L-glutamic acid
L-glutamic acid
| Ọdịdị | Na-acha ọcha na-acha ọcha ntụ ntụ |
| Ntụgharị pụrụ iche[α]20/D | +31.5°~ +32.5° |
| Chloride (CL) | ≤0.02% |
| Sulpbate (SO42-) | ≤0.02% |
| Ígwè (Fe) | ≤10ppm |
| Ihe fọdụrụ na mgbanye | ≤0.1% |
| Ọla dị arọ (Pb) | ≤10ppm |
| Nyocha | 98.5% ~ 101.5% |
| Ọnwụ na ihicha | ≤0.1% |
| onye adịghị ọcha | ≤0.5% |
| ngụkọta adịghị ọcha | ≤2.0% |
Ọdịdị: White na-acha ọcha ntụ ntụ
Ogo ngwaahịa zutere: AJI92, EP8, USP38 ụkpụrụ.
Ọkwa ngwaahịa: na-edobekarị 10,000KG na ngwaahịa.
Ngwa: a na-ejikarị ya eme ihe na mgbakwunye nri, etiti ọgwụ na mpaghara ọdịbendị cell.
Ngwugwu: 25kg / gbọmgbọm / akpa
Nọmba MDL: mfcd00002634
Nọmba RTECS: lz9700000
Nọmba BRN: 1723801
PubChem Nọmba: 24901609
1. agwa: L-glutamate, L-glutamic acid, bụ kristal squamous na-acha ọcha ma ọ bụ enweghị agba, nke dị ntakịrị acidic.Ahụ agbụrụ, DL glutamate, bụ kristal enweghị agba.
2. njupụta (g/ml, 25/4 ℃): ịgba ọsọ: 1.4601;ntụgharị aka nri na ntụgharị aka ekpe: 1.538
3. ikwu njupụta uzuoku (g / ml, ikuku = 1): ekpebibeghị
4. ebe mgbaze (OC): 160
5. isi ihe na-esi ísì (OC, ikuku ikuku): ekpebibeghị
6. esi esi (OC, 5.2kpa): ekpebibeghị
7. refractive index: ekpebibeghị
8. flash point (OC): ekpebibeghị
9. kpọmkwem ntụgharị photometric (o): [α] d22.4+31.4 Celsius (C = 1.6mol/l hydrochloric acid)
10. mgbanye ọkụ ma ọ bụ okpomọkụ ọkụ (OC): ekpebibeghị
11. nrụgide uzuoku (kPa, 25 Celsius C): ekpebibeghị
12. jupụtara uzuoku mgbali (kPa, 60 Celsius C): ekpebibeghị
13. ọkụ ọkụ (kj / mol): ekpebibeghị
14. oké egwu okpomọkụ (OC): ekpebibeghị
15. nrụgide dị egwu (kPa): ekpebibeghị
16. uru nke ọnụọgụ nke nkesa mmanụ na mmiri (octanol / mmiri): ekpebibeghị
17. oke mgbawa elu (%, v/v): ekpebibeghị
18. obere mgbawa ịgbawa (%, v/v): ekpebibeghị
19. solubility: ndị racemic bụ ubé soluble na mmiri oyi, mfe igbari na mmiri ọkụ, fọrọ nke nta insoluble na ether, ethanol na acetone, mgbe racemic ahu bụ ubé soluble na ethanol, ether na petroleum ether.
1. Nnukwu nsi: mmadụ ọnụ tdlo: 71mg / kg;eriri afọ mmadụ tdlo: 117mg / kg;oke ọnụ LD50> 30000 mg / n'arọ;oke bekee ọnụ LD50:> 2300mg / n'arọ
2.Mutagenicity: sister chromatid usoro ule mgbanwe: ụmụ mmadụ lymphocytes: 10mg / L
Ọkwa ize ndụ mmiri 1 (iwu German) (ntụle onwe onye site na ndepụta) ihe a dị ntakịrị ihe ize ndụ nye mmiri.
Ekwela ka ngwaahịa anaghị agbaze ma ọ bụ buru ibu banye na mmiri dị n'ime ala, ụzọ mmiri ma ọ bụ sistemu nsị.
Ewepụla ihe na gburugburu gburugburu na-enweghị ikike gọọmentị.
1. Ndekọ ntugharị molar: 31.83
2. Mgbidi olu (cm3 / mol): 104.3
3. Isotonic kpọmkwem olu (90.2k): 301.0
4. Esemokwu dị n'elu (dyne / cm): 69.2
5. Polarizability (10-24cm3): 12.62
1. Ngwaahịa a adịghị egbu egbu.
2. Odorless, ubé pụrụ iche uto na utoojoo uto.
3.Ọ dị na ụtaba na anwụrụ ọkụ.
1. A ghaghị mechie ngwaahịa a ma chekwaa ya na ebe dị jụụ na ọchịchịrị.
2. A na-ejupụta na akpa rọba, kpuchie na akpa naịlọn ma ọ bụ akpa akpa rọba, net arọ 25kg.N'ime usoro nchekwa na njem njem, a ga-akwụ ụgwọ nlebara anya na mmiri na-ekpuchi mmiri, nchebe anyanwụ na nchekwa dị ala.
