Glycine(A takaice Gly), wanda kuma aka sani da acetic acid, amino acid ne maras mahimmanci, tsarin sinadarai shine C2H5NO2. Glycine shine amino acid na endogenous antioxidant rage glutathione, wanda sau da yawa ana ƙara shi ta hanyar maɓuɓɓugar ruwa lokacin da jiki ke cikin matsanancin damuwa. , kuma a wasu lokuta ana kiransa amino acid mai mahimmanci. Glycine yana ɗaya daga cikin mafi sauƙi amino acid.
Farin monoclinic ko crystal mai hexagonal, ko farar crystalline foda.Marasa wari, tare da dandano na musamman.Sauƙi mai narkewa cikin ruwa, narkewa cikin ruwa: 25g/100ml a 25 ℃;A 50 ℃, 39.1g/10Chemicalbook0ml;54.4g/100ml a 75 ℃;A 100 ℃, shi ne 67.2g/100ml.Mafi ƙarancin narkewa a cikin ethanol, kusan 0.06g an narkar da shi a cikin 100g anhydrous ethanol.Kusan rashin narkewa a cikin acetone da ether.
Hanyar samarwa:
Hanyar Strecker da chloro-acetic acid ammonification sune manyan hanyoyin shirye-shirye.
Hanyar strecker:formaldehyde, sodium cyanide, ammonium chloride dauki tare, sa'an nan kuma ƙara glacial acetic acid, hazo na methylene aminoacetonitrile;Amino acetonitrile sulfate an samu ta hanyar ƙara methylene acetonitrile zuwa ethanol a gaban sulfuric acid.Sulfate yana lalacewa ta hanyar barium hydroxide don samun gishiri barium glycine;Sa'an nan kuma a ƙara sulfuric acid don ya zubar da barium, tace shi, mayar da hankali ga tacewa, kuma bayan sanyaya shi yana zubar da lu'ulu'u na glycine.Gwaji [NaCN] -> [NH4Cl] CH2 = N - CH2CNCH2 = N - CH2CN [- H2SO4] -> [C2H5OH] H2NCH2CN, H1SO4H2NCH2CN, - H2SO4 [BChemicalbooka (OH) 2] - (NH2CH2CH2CON) 2 ba [- H2SO4] -> H2NCH2COOH
Hanyar ammonium chloro-acetic acid:Ruwan ammonia da ammonium bicarbonate gauraye dumama zuwa 55 ℃, ƙara chloro-acetic acid ruwa bayani, dauki ga 2h, sa'an nan dumama zuwa 80 ℃ don cire saura ammonia, decolorization tare da kunna carbon, tacewa.An ƙara maganin lalata launi tare da 95% ethanol don sa glycine crystallize fita, tacewa, wanke da ethanol kuma ya bushe don samun samfurin danyen.Narke a cikin ruwan zafi kuma sake sake sakewa tare da ethanol don samun glycine.H2NCH2COOH ClCH2COOH [NH4HCO3] -> [NH4OH]
Bugu da ƙari, glycine kuma ana fitar da shi daga siliki hydrolyzate da hydrolyzed tare da gelatin a matsayin albarkatun kasa.
Aikace-aikace:
Filin abinci
1, amfani da biochemical reagents, kuma za a iya amfani da a magani, abinci da kuma abinci Additives, nitrogen taki masana'antu amfani da ba mai guba decarbonizing wakili;
2, ana amfani dashi azaman kari na sinadirai, galibi ana amfani dashi don kayan yaji da sauran fannoni;
3, yana da wani tasiri mai hanawa akan haifuwa na subtilis da Escherichia coli, don haka ana iya amfani dashi azaman mai kiyayewa don samfuran surimi, man gyada, da dai sauransu, ƙara 1% ~ 2%;
4, yana da tasirin antioxidant (ta amfani da haɗin gwiwar chelate na ƙarfe), ƙara zuwa cream, cuku, margarine na iya tsawaita rayuwar ajiya na 3 ~ 4 sau;
5. Don daidaita man alade a cikin kayan da aka gasa, ana iya ƙara glucose 2.5% da glycine 0.5%;
6. Ƙara 0.1% ~ 0.5% zuwa garin alkama don saurin dafa noodles, wanda zai iya taka rawar kayan yaji a lokaci guda;
7, dandano na gishiri da vinegar na iya taka rawa mai mahimmanci, adadin kayan gishiri da aka kara 0.3% ~ 0.7%, kayan acid 0.05% ~ 0.5%;
8, bisa ga ka'idodin GB2760-96 za a iya amfani dashi azaman kayan yaji.
Filin noma
1. An fi amfani dashi azaman ƙari kuma mai jan hankali don haɓaka amino acid a cikin abinci don kiwon kaji, dabbobi, musamman dabbobi.An yi amfani da shi azaman ƙari na furotin hydrolyzed, azaman wakili na haɗin gwiwa na furotin hydrolyzed;
2, a cikin samar da magungunan kashe qwari da aka yi amfani da su a cikin kira na pyrethroid kwari tsaka-tsakin glycine ethyl ester hydrochloride, kuma za a iya hada fungicide isobiurea da herbicide m glyphosate.
Filin masana'antu
1, amfani da matsayin plating bayani ƙari;
2, ana amfani dashi a cikin masana'antar harhada magunguna, gwaje-gwajen biochemical da haɗin gwiwar kwayoyin halitta;
3, wanda aka yi amfani da shi azaman albarkatun kasa na cephalosporin, matsakaicin sulfoxamycin, tsaka-tsaki na imidazolacetic acid, da sauransu;
4, ana amfani dashi azaman kayan kayan kwalliya.
Kunshin samfur: 25kg/bag
Ma'aji ya kamata ya kasance a sanyi, bushe da iska.
Lokacin aikawa: Mayu-04-2023