Honokiol hmoovyog lub ntuj biphenyl sib txuas tau muab tawm los ntawm cov tawv ntoo ntawm tsob ntoo magnolia. Nws yog siv rau hauv cov tshuaj tsoos tshuaj ib txwm los kho cov kab mob xws li ntxhov siab thiab mob. Nyob rau hauv xyoo tsis ntev los no, nrog kev tshawb nrhiav ntawm cov khoom siv hluav taws xob niaj hnub, hijokiol tau ua qauv qhia txog cov qog ua pa, suav nrog cov qog los tiv thaiv, thiab tiv thaiv kev cuam tshuam. Txawm li cas los xij, feem ntau cov kev tshawb fawb tsom mus rau kev ua ub no ntawm honokiol, cov tshuaj sib txawv, thiab cov ntawv thov kev lag luam los ntawm "kev xam pom zoo" tsis tshua muaj suab npe nrov.
Hauv cov khoom lag luam, honokiol feem ntau muaj nyob rau hauv ob daim ntawv: hmoov thiab tshuaj ntsiav. Cov hmoov daim hmoov feem ntau muaj kev coj dawb huv dua thiab yog qhov tsim nyog rau kev tshawb fawb; Thaum daim tshuaj ntsiav tshuaj ntsiav yog yooj yim dua rau cov neeg siv khoom noj thiab muaj kev lag luam zoo dua. Nws yog tsim nyog sau cia tias muaj qhov sib txawv hauv qhov ruaj khov, cov ntaub ntawv thov kev sib txawv ntawm ob daim ntawv no, thiab cov kev sib txawv no tsis tau kawm tag nrho thiab sib tham.
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Honokiol hmoov coa
Molecular tus yam ntxwv thiab kev ruaj khov sib txawv
Molecular yam ntxwv
Tshuaj Txheej Txheem Txheej Txheem
Honokiol belongs rau chav kawm ntawm phenol terpenoids, nrog cov tshuaj noj cov mis nyuj c₁₈h₁₈o₂. Nws muaj li ntawm ob phenylpropane units txuas los ntawm ib tug ether daim ntawv cog lus, tsim cov qauv ntse biphenylropen. Its molecule contains two phenolic hydroxyl groups (-OH) and two allyl side chains (-CH=CH-CH₃). Cov pab pawg no muab nws tshwj xeeb reactivity:
Phebhot Hydroxyl:Yooj yim oxidized, tshwj xeeb tshaj yog nyob rau hauv alkaline lossis lub teeb cig, nws tuaj yeem yuj kev zam txim, nws tuaj yeem yauv oxidation, compressating cov kev tawm tsam, tsim kom muaj quinone derivatives.
Allyl:Rhiab rau lub teeb thiab kub, nws yuav ua rau omerization (xws li CIS-Trans Isomerization) lossis dawb radalization kev phiv tshuaj.
Cov Khoom Sib Txawv Rau Lub Cev
Tsos thiab purity:High-purity (ntau dua los yog sib npaug rau 98%)Honokiol hmoovFeem ntau yog ib qho dawb dawb kom tawm-dawb crystalline khoom, thaum cov khoom lag luam tsawg dua tuaj yeem nthuav tawm cov xim brownish vim yog cov xim bratishal oxidation ua rau muaj xim sib txawv.
Melting taw tes hloov pauv:Lub ntsiab lus melting tshaj yog 86-87.5 degree, tab sis cov ntawv sib txawv lossis crystalline (xws li crystalline thiab crystalline) yuav ua rau qhov sib txawv me me.
Solubility:
Tsawg polarity, nyuaj rau yaj hauv dej (<1 mg/mL), but easily soluble in organic solvents (such as DMSO 36 mg/mL, ethanol ≥5 mg/mL).
Kev nce me ntsis hauv cov kev daws teeb meem me me (tom qab cov ntsiab lus ntawm Phenolic pawg, polarity nce ntxiv), tab sis nco ntsoov cov siab pH tau sai sai.
Tej Tshuaj Lom Zem
Oxidation |Cov pab pawg phenhologyl thiab cov txheej txheem AllyLed los ntawm cov pa oxidgen, tsim cov xim xim av (xws li cov khoom xyaw xim av), ua rau ploj ntawm cov khoom xyaw nquag.
