Khoom Taw qhia
| Agar Basic cov ntaub ntawv |
| Nqe lus piav txog Cov Khoom Siv Tshuaj Tswj Xyuas Cov Cai |
| Khoom npe: | Agar |
| Synonyms: | VEGITONE MACCONKEY AGAR NO 1; MACCONKEY AGAR; MACCONKEY AGAR CS; MACCONKEY AGAR NO 1; MACCONKEY AGAR NO 1; VEGITONE; MACCONKEY BROMOCRESOL PURPLE BROTH; MACCONKEY AGAR NO 1; MACCONKEY AGAR NO 1 |
| CAS: | 9002-18-0 |
| MF: | C14H24O9 |
| MW: | 336.33496 |
| EINECS: | 232-658-1 |
| Khoom Categories: | AgarsMicrobiology; Txhua Yam Khoom Siv Media / Agars Kev Tshawb Fawb Qhov Tseem Ceeb; Carbohydrates Kev Tshawb Fawb Qhov Tseem Ceeb; A - MMicrobiology; Cov Khoom Siv Hauv paus; Core Bioreagents; Media; Media los ntawm A; Microbial Media; gel; TGF-beta; Flavor; 9002-18-0 |
| Mol File: | 9002-18-0.mol |
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| Agar Chemical Properties |
| Melting point | 85-95 degree |
| FEMA | 2012|AGAR (GELIDIUM SPP.) |
| cia temp. | chav kub |
| solubility | H2O: 1.5% nrog cua sov |
| daim ntawv | shredded |
| xim | Brownish daj |
| tsw | Tsis hnov tsw |
| PH Range | 5 - 7 |
| PH | 6.5-6.8 (1.5% hauv gel, tom qab autoclaving) |
| Hom tshuaj tsw qab | ruam |
| Dej Solubility | Soluble hauv dej kub |
| rhiab heev | Moisture Sensitive & Hygroscopic |
| Merck | 14,184 |
| Kev ruaj ntseg: | ruaj khov. Incompatible nrog muaj zog oxidizing neeg sawv cev. |
| CAS DataBase Reference | 9002-18-0(CAS DataBase Reference) |
| EPA Tshuaj Registry System | Agar (9002-18-0) |
| Cov ntaub ntawv kev nyab xeeb |
| Hazard Codes | Xn |
| Risk Statements | 22-36/37/38 |
| Cov lus hais txog kev nyab xeeb | 26-36-24/25 |
| WGK Germany | 2 |
| RTECS | AW 7950000 |
| F | 3 |
| TSCA | Yog lawm |
| HS Code | 13023100 |
| Cov Ntaub Ntawv Muaj Xwm Ceev | 9002-18-0( Cov ntaub ntawv muaj phom sij) |
| Toxicity | LD50 qhov ncauj hauv Luav: 11000 mg / kg |
| MSDS Cov Ntaub Ntawv |
| Tus kws kho mob | Lus |
|---|---|
| Gelose | Lus Askiv |
| SigmaAldrich | Lus Askiv |
| Kev siv Agar thiab Synthesis |
| Kev piav qhia | Agar yog qhuav, hydrophilic, colloidal polysaccharide complex muab rho tawm los ntawm agarocytes ntawm algae ntawm Rhodophyceae. Cov qauv ntseeg tau tias yog ib qho nyuaj ntawm polysaccharide chains muaj kev sib hloov a-(1!3) thiab b-(1!4) txuas. Muaj peb qhov kawg ntawm cov qauv sau tseg: uas yog nruab nrab agarose; pyruvated agarose muaj me ntsis sulfation; thiab sulfated galactan. Agar tuaj yeem muab cais ua ib feem gelling, agarose, thiab ib feem ntawm sulfated nongelling, agaropectin. Nutrient Agar |
| Chemical Properties | Agar yog tsim los ntawm qee hom liab algae (Rhodophyceae), tshwj xeeb tshaj yog Gelidium thiab Gracilaria. Agar muaj ob polysaccharides - agarose (agaran) thiab agaropectin. Agarose muaj feem ntau ntawm D-galactose thiab 3, 6-anhydro daim ntawv ntawm L-galactose, nrog me me ntawm D-xylose. Qee qhov D-galactose units yog methylated ntawm C-6. Lub polymer muaj alternatingsegments ntawm (1 ~ 3) txuas D-galactose units thiab (1 ~ 4) txuas 3, 6-anhydro-L-galactose. Cov saw tseem ceeb ntawm agaropectin zoo sib xws, tab sis muaj D-glucuronic acid thiab lwm cov suab thaj me me, suav nrog sulfate esters. Agar tsis raug tawm tsam los ntawm cov kab mob thiab nws cov khoom muaj zog gel-forming ua rau nws zoo tagnrho matrix rau microbial kab lis kev cai. |
