Lub luag haujlwm ntawm sterols
Phytosterols yog cov tshuaj steroids ntawm 3-hydroxyl txoj haujlwm, nrog cyclopentane perhydrophenanthrene ua lub cev pob txha loj, suav txog feem ntau ntawm tetracyclic peb-post sib txuas. Ntawm phytosterols, tau pom 40 sterols loj, uas cov ntsiab lus loj tshaj Nws yog sitosterol,stigmasterolthiab campesterol. Kev sib xyaw ua kom huv phytosterol yog cov hmoov lossis cov hmoov dawb. Tom qab kho cov tshuaj ua kom crystallization, nws dhau los ua cov kab dawb los yog zoo li cov muaju. Lub cev thiab tshuaj muaj zog ntawm phytosterols feem ntau yog hydrophobic, tab sis vim yog lawv cov qauv nrog hydroxyl pawg, lawv kuj yog hydrophilic. Yog li ntawd, ntawm ib sab, muaj ob pawg hydrophilic thiab pab pawg lipophilic hauv tib cov qauv txheej txheem txhais tau tias cov khoom muaj cov yam ntxwv emulsifying, thiab cov khoom emulsifying ntawm phytosterols tuaj yeem txhim kho los ntawm kev hloov kho cov pab pawg hydroxyl. Phytosterols muaj cov yam ntxwv amphoteric uas ua rau lawv muaj peev xwm los ntawm thiab tswj cov dej ntws ntawm cov thim rov qab-ntu daim nyias nyias; ntawm qhov tod tes, phytosterols feem ntau yog hydrophobic, tab sis vim yog lawv cov qauv nrog cov pab pawg hydroxyl, lawv kuj muaj qee yam ntawm hydrophilicity. , Qhov loj dua ntawm sab saw, muaj zog dua hydrophobicity ntawm sterol. Qhov nqus tshwj xeeb ntawm phytosterol loj dua me ntsis ntawm dej. Nws yog insoluble hauv dej thiab soluble hauv ntau yam organic solvents.
1. Cov roj (cholesterol) qis
Raws li qhov xwm txheej ib txwm muaj, cov roj cholesterol tau tsim los ntawm lub cev thiab coj los ntawm cov zaub mov tau hloov pauv mus rau hauv cov tshuaj steroid lossis cov khoom hu ua cell membrane. Thiab khaws cov roj cholesterol hauv cov ntshav tas li. Thaum cov roj (cholesterol) tau txais los ntawm cov zaub mov ntau dua qhov ib txwm xav tau hauv lub cev, daim siab thiab lwm yam kabmob' kev tswj tsis siv neeg ntawm kev nqus cov roj cholesterol thiab kev tso tawm yuav dhau los ua qhov tsis zoo, uas yuav ua rau cov ntshav cov ntshav cov ntshav ntau dhau, ua rau hypercholesterolemia lossis hyperlipidemia. Phytosterols tuaj yeem cuam tshuam kev nqus ntawm cov roj (cholesterol), yog li txo cov roj cholesterol hauv cov ntshav. Nws cov txheej txheem ntawm kev ua yog txhawm rau txhawm rau nqus cov roj (cholesterol) hauv txoj hnyuv; txhawb kev tshem tawm cov roj cholesterol; thiab inhibit biosynthesis ntawm cov cholesterol hauv lub siab.
2. Los tiv thaiv kab mob thiab antipyretic los
Cov tshuaj tiv thaiv kab mob ntawm phytosterols kuj tseem yog ib qho ntawm cov haujlwm tau pom ua ntej. Yazhouning rau kev kho mob periodontitis, tshuaj pleev sitosterol thiab ntsiav tshuaj rau kev kho mob ntawm qhov ncauj thiab mob hawb pob, siv qhov ncauj sitosterol thiab stigmasterol ncaj qha ua tshuaj. Ntawm lawv, Kepingchuan, uas yog tsim los ntawm qhov ncauj-sitosterol thiab lwm yam tshuaj, muaj qhov ua tau zoo ntawm kev kho mob hawb pob, daws hnoos, thiab tshem tawm cov hnoos qeev, thiab tuaj yeem txhawb kev kho ntawm cov ntaub so ntswg mob ntsws ntev. Cov kev tshawb fawb tau qhia tias sitosterol muaj qhov ua kom muaj zog tiv thaiv zoo ib yam li hydrogramsone thiab prednisone. Stigmasterol zoo ib yam kuj muaj qee qhov ua haujlwm tiv thaiv kab mob, tab sis nws tsis muaj kev phiv los ntawm cortisone, yog li nws tuaj yeem siv los ua pab cuam tiv thaiv kev mob. Kev siv tshuaj tiv thaiv mus ntev. Kuj tseem muaj cov tshuaj antipyretic thiab analgesic zoo ib yam li tshuaj aspirin, uas tau ua rau muaj kev saib xyuas dav dav.