Kev Chelation Hlau:Phenolic Hydroxyl tuaj yeem tsim cov chelates nrog hlau ions xws li Fe³⁺, Cu²⁺, uas tuaj yeem cuam tshuam cov tshuaj ruaj khov lossis bioavailability.
Acid-paus siab rhiab:Nyob rau hauv cov khoom siv acid muaj zog lossis cov qauv molecular yuav dhau mus hloov pauv tsis tau (xws li tawg ntawm cov pab pawg hydroxyl).
Qhov Twg Txiaj Ntsig Sib Tw
Qhov Kev Zam Txim Kub
Tsawg qhov kub thiab txias cia: Pom zoo tub yees ntawm 2-8 degree. Lub sijhawm ntev cia yuav tsum tau -20℃lossis -80℃(tuaj yeem txuas lub teeb lub neej rau 2-3 xyoos). Tsawg kub tuaj yeem cuam tshuam molecular thermal lus tsa suab, txo cov oxidation thiab cov kev coj ua tsis zoo.
Kev pheej hmoo siab: Thaum kub tshaj 30 degree, kev tsis pom zoo nrawm nrawm, tshwj xeeb tshaj yog nyob hauv cov pa lossis lub teeb, muaj peev xwm ua rau cov metabolites ntau.
Lub teeb rhiab
Kev Zam Txim-Nce Yuav Tsum: Phenolic Hydroxyl thiab Allyl yog cov teeb pom kev zoo nyob rau hauv lub teeb, ua rau lub teeb xim daj (los ntawm xim daj → xim av) thiab ploj ntawm kev ua si.
Kev xaiv ntim khoom muag: Yuav tsum siv cov ntawv ci xim av lossis cov ntawv ci ntim kom tsis txhob muaj kev pom tseeb rau kev tshav ntuj lossis lub teeb muaj zog.
Cov av noo thiab cov pa roj oxygen
Hygroscopicity: Powder is prone to moisture absorption and caking. When humidity is >60%, nws yuav ua rau hydrolysis muaj kev cuam tshuam (xws li tawg tawg ntawm Erersety), thiab nws yuav tsum tau muab ntim thiab khaws cia rau hauv ib puag ncig qhuav.
Oxidation kev pheej hmoo: oxygen yog qhov tseem ceeb rau kev ua haujlwm. Tom qab qhib, nws yuav tsum tau muab cia nrog nitrogen sau lossis siv deoxygenating tus neeg sawv cev kom txuas lub txee ntev.
Hnyav ruaj khov
DMOs daws: -20℃tuaj yeem khaws cia rau 1 hlis, -80℃tuaj yeem khaws cia rau 6 lub hlis. Kev ruaj khov yog qhov zoo dua li ethanol lossis dej daws teeb meem.
Ethanol daws: Yuav tsum tau muab khaws cia rau ntawm qhov kub qis (xws li -20 degree), raws li Ethanol tuaj yeem txhawb nqa cov pa hydrooob oxidation.
Kev daws dej: tsis ruaj khov, yuav tsum tau npaj thiab siv tam sim ntawd, thiab antioxidant (xws li vitamin c) lossis tus edta) yuav tsum tau ntxiv.
Ph ib puag ncig cov nyhuv
Acidic tej yam kev mob (Ph 2-5): Phenolilly Hydroxyl yog cov khoom siv acid
Alkaline tej yam mob (PH 8-10): Phenolic Hydroxyl yog qhov ua tsis tau zoo, solubility nce ntxiv, oxidation tus nqi accelerates, nruj me ntsis tswj cov ph ntau.
Ntsiab lus ntawm qhov sib txawv tseem ceeb
Qhov kev ruaj khov ntawmHonokiol hmoovyog cuam tshuam los ntawm cov qauv molecular, purity, kev cia siab, thiab ib puag ncig cov ntsiab lus:
High-purity crystalline hmoovmuaj qhov zoo tshaj plaws ruaj khov nyob rau hauv qis kub, lub teeb-thaiv thiab cov xwm txheej qhuav, nrog lub sijhawm siv tau txog li 2-3 xyoos;
Tsawg-purity lossis amorphous hmoovmuaj zog impurities thiab hygroscopicity, yog li xav tau cov kab ke sib cav sib ceg (xws li -80 degree);
Kev xaiv ntawm cov kuab tshuajyuav tsum sib npaug solubility thiab ruaj khov. DMO yog thawj qhov kev xaiv, ua cov kev daws teeb meem yuav tsum zam cov sijhawm ntev.