| Kev tswj hwm xwm txheej | COJ: n/a FDA: 21 CFR 150 thiab. ib., 184.1115, 582.7115; 27 ZPO 24.243 FDA (lwm yam): Pom zoo rau kev siv OTC (21 CFR 310.545); HOC (1992) JECFA: ADI: Tsis txwv (1973) |
| Chemical Properties | Agar tshwm sim ua pob tshab, tsis muaj ntxhiab, tsis muaj qab los yog ua cov hmoov ntxhib lossis hmoov zoo. Nws tuaj yeem tsis muaj xim daj-txiv kab ntxwv, daj-grey mus rau xim daj-daj, lossis tsis muaj xim. Agar yog tawv thaum damp, brittle thaum qhuav. |
| Chemical Properties | Ib tug qhuav hydrophilic, colloidal polygalactoside muab tau los ntawm tag nrho cov nroj tsuag ( rho tawm cov hauv paus hniav) ntawm Gelidium cartilagineum (L.) Gaillon los yog Gracilaria confervoides (L.) Greville. Nws yog kev lag luam muaj nyob rau hauv cov pob khoom uas muaj nyias, membranous agglutinated strips los yog txiav, flaked granulated los yog hmoov daim ntawv. Txawm hais tias agar tau pom nyob rau hauv Nyij Pooj xyoo 1658, nws tau qhia rau Tebchaws Europe thiab Tebchaws Meskas los ntawm Tuam Tshoj nyob rau xyoo pua cuaj, qhov chaw nws tau pib siv los ua gelatin hloov hauv kev ua cov khoom qab zib. Tsis ntev nws tau siv dav los ua cov kab lis kev cai bacteriological nruab nrab tom qab nws siv los ntawm Robert Koch hauv nws qhov kev sim nto moo. Nws txoj kev siv loj hauv kev lag luam khoom noj niaj hnub no yog cov khoom siv bakery, khoom qab zib, khoom noj siv mis thiab cov kaus poom nqaij thiab ntses. Nws kuj tseem siv rau hauv microbiology, kho hniav thiab tshuaj. Gelidium hom amansii thiab cartilageneum yog qhov loj ntawm agar, txawm tias siv ntau hom Rhodophyceae. Cov nroj tsuag (agarophytes) siv nyob rau hauv cov khoom lag luam ntawm agar loj hlob los ntawm cov kab dej ntws tawm mus rau qhov tob ntawm 120 ft, thiab tau sau los ntawm cov neeg taug kev raws ntug dej thaum dej ntws tsawg, raked los ntawm cov nkoj me los yog khaws los ntawm divers. Nyiv yog cov neeg tsim khoom loj tshaj plaws ntawm agar. Vim agar yog soluble nyob rau hauv dej kub tab sis kuj insoluble nyob rau hauv dej txias, nws yog muab rho tawm los ntawm boiling lub agarophyte nyob rau hauv dej, lim, txias los ua ib tug gel, txiav rau hauv pieces thiab khov, ces thawing kom dawb agar los ntawm ntsev thiab lwm yam impurities uas. yog soluble hauv dej txias. Cov agar ntub yog rov ntxuav nrog dej txias thiab thaum kawg qhuav. American thiab Japanese agar tau muab qhab nia raws li kev tshaj tawm. Cov khoom zoo American agar tau muab faib ua qib bacteriological, tshuaj thiab kho hniav, thiab Japanese agar, ua rau peb qib thiab ob qib subgrades. Nws yog odorless los yog nrog ib tug me ntsis yam ntxwv tsw thiab mucilaginous saj. Cov qauv ntawm agar tsis paub meej. Chemically, agar ntseeg tau tias muaj 3, 6-anhydro-L-galactose thiab D-galactopyranose residues nyob rau hauv ntau yam proportions. |
| Qhov tshwm sim | Agar muaj nyob hauv ntau hom liab marine algae hauv dej hiav txwv thoob ntiaj teb. |
| Siv | Agar yog tus neeg sawv cev zoo tshaj plaws rau cov ntawv thov kev tshawb fawb uas xav tau qhov kub thiab txias ze rau tib neeg lub cev kub. Agar yog siv los ua ib qho nruab nrab hauv bacteriology thiab cog biology, impression khoom hauv kev kho hniav, biofertilizer hauv organic ua liaj ua teb, thiab ntsev txuas hniav hauv electrochemistry. Nws tuaj yeem siv los ntsuas qhov kev txav mus los thiab kev txav ntawm cov kab mob vim yog qhov ntxeem tau ntawm gel daim ntawv ntawm agar lossis agarose nruab nrab. |
