tour de l\u2019universit\u00e9 de Guyane de s\u2019int\u00e9resser \u00e0 cette plante. En effet, un \u00e9tudiant vient de publier sa th\u00e8se dont le sujet est l\u2019inhibition de l’acier C38 en milieu acide HC1 1M par les extraits alcalo\u00efdes issus de deux plantes : Aspidosperma album et Geissospermum laeve. D\u2019apr\u00e8s lui, biod\u00e9gradables et respectueux de l’environnement, les alcalo\u00efdes de ces deux plantes pourraient \u00eatre utilis\u00e9s temporairement pour pr\u00e9venir la corrosion de l’acier avec des taux d’inhibition sup\u00e9rieurs \u00e0 ceux d\u00e9crits dans la litt\u00e9rature.<\/p>\n

Toutefois, \u00e0 premi\u00e8re lecture, cette \u00a0\u00e9tude diff\u00e8re avec les travaux de recherche conduits par Natural Source International car l’inhibition de la corrosion de l’acier serait due \u00e0 l\u2019action de l’alcalo\u00efde majeur du Geissospermum, alors que Beljanski \u2013 et par suite Natural Source – s\u2019est int\u00e9ress\u00e9 \u00e0 l’alcalo\u00efde secondaire. \u00a0Cette distinction est importante et explique la tr\u00e8s faible cytotoxicit\u00e9, maintes fois observ\u00e9e, des extraits fabriqu\u00e9s selon la m\u00e9thode de Mirko Beljanski. \u00a0Bien entendu, la cytotoxicit\u00e9 de l\u2019extrait \u00e0 peu d\u2019importance quand il s\u2019agit d\u2019acier !
\nIl est cependant toujours int\u00e9ressant de voir que la nature nous apporte, dans tous les domaines, un meilleur choix que les produits chimiques que l\u2019homme s\u2019acharne \u00e0 produire en quantit\u00e9… industrielle !<\/p>\n

Le Pao pereira fut d\u00e9crit d\u2019abord \u00a0par le botaniste \u00a0John Miers, qui publia en 1878 un m\u00e9moire sur les Apocynac\u00e9es<\/a>, famille botanique \u00e0 laquelle appartient le Pao pereira.
\nDans son ouvrage \u00ab\u00a0 A Manual of Botany – including the Structure, Classification, Properties, Uses, And Functions of Plants<\/a> \u00bb, Robert Bentley r\u00e9v\u00e8la que l’\u00e9corce de Pao \u00e9tait largement utilis\u00e9e au Br\u00e9sil comme f\u00e9brifuge et anti-p\u00e9riodique.<\/p>\n

C\u2019est \u00e0 Mirko Beljanski que l\u2019on doit d\u2019avoir mis au point un extrait s\u00e9lectif des alcalo\u00efdes et d\u2019avoir d\u00e9montr\u00e9 l\u2019activit\u00e9 sp\u00e9cifiquement anticanc\u00e9reuse de certains, une activit\u00e9 encore r\u00e9cemment confirm\u00e9e par l\u2019Universit\u00e9 du Kansas.<\/p>\n","protected":false},"excerpt":{"rendered":"

Apr\u00e8s l\u2019universit\u00e9 du Kansas qui s\u2019int\u00e9resse au Pao pereira (Geissospermum) pour l’inhibition des cellules canc\u00e9reuses du pancr\u00e9as, c\u2019est maintenant le tour de l\u2019universit\u00e9 de Guyane de s\u2019int\u00e9resser \u00e0 cette plante. En effet, un \u00e9tudiant vient de publier sa th\u00e8se dont le sujet est l\u2019inhibition de l’acier C38 en milieu acide HC1 1M par les extraits […]<\/p>\n","protected":false},"author":18,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"categories":[152],"tags":[],"class_list":["post-1351","post","type-post","status-publish","format-standard","hentry","category-news-fr"],"yoast_head":"\nLes bienfaits du Pao pereira sur l'homme et sur...l'acier !<\/title>\n<meta name=\"description\" content=\"Apr\u00e8s l\u2019universit\u00e9 du Kansas qui s\u2019int\u00e9resse au Pao pereira (Geissospermum) pour l'inhibition des cellules canc\u00e9reuses du pancr\u00e9as,\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/sylviebeljanski.com\/fr\/pao-acier\/\" 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