Los ntawm kev ua kom zoo rau cov neeg mob (xws li tsawg kub, lub teeb tiv thaiv, thiab sib khi) thiab ntxiv cov tshuaj tiv thaiv stabilizes (chelating tus neeg sawv cev), lub sijhawm siv tau ntawmHonokiol hmoovtuaj yeem txuas ntxiv txuas ntxiv thiab nws cov kev ua haujlwm roj ntsha tswj tau.
Bioavailability thiab haum kev lag luam
Bioavailability: ob qhov kev txwv ntawm cov laus tsis muaj solubility thiab cov metabolism ceev dua
Honokiol hmoovyog hydrophobic hom ntawm lignan. Nws cov xyoob ntoo yog txwv los ntawm cov ntsiab lus hauv qab no:
Cov dej tsis zoo so solubility
Honokiol muaj cov solubility ntawm tsawg dua 1 mg / ml / mL hauv dej grascient hauv lub plab zom mov tom qab qhov sib haum xeeb, ua rau muaj kev nqus tau tsawg dua. Txawm hais tias nws tuaj yeem yaj nyob hauv cov kuab tshuaj organic xws li DMOPS thiab ethanol, cov kuab tshuaj no tsis tuaj yeem ruaj khov nyob rau hauv lub cev ib puag ncig, txuas ntxiv lim cov yeeb tshuaj tso tawm.
Cov nyhuv ua ntej dhau los
Tom qab kev tswj hwm tom qab, Honokiol nkag mus rau hauv daim siab los ntawm cov kev sib tw ntawm cov pa hluav taws xob (xws li CYN450, uas tau txo qis kev sib tw ntawm cov niam txiv kev ncig ua si. Cov kev tshawb fawb tau pom tias qhov ncauj ntawm cov yeeb yaj kiab yog tsawg dua 10%, uas dhau los ua qhov kev pab cuam tseem ceeb hauv cov chaw khomem.
Luv ib nrab-lub neej
Ib nrab-lub neej ntawm honokiol hauv lub cev yog qhov luv luv (feem ntau <2 teev), xav kom nquag saib xyuas kom muaj kev ua tau zoo. Txawm li cas los xij, cov thawj coj nquag yuav siv kev siv tshuaj yeeb tshuaj, ua kom muaj kev pheej hmoo ntawm cov tshuaj tiv thaiv thiab tshuaj lom.
Kev nqus tau lub tshuab ua: passive diffusion thiab syergistic nyhuv ntawm cov cab kuj thauj khoom
Cov txheej txheem nqus tau ntawm honokiol cuam tshuam nrog ntau mais, thiab nws txoj kev ua tau zoo los ntawm cov khoom siv molecular thiab cov qauv tsim khoom:
Passive diffusion: sib npaug ntawm solubility thiab liposolubility
Raws li PHAP-faib tshuaj hypothesis, tsis muaj tshuaj molecules yog feem ntau yuav nkag lub cell membrane. Honokiol muaj tus nqi PKA kwv yees li ntawm 9.5, thiab nws yog feem ntau tshwm sim hauv cov plab tsis muaj qhov ntau ntawm cov roj ntsha (1.2-7.4). Qhov no yog theoretically minducive rau passive diffusion.
Txawm li cas los xij, nws tsis tshua muaj nyiaj solubility (tshwj xeeb tshaj yog nyob rau hauv acidic ib puag ncig) kom txwv tsawg tus lej ntawm cov molecules rau transmembrane thauj. Piv txwv li, hauv cov pa roj plab (PH 1.2), cov kua txiv ntawm honokiol yog tsawg dua 0.1 mg / mg / mg, ua rau yuav luag negonomible nqus tau nyob rau hauv lub plab.
Cov tsev nqa khoom-ua rau cov kev thauj khoom: muaj peev xwm tab sis tsis tau txheeb xyuas
Qee qhov kev tshawb fawb qhia tias Honokiol tuaj yeem nkag mus thauj cov roj ntsha (xws li glut1) lossis cov kev koom tes ntawm cov txheej txheem ntawm cov txheej txheem los ntawm cov txheej txheem sib nqus no kom tsis tau muaj tseeb.
