L-Glutamic Acid
L-Glutamic Acid
| Fa'aaliga | Pa'epa'e i le pa'epa'e pa'epa'e |
| Ta'amilosaga Fa'apitoa[α]20/D | +31.5°~ +32.5° |
| Kloride(CL) | ≤0.02% |
| Sulpbate (SO42-） | ≤0.02% |
| Uamea (Fe) | ≤10ppm |
| Toega ile mu | ≤0.1% |
| Uamea mamafa (Pb) | ≤10ppm |
| Su'ega | 98.5%~101.5% |
| Ma'imau ile fa'amago | ≤0.1% |
| le mama o le tagata lava ia | ≤0.5% |
| le mama atoatoa | ≤2.0% |
Fa'aaliga: Pa'epa'e i le pa'epa'e pa'epa'e
Oloa Tulaga ausia: AJI92, EP8, USP38 tulaga faatonuina.
Tulaga fa'asoa: E masani ona fa'atumauina le 10,000KGs ile fa'atauga.
Talosaga: e faʻaaogaina lautele i meaʻai faʻaopoopo, vailaʻau vaʻaia, ma le fanua tuʻufaʻatasiga.
afifi: 25kg / paelo/ ato
MDL Numera: mfcd00002634
RTECS Numera: lz9700000
BRN Numera: 1723801
Numera PubChem: 24901609
1. uiga: L-glutamate, o le L-glutamic acid, o se tioata squamous paʻepaʻe poʻo le lanu, e fai si acidic.O le tino racemic, DL glutamate, e leai se lanu tioata.
2. mamafa (g / ml, 25/4 ℃): racemization: 1.4601;taamilosaga taumatau ma le taamilosaga agavale: 1.538
3. va'aiga ausa tele (g/ml, ea =1): e le'i fuafuaina
4. mea fa'afefeteina (OC): 160
5. mea fa'apuna (OC, mamafa o le ea): e le'i fuafuaina
6. mea fa'apuna (OC, 5.2kpa): e le'i fuafuaina
7. faasino fa'asino: e le'i fuafuaina
8. mea moli (OC): e le'i fuafuaina
9. fa'ata'amilosaga ma'oti photometric (o): [α] d22.4+31.4 ° (C = 1.6mol/l su'esu'e suka)
10. mea fa'amumu po'o le vevela fa'amumu (OC): e le'i fuafuaina
11. mamafa ausa (kPa, 25 ° C): e leʻi fuafuaina
12. mamafa o le ausa (kPa, 60 ° C): e leʻi fuafuaina
13. vevela afi (kj/mol): e le'i fuafuaina
14. vevela vevela (OC): e le o fuafuaina
15. mamafa mamafa (kPa): e le'i fuafuaina
16. le tau o le coefficient o le tufatufaina o suauu ma vai (octanol / vai): e le o fuafuaina
17. pito i luga o le pa (%, v/v): e le'i fuafuaina
18. pito i lalo o le pa (%, v/v): e le'i fuafuaina
19. solubility: o le racemic e soluble teisi i le vai malulu, faigofie ona solo i le vai vevela, toetoe lava a le mafai ona soluble i eter, ethanol ma acetone, ae o le tino racemic e soluble teisi i ethanol, eter ma suauʻu eter.
1. O'ona mata'utia: tdlo tu'u tagata: 71mg/kg;tdlo tui ole tagata: 117mg/kg;isumu tuugutu LD50 > 30000 mg / kilokalama;lapiti tuugutu LD50: > 2300mg/kg
2.Mutagenicity: faiga su'ega su'ega chromatid tuafafine: lymphocytes tagata: 10mg / L
Tulaga lamatia o le vai 1 (Tulafono a Siamani) (su'esu'eina e le tagata lava ia e ala i le lisi) o lenei mea e lamatia teisi i le vai.
Aua ne'i fa'atagaina ni oloa e le'i fa'afefeteina pe tele fo'i e fa'afeso'ota'i ma vai o le eleele, alavai po'o alavai.
Aua le lafoa'i mea i totonu o le si'osi'omaga e aunoa ma se faatagaga a le malo.
1. Fa'ailoga fa'ata'i molar: 31.83
2. Volume molar (cm3 / mol): 104.3
3. Isotonic volume faapitoa (90.2k): 301.0
4. Fa'asalaina i luga (dyne / cm): 69.2
5. Polorizability (10-24cm3): 12.62
1. O lenei oloa e le oona.
2. E leai se manogi, e fai sina tofo faapitoa ma le tofo oona.
3. E i ai i le tapaa ma le asu.
1. O lenei oloa e tatau ona faʻamaufaʻailogaina ma teu i se nofoaga malulu ma pogisa.
2. Fa'aputu i taga palasitika, ufiufi i taga nylon po'o taga lalaga palasitika, mamafa mama 25kg.I le faagasologa o le teuina ma le felauaiga, e tatau ona gauai atu i le susu-faʻamaonia, puipuiga o le la ma le teuina o le vevela maualalo.