| Siv | Hloov cov gelatin, isinglass, thiab lwm yam hauv kev ua emulsions nrog rau kev yees duab, gels hauv tshuaj pleev ib ce, thiab ua cov thickening tus neeg sawv cev hauv cov khoom noj tshwj xeeb. confectionaries thiab khoom noj siv mis; nyob rau hauv nqaij canning; nyob rau hauv zus tau tej cov tshuaj encapsulations thiab tshuaj pleev; raws li kev kho hniav impression pwm puag; raws li corrosion inhibitor; sizing rau silks thiab ntawv; nyob rau hauv dyeing thiab printing ntawm fabrics thiab textiles; hauv cov nplaum. Hauv cov khoom noj khoom haus rau cov kab mob kab mob. |
| Siv | Agar yog cov pos hniav tau los ntawm cov seaweed liab ntawm genera gelidium, gracilaria, thiab eucheuma, chav kawm rhodophyceae. Nws yog ib qho sib xyaw ntawm polysaccharides agarose thiab agaropectin. Nws yog insoluble nyob rau hauv dej txias, maj mam soluble nyob rau hauv dej kub, thiab soluble nyob rau hauv boiling dej, ua ib tug gel thaum txias. cov gels yog cov yam ntxwv uas yog tawv thiab nkig, teem ntawm 32–4 0 degree c, thiab melting ntawm 95 degree c. ib qho tawv, tawv gel tuaj yeem tsim ntawm 0.5%. agar feem ntau ua haujlwm hauv gel tsim vim nws qhov ntau ntawm melting thiab qhov kub thiab txias, siv rau hauv cov kav dej, glazes, icings, cov khoom siv kho hniav, thiab microbiological plating. cov qib siv ib txwm yog 0.1–2.0%. |
| Txoj kev tsim khoom | Agar yog tau los ntawm khov-qhuav ib mucilage derived los ntawm Gelidium amansii Lamouroux, lwm hom ntawm tib tsev neeg (Gelidiaceae), los yog lwm yam liab algae (Rhodophyta). |
| Txhais | agar: Ib qho extract ntawm qee hom ntawm cov seaweeds uas yog siv los ua gellingagent hauv microbiological culturemedia, khoom noj khoom haus, tshuaj, thiab tshuaj pleev ib ce thiab jellies. Nutrientagar muaj cov kua txiv hmab txiv ntoo ua los ntawm nqaij nyug los yog cov ntshav uas yog gelledwith agar thiab siv rau kev cog qoob loo ntawm cov kab mob, cov kab mob, thiab qee cov algae. |
| Kev piav qhia dav dav | Tan hmoov. |
| Cua & Dej Reactions | Dej insoluble. |
| Reactivity Profile | Cov nplaim hluav taws kub hnyiab thiab / lossis cov pa phem yog tsim los ntawm kev sib xyaw ntawm cov cawv nrog alkali hlau, nitrides, thiab muaj zog txo cov neeg ua haujlwm. Lawv hnov mob nrog oxoacids thiab carboxylic acids los tsim esters ntxiv rau dej. Oxidizing agents hloov lawv mus rau aldehydes lossis ketones. Lawv pom ob qho tib si tsis muaj zog acid thiab qaug zog hauv paus cwj pwm. |
| Hluav Taws Xob | Cov ntaub ntawv flash point rau Agar tsis muaj. Agar yog tej zaum combustible. |