1. A na-ejikarị L-glutamic acid na-emepụta monosodium glutamate, senti, ihe mgbakwunye nnu, mgbakwunye nri na reagent biochemical.Enwere ike iji L-glutamic acid n'onwe ya dị ka ọgwụ iji sonye na metabolism nke protein na shuga na ụbụrụ ma kwalite usoro oxidation.Ngwaahịa a na-ejikọta na amonia iji mepụta glutamine na-adịghị egbu egbu n'ime ahụ iji belata amonia ọbara ma belata mgbaàmà nke coma imeju.A na-ejikarị ya na ọgwụgwọ nke ịba ọcha n'anya coma na oke ịba ọcha n'anya, ma mmetụta ọgwụgwọ adịghị enwe afọ ojuju;jikọtara ya na ọgwụ mgbochi epileptic, ọ nwekwara ike ịgwọ obere ọdịdọ na ọdịdọ psychomotor.A na-eji Racemic glutamic acid na-emepụta ọgwụ na biochemical reagents.
2. A naghị ejikarị ya eme ihe naanị, ma jikọtara ya na phenolic na quinone antioxidants iji nweta mmetụta synergistic dị mma.
3. A na-eji Glutamic acid mee ihe dị ka ihe mgbagwoju anya maka ịkwanye electroless.
4. A na-eji ya na ụlọ ahịa ọgwụ, ihe mgbakwunye nri na ihe oriri na-edozi ahụ;
5. Ejiri ya na nyocha biochemical, nke a na-eji ọgwụ eme ihe na coma imeju, na-egbochi Akwụsị, na-ebelata ketonuria na ketinemia;
6. Ndochi nnu, mgbakwunye nri na ihe na-esi ísì ụtọ (nke a na-ejikarị anụ, ofe na anụ ọkụkọ).Enwere ike iji ya gbochie crystallization nke magnesium ammonium phosphate na mkpọ shrimps, crabs na ngwaahịa mmiri ndị ọzọ na onunu ogwu nke 0.3% ~ 1.6%.Enwere ike iji ya dị ka ihe na-esi ísì ụtọ dịka GB 2760-96;
A na-eji sodium glutamate, otu n'ime nnu sodium ya eme ihe dị ka isi nri, ngwa ahịa ya gụnyere monosodium glutamate na monosodium glutamate.
Were 150mg sample, tinye 4ml mmiri na LML sodium hydroxide ngwọta ngwọta (ts-224), igbari, tinye LML ninhydrin test solution (TS-250) na 100mg sodium acetate, na okpomọkụ na esi mmiri saa maka 10min na-emepụta violet agba.
Were 1g sample, tinye 9ml mmiri iji kwadebe nkwusioru, jiri nwayọọ nwayọọ kpoo ya na uzuoku ịsa ahụ ma kpalie ruo mgbe agbazere kpamkpam, tinye 6.8ml lmol/l hydrochloric acid solution iji kwụsịtụ, tinyekwa 6.8ml lmol/l sodium hydroxide solution ka ọ gbazee. glutamate kpamkpam mgbe edemede.
Usoro 1: tụọ 0.2g sample n'ụzọ ziri ezi, igbari na 3ml formic acid, tinye 50ml glacial acetic acid na 2 tụlee nke crystal violet ngwọta ngwọta (ts-74), titrate na 0.1mol / l perchloric acid ngwọta ruo mgbe akwụkwọ ndụ akwụkwọ ndụ ma ọ bụ acha anụnụ anụnụ agba na-apụ n'anya. .A na-ejikwa otu usoro ahụ maka ule efu.Otu ml nke 0.1mol/l perchloric acid ngwọta bụ 14.71mg nke L-glutamic acid (C5H9NO4).
Usoro 2: tụọ 500mg sample n'ụzọ ziri ezi, igbari ya na 250mi mmiri, tinye ọtụtụ tụlee nke bromothymol blue test solution (ts-56), na titrate na 0.1mol/l sodium hydroxide ngwọta na-acha anụnụ anụnụ na njedebe njedebe.Nke ọ bụla ml nke 0.lmol/l NaOH ngwọta bụ otu 14.7mg nke L-glutamic acid (c5h9n04).
FAO / onye (1984): efere na ofe maka nri dị mma, 10g / n'arọ.
FEMA (mg / n'arọ): ihe ọṅụṅụ, ngwaahịa esi nri, anụ, soseji, efere, mmiri ara ehi na mmiri ara ehi, sizinin, cereal ngwaahịa, niile 400mg / kg.
FDA, 172.320 (2000): dị ka ihe mgbakwunye nri, oke bụ 12.4% (dabere na ịdị arọ nke protein zuru ezu na nri).
Akara ngwa ahịa dị ize ndụ: F ọkụ
Akara nchekwa: s24/25
njirimara ihe egwu: r36/37/38 [1]
Akara ihe dị egwu Xi
Koodu mpaghara ihe egwu