1. L-glutamic acid e masani ona faʻaaogaina i le gaosiga o le monosodium glutamate, mea manogi, masima masima, meaʻai faʻaopoopo ma biochemical reagent.L-glutamic acid lava ia e mafai ona faʻaaogaina e fai ma vailaʻau e auai i le metabolism o le porotini ma le suka i totonu o le faiʻai ma faʻalauteleina le faʻamaʻiina.O le oloa e tuʻufaʻatasia ma le amonia e faʻapipiʻi le glutamine e le oona i totonu o le tino e faʻaitiitia ai le ammonia toto ma faʻaitiitia ai faʻamaoniga o le koma hepatic.E masani ona faʻaaogaina i le togafitiga o le coma hepatic ma le le atoatoa o le ate, ae o le togafitiga e leʻo matua faamalieina;faʻatasi ma vailaʻau faʻamaʻi, e mafai foʻi ona togafitia faʻalavelave laiti ma faoa psychomotor.Racemic glutamic acid e faʻaaogaina i le gaosiga o vailaʻau ma vailaʻau faʻaola.
2. E masani lava e le faʻaaogaina naʻo ia, ae tuʻufaʻatasia ma phenolic ma quinone antioxidants e maua ai le lelei synergistic aafiaga.
3. Glutamic acid e faʻaaogaina e fai ma sui faʻalavelave mo le faʻaogaina o le eletise.
4. E faʻaaogaina i fale talavai, meaʻai faʻaopoopo ma meaʻai faʻamalosi;
5. Faʻaaogaina i suʻesuʻega biochemical, faʻaaogaina faʻafomaʻi ile koma ate, puipuia epilepsy, faʻaitiitia le ketonuria ma le ketinemia;
6. Su'i masima, mea'ai fa'aopoopo ma mea e fa'amalieina ai mea'ai (fa'aaogā mo aano o manufasi, supo ma moa).E mafai foi ona faʻaaogaina e puipuia ai le faʻamaʻi o le magnesium ammonium phosphate i apa ula, paʻu ma isi mea vai i le fua o le 0.3% ~ 1.6%.E mafai ona faʻaaogaina e pei o le manogi e tusa ai ma le GB 2760-96;
O le sodium glutamate, o se tasi o ana masima sodium, e faʻaaogaina e fai ma faʻamaʻi, ma o ana oloa e aofia ai le monosodium glutamate ma le monosodium glutamate.
Ave le faʻataʻitaʻiga 150mg, faʻaopopo le vai 4ml ma le LML sodium hydroxide suʻega vaifofo (ts-224), faʻamavae, faʻaopopo le LML ninhydrin suʻega vaifofo (TS-250) ma le 100mg sodium acetate, ma vevela ile vai taele mo le 10min e maua ai le lanu viole.
Ave le 1g faʻataʻitaʻiga, faʻaopopo le 9ml vai e sauni ai le faʻamalolo, faʻamafanafana malie i totonu o le taʻele ausa ma faʻaoso seia maeʻa atoa, faʻaopopo le 6.8ml lmol / l hydrochloric acid solution e toe taofi, ma faʻaopopo le 6.8ml lmol / l sodium hydroxide solution e faʻamavae. glutamate atoa pe a uma ona faʻafefe.
Metotia 1: fua 0.2g faʻataʻitaʻiga saʻo, faʻamavae i le 3ml formic acid, faʻaopopo le 50ml glacial acetic acid ma 2 mataua o le vaifofo suʻega tioata tioata (ts-74), titrate i le 0.1mol / l perchloric acid solution seia mou atu le lanu meamata poʻo le lanumoana. .O le auala lava e tasi na faʻaaogaina mo suʻega avanoa.O ml ta'itasi ole 0.1mol/l perchloric acid solution e tutusa ma le 14.71mg ole L-glutamic acid (C5H9NO4).
Metotia 2: fua sa'o le 500mg fa'ata'ita'iga, fa'amuta i le vai 250mi, fa'aopoopo ni matau'a ole su'ega bromothymol blue solution (ts-56), ma fa'asusu ile 0.1mol/l sodium hydroxide solution ile pito lanumoana.O ml ta'itasi ole 0.lmol/l NaOH solution e tutusa ma le 14.7mg ole L-glutamic acid (c5h9n04).
FAO / who (1984): sua ma sou mo meaʻai faigofie, 10g / kg.
FEMA (mg / kg): meainu, mea tao tao, aano o manufasi, sosisi, susu, susu ma meaʻai susu, faʻamaʻi, meaʻai cereal, 400mg / kg uma.
FDA, 172.320 (2000): i le avea o se faʻaopoopoga meaʻai, o le tapulaa e 12.4% (faʻavae i luga o le mamafa o le aofaʻi o porotini i meaʻai).
Faailoga o oloa mata'utia: F e mu
Faailoga saogalemu: s24/25
Fa'ailoaina o lamatiaga: r36/37/38 [1]
Faailoga mea matautia Xi
Fa'ailoga tulaga lamatia 36/37/38
Fa'atonuga mo le saogalemu 24/25-36-26
Wgk Siamani 2rtec lz9700000
F 10
Fa'ailoga Tiute 29224200
Mama: >99.0% (T)
Vasega: gr
MDL Numera: mfcd00002634