| Kev Siv Agricultural | Kuj hu ua agar, lo lus agar-agar yog los ntawm Malaysian keeb kwm. Nws hais txog cov seaweeds liab uas yog genus Eucheuma, siv dav hauv Malaysia los ua cov khoom siv gelatinous. Agar yog ib qho mucilage synthesized los ntawm liab algae thiab khaws cia nrog cellulose nyob rau hauv lub cell phab ntsa. Nws yog ib qho qhuav, amorphous thiab gelatine-zoo li extract, tsis muaj cov khoom siv nonnitrogenous los ntawm Gelidium thiab lwm yam agarophytes. Cov extract yog sulfuric acid ester ntawm linear galactan, soluble hauv dej kub tab sis insoluble hauv dej txias. Ib qho 1.5% agar tov tuaj yeem tsim cov gel ruaj khov ntawm ib ncig ntawm 35 degree (nrog rau lub melting point saum 85 degree), cov gel yog sib xyaw ntawm ib feem ntawm methylated neutral polysaccharide (agarose) thiab sulfuric acid ester (agaropectin) ntawm linear galactan. Cov gel yog tsim nyob rau hauv lub zog siab los yog boiling, thiab nws cov ntsiab lus agar nyob ntawm seb hom algal, lub caij thiab txoj kev rho tawm. Agar yog tsim los ntawm ntau yam algae lossis seaweeds hu ua agarophytes, thaum lub sij hawm agaroidophyte qhia txog cov seaweeds liab uas tawm los ntawm cov tshuaj lom neeg zoo li agar-zoo li cov khoom, tab sis muaj qhov sib txawv viscosity thiab gelling zog. Cov agarophytes tseem ceeb siv rau kev rho tawm ntawm agar yog Acanthopeltis japonica, Ahnfeltia plicata thiab hom nyob rau hauv genera Gelidium, Gracilaria thiab Rerocladia. Lwm cov algae liab yog Comphylaephora, Eucheuma, Hypnea, Gigartina thiab Furcellaria. Ntau lub teb chaws siv cov algae liab sib txawv los ua agar. Piv txwv li, Suhria, Gelidium, Pterocladia, thiab Ahnfeltia yog siv nyob rau hauv South Africa, US, New Zealand thiab Russia feem. Feem ntau, cov alga yog lub npe ntawm lub tebchaws uas nws siv. Piv txwv li, Ceylon agar (los yog Ceylon moss) yog hais txog cov seaweed liab liab Gracilaria lichenoides pom nyob rau hauv Sri Lanka, thaum tib lub alga pom nyob rau hauv Indian ntug dej hiav txwv ciam teb rau Indian dej hiav txwv yog hu ua Bengal isinglass. Gracilaria verrucosa nyob rau hauv Suav teb yog hu ua Suav moss, whereas nyob rau hauv Nyiv, agar-agar ua los ntawm Gelidium sp. yog hu ua Kanten, uas txhais tau tias lub ntuj txias, vim hais tias nws tau ua nyob rau hauv lub caij ntuj no txias hnub los yog siab nyob rau hauv lub roob. Agar yog siv rau ntau lub hom phiaj - raws li ib tug solidifying tus neeg sawv cev nyob rau hauv lub kab lis kev cai nruab nrab siv rau multiplication ntawm cov kab mob uas muaj txiaj ntsig zoo li Azotobacter thiab Azospirillum thaum lub sij hawm biofertilizer, rau kev loj hlob algal, rau canning tuna ntses (hauv Nyiv), nyob rau hauv qhov loj ntawm fabrics, thiab lwm yam. Ntau qib ntawm agar yog siv los ua txheej txheej rau cov ntawv tsis muaj dej thiab cov ntaub, ua cov kua nplaum, ua cov khoom siv tu dej, ua cov roj nplua nyeem, hauv cov duab kub kub ntawm tungsten hlau rau hluav taws xob teeb (rau qhov kev ncua ntawm cov hmoov graphite hauv agar gel. yog siv), los ua cov duab thaij duab thiab cov yeeb yaj kiab, rau kev nthuav tawm gloss thiab tawv tawv, thiab ua cov nplaum hauv kev tsim cov plywood. Agar yog txawm siv nyob rau hauv cov khoom noj khoom haus, rau thickening soups, sauces, ice creams, malted milks, jellies, candies thiab pastries. Vim nws qhov kub thiab txias, agar yog fovored hauv cov khoom noj. Nws hloov pectin rau kev ua jellies, jams, marmalades, thiab lwm yam thiab ua hauj lwm pab raws li ib tug meej tus neeg sawv cev nyob rau hauv kev tsim cov cawv, npias thiab kas fes. |