Yuav tsum muaj pov thawj ntxiv nyob rau hauv cov ntaub so ntswg tshwj xeeb ntawm cov sprier hais lus (xws li nyob rau hauv cov plab hnyuv hnyuv laus epithelial cells) thiab nws txoj kev vam khom rau kev siv tshuaj me.
Txhim Kho Bioavailability los ntawm Nanocarrique
Nanodelivery cov tshuab ua kom yooj yim txhim kho kev nqus tau ntawm honokiol los ntawm cov txheej txheem hauv qab no:
Solubility ua tau:Nanoliquids, Liposomes, lossis Dendrimeric Macromolecules tuaj yeem nce nws solubility los ntawm 10-100 lub sij hawm, ua cov tshuaj daws teeb meem lossis kev ua kom muaj kev daws teeb meem.
Cell Chattake Optimization:Nanoparticles (<200 nm) can enter cells through endocytosis, avoiding the dependence of passive diffusion on concentration gradients. For example, the cell uptake rate of Lip-HNK, a liposome form of Honokiol, is 3-5 times higher than that of free Honokiol.
Thawj-pass cov nyhuv zam:Nanocarrior tuaj yeem tiv thaiv honokiol los ntawm kev ua raws li lub siab metabolic lossis nqus nws mus rau hauv cov kab ncig ntawm cov lymphatic. Kev tshawb fawb qhia tau tias cov xyoob ntawm di ncauj-hnk yog 40%--siab dua li ntawm kev npaj ib txwm.
Lub hom phiaj xa khoom:Kev ua haujlwm Nanocarriorized Nanocarrior (xws li folic acid multification) tuaj yeem ua tiav cov kev txhawb nqa cov nqaij qog ntshav, ntxiv rau hauv cov tshuaj hauv zos.
Cov tswv yim tseem ceeb rau kev txhim kho Bioavailability
Nanoparticle technology
Liposomes: encapsulating honokiol nyob rau hauv phospholipid Bilayer cov ntaub ntawv ruaj khov. Piv txwv li, daim di ncauj-hnk qhia cov tub ntxhais kawm tseem ceeb hauv plab me thiab tsis muaj qhov cuam tshuam tseem ceeb rau daim siab thiab lub raum ua haujlwm.
Khoom Lipid nanoparticles (sln): tswj kev tso yeeb tshuaj tso tawm los ntawm cov khoom siv Lipid matrix ntev ntev lub sijhawm ua haujlwm. Kev tso tawm ntawm SLN-HKK hauv kev simulated cov kua plab hnyuv me me tuaj yeem ncav cuag ntau dua 80%, uas yog 3 lub sijhawm siab dua li cov pub dawb honokiol.
Calcium Carbonate Tshuaj Kho Mob: Siv calcium carbonate raws li cov cab kuj ua cov tshuaj thiab encapsulating cov tshuaj nrog cov tshuaj tua kab mob rau cov hnyuv. Cov tshuaj thauj khoom muaj peev xwm ncav cuag 36 mg / g, thiab lub sijhawm tso tawm tau txuas ntxiv mus rau 48 teev.
Cov qauv hloov kho thiab kev txhim kho derivative
Hydroxylation lossis Esterification hloov ntawm Honokiol tuaj yeem txhim kho nws cov solubility thiab metabolic ruaj khov. Piv txwv li, tus nqi faib khoom ntawm Derivative HK-13 hauv cov nqaij ntsws muaj ntau dua li cov protein khi, thiab cov lus qhia txog kev sib raug zoo, xav kom nws muaj txiaj ntsig zoo los ntawm kev khi tsis zoo.
Kev tswj hwm tshuaj txoj kev ua kom zoo
Kev txhaj tshuaj ntawm kev txuag: Txav kev nqus cov teeb meem thiab kev nkag ncaj qha ntawm cov hlab ntsha, tab sis cov tshuaj ruaj khov ntawm cov ntshav yuav tsum tau hais txog.
Kev Tswj Xyuas Kev Tawm Tsam Kev Koom Tes: Kev Kawm Txog Kev Sib Koom Tes Zoo los ntawm cov microneedles lossis lipid-coated, tab sis cov kev thaiv ntawm daim tawv nqaij stratum caj pas yuav tsum kov yeej.
Cim npe nrov: honokiol hmoov, lwm tus neeg, chaw tsim khoom, Hoobkas, lag luam wholesale, yuav, nqe, loj, loj, rau muag