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Ka hortagga gabowga nova spermidine, biosynthesis yaa hogaamin doona warshadaynta?

2024-08-14

Qaabka kiimikada ee shahwada waa C7H19N3, oo ka kooban hal koox amin (NH) iyo laba kooxood oo amino (NH2). Qaabkeeda molecular ayaa hoos lagu muujiyey, oo iska leh kareem aan midab lahayn. Qaab dhismeedka kiimikada spermidine wuxuu ka kooban yahay saddex atomi oo nitrogen ah, taas oo ka dhigaysa in ay leedahay hawlo kiimiko ah oo gaar ah iyo dhaqdhaqaaqa noolaha.

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Spermidine waxaa laga helaa cuntooyin badan, gaar ahaan xaddi badan oo digirta ah (sida soybeans), miraha dhanaan, cuntooyinka khamiirka leh (sida farmaajo), boqoshaada, iyo qaar ka mid ah miraha (sida miraha liinta). Jidhku waxa kale oo uu isku sameeyaa shahwada lafteeda, badi ahaan beerka, kelyaha iyo xiidmaha yaryar. Si kastaba ha ahaatee, xadiga shahwada ee uu soo saaro jidhka bini'aadamka waxaa saameeya da'da, cuntada, microbiota mindhicirka iyo arrimaha hidde-sideyaasha, waxaana hoos u dhaca xadiga iskudarka jirka bani'aadamku marka uu gaaro da'da 30 jir, hoos u dhacana waa mid muuqda ka dib marka uu gaaro 40 jir.

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Spermidine waxay leedahay anti-oxidation (xagjirrada xorta ah ee cad), anti-gabowga (autophagy, nadiifinta unugyada dareenka), hagaajinta caafimaadka taranka (gaar ahaan hagaajinta ugxan-sidaha, da'da taranka oo dheereysa) iyo ilaalinta wadnaha iyo xididdada dhiigga, iwm, waxay noqotay wax soo saarka xiddigaha ee duurka ka hortagga gabowga.

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Spermidine waxay leedahay laba hab oo ah soo saarista dhirta iyo halsano bayooloji ah, wax soo saarka shahwada ee suuqa ku jira waxaa inta badan laga soo saaraa bariiska ama jeermiska qamadiga sida alaabta ceeriin, iyo qiimaha 98% ee alaabta saafiga ah waxay gaareysaa 7000 yuan / kg.

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Biosynthesis: isku dhafka shahwada leh homoserine iyo putrescine (butylenediamine) sida substrate, dehydrogenating homoserine si aspartate hemialdehyde iyo NADH oo leh homoserine dehydrogenase, isku darka aspartate hemialdehyde iyo putrescine to carboxyglarine leh NADH sida coenzyme, iyo AD. Ugu dambeyntii, arginine decarboxylase decarboxylated arginine si loo soo saaro arginine. Xaddiga shahwada ee xalka falcelinta waxay noqon kartaa ilaa 13g/L.

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Waqtigan xaadirka ah, shirkadaha bayoolojiga synthetic ee gudaha Huarui Biology, Zhongke Xinyang, Twinings Biology iyo Shanghai ergothione iyo shirkado kale ayaa riixaya bayoolojiga synthetic spermidine, kuwaas oo ugu dambeyntii qaadi kara hogaanka warshadaha oo noqda sahayda caadiga ah aan sugno oo aragno.