| Kev siv tshuaj | Agar yog dav siv nyob rau hauv daim ntawv thov zaub mov raws li ib tug stabilizing neeg sawv cev. Hauv kev siv tshuaj, agar yog siv hauv ib txhais tes ntawm cov ntsiav tshuaj ntawm qhov ncauj thiab cov tshuaj pleev ib ce. Nws kuj tau raug soj ntsuam nyob rau hauv ib tug xov tooj ntawm kev sim tshuaj daim ntawv thov xws li raws li ib tug sustained-tso neeg sawv cev nyob rau hauv gels, hlaws dai, microspheres, thiab ntsiav tshuaj. Agar tau siv nyob rau hauv cov ntsiav tshuaj uas tswj-tso ntab ntab; Lub buoyancy nyob rau hauv ib feem raug ntaus nqi rau huab cua nkag rau hauv lub agar gel network.Nws yuav siv tau raws li ib tug viscosity-nce tus neeg sawv cev nyob rau hauv aqueous systems. Agar kuj tseem siv tau los ua lub hauv paus rau nonmelting, thiab nondisintegrating suppositories.Agar muaj ib daim ntawv thov raws li tus neeg sawv cev ncua nyob rau hauv cov tshuaj ncua kev kawm ntawv. |
| Biochem/physiol Actions | Bacteriological agar feem ntau yog siv los ua kab lis kev cai nruab nrab rau cov kab mob. Nws muaj txiaj ntsig zoo rau cov txheej txheem fermentation. Agar-agar ua hauj lwm raws li ib tug preservative hauv kev ua zaub mov. Nws kuj muaj ntau yam kev siv xws li emulsifier, cab kuj, lubricant, stabilizer, laxative disintegrant hauv kev lag luam tshuaj thiab tshuaj pleev ib ce. Agar-agar kuj tseem siv rau hauv kev yees duab emulsion. |
| Kev ruaj ntseg Profile | Mob me me los ntawm kev noj. Thaum rhuab mus rau decomposition nws emits pa taws thiab pa taws. |
| Kev nyab xeeb | Agar yog dav siv nyob rau hauv daim ntawv thov zaub mov thiab tau siv nyob rau hauv qhov ncauj thiab tshuaj pleev ib ce daim ntaub ntawv. Nws yog feem ntau suav hais tias yog tsis muaj tshuaj lom thiab tsis muaj tshuaj lom thaum siv los ua ib qho ntxiv. LD50(hamster, qhov ncauj): 6.1 g / kg LD50(nas, qhov ncauj): 16.0 g/kg LD50(Lavbit, qhov ncauj): 5.8 g / kg LD50(rat, qhov ncauj): 11.0 g/kg |
| khaws cia | Agar daws yog qhov ruaj khov tshaj plaws ntawm pH 4-10. Agar yuav tsum tau muab cia rau hauv qhov chaw txias, qhuav, qhuav. Cov thawv ntim ntawm cov khoom siv no yuav muaj kev phom sij thaum khoob vim lawv khaws cov khoom seem (plua plav, khib nyiab). |
| Kev tsis sib haum xeeb | Agar yog incompatible nrog muaj zog oxidizing neeg sawv cev. Agar yog dehydrated thiab precipitated los ntawm kev daws los ntawm ethanol (95%). Tannic acid ua rau nag lossis daus; electrolytes ua rau ib nrab lub cev qhuav dej thiab txo cov viscosity ntawm sols. |
| Kev tswj hwm xwm txheej | GRAS teev. Txais siv los ua zaub mov additive nyob teb chaws Europe. Muaj nyob rau hauv FDA Inactive Ingredients Database (cov ntsiav tshuaj qhov ncauj). Muaj nyob rau hauv Canadian daim ntawv teev cov khoom uas tsis yog tshuaj. Muaj nyob rau hauv cov tshuaj nonparenteral ntawv tso cai nyob rau hauv UK. |
| Agar Preparation Products Thiab Raw Materials |
| Cov khoom nyoos | L-GALACTOSE |
| Cov khoom npaj | L-Alanine-->Calcium gluconate-->Disodium 5'-Inosinate-->Polyinosinic acid-polycytidylic acid-->Inosine-->Dextran-->Abamectin-->POLYOXIN A-->α-Amylase-->POLYOXIN B-->Gongzhulingmeisu-->LACTICACIDBACTERIA-->hericium erinaceus extract-->Streptodornase/streptokinase-->ASPARAGINASE |
Cim npe nrov: agar, Tuam Tshoj agar manufacturers, lwm tus neeg, Hoobkas
Tug: 6-Amino-1- hexanol
Tom ntej: 6-Ethyl-3-oxa-6-azaoctanol
Koj Tseem Yuav Zoo Li
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