Ansyen pye bwa a ki konekte nou ak dla a

If nwa a oswa if komen (Taxus baccata) se yon rezine ki jwenn nan sistèm mòn yo nan nò Penensil Ibèrik la. Fòm karakteristik li yo gen fèy lineyè, ki sanble ak zegwi, ranje nan de ranje opoze.

Lè grenn nan matirite, li parèt prèske antyèman antoure pa yon bag charnèl oswa spheroid, translusid wouj nan koulè, ke yo rekonèt kòm yon aril.

Yew la se yon pye bwa vrèman inik, nan ki branch yo grandi prèske soti nan baz la fini nan mens, fèy pwente, nan ki nou dwe ajoute ke kòf li se vid.

Nan tout pati nan pye bwa a, eksepte aril grenn yo, nou ka jwenn yon sibstans pwazon ki rele taksin. Li se yon alkaloid ki kapab lakòz iritasyon gastwoentestinal nan kò nou an ak efè danjere sou sistèm kadyovaskilè a.

Taxina se yon sibstans ki trè danjere; li estime likid ki soti nan kwit manje 50-100 g fèy if ta ase pou mete fen nan lavi yon moun.

Soti nan ansyen peyi Lejip rive nan Numancia

Pandan syèk yo Yew la te antoure pa yon Halo nan mistik ak imaj li yo te asosye ak tou de Lavi, fèy li yo te mete nan pòt yo nan kay, ak Lanmò, li te plante nan simityè. Efè danjere li yo te deja konnen nan tan lontan. Aparamman Numantines yo, tounen nan 133 BC. C., yo te ale nan Yew la pou fè yon swisid kolektif epi evite tonbe anba jouk Women an.

Koulye a, gen lòt kote Ewopeyen kote Yew te fè pati tradisyon an e kanmenm akòz efè letal li yo. Kidonk, gen yon lejand Ilandè ki deklare ke pou marye ak yon peyi li te nesesè pou pretandan an pote yon branch nan Holly, yon flè marigold ak bè crimson Yew.

Yo di tou ke banza Robin Hood, ewo ki te dirije yon revòlt nan Sherwood Forest, te fèt ak bwa if. Egzakteman menm materyèl ak kèk sarkofaj yo te fè nan ansyen peyi Lejip la.

Gen kèk bèt ki gratis nan toksisite nan Yew la, ki reprezante yon pwoblèm grav pou jèminasyon ak, Se poutèt sa, pou perpétuer jèn yo, ki se poukisa pye bwa sa yo dwe viv trè long nan pwen ke kèk espesimèn ka viv mil ane. .

Pou egzanp, Kominote a nan Madrid gen, nan mitan pye bwa inik li yo, Barondillo de Lozoya Yew, ki se ant 1500 ak 1800 ane fin vye granmoun.

Yon alyas kont timè

Etimolojikman kantite pye bwa sa yo gen rapò ak badgers, yon mamifè ki soti nan fanmi mustelid ki fè twou konplike li yo ant rasin li yo.

Pandan plizyè syèk, yo te fè tantativ pou konpanse move laprès la nan if nan rechèch pou remèd ki ka geri ou. Nan epòk Anperè Klòd, li te rekòmande extraction sèv Yew kòm yon antidot nan mòde koulèv ak nan Renesans la te konsidere li, nan dòz ki ba, kòm antirwomatik, antimalarya ak antiavòtif.

Malgre tout bagay, se te nan katreventèn yo nan dènye syèk la lè li te akeri yon sèten notoryete nan domèn medikaman an lè kèk etid te parèt ki te deklare ke yon dwòg (taxol) ak pwopriyete anti-kansè ta ka jwenn nan jape pye bwa a. . Kounye a, gen plis pase diferan kalite kansè ki efektivman trete ak kalite konpoze sa a, ki fè sentetik san yo pa oblije koupe pye bwa if.

SOU OTÈ A

Pedro Choker

Entènis nan Lopital El Escorial (Madrid) e otè plizyè liv popilè.

<div class="voc-author__name">Pedro Gargantilla</div>
<p>‘></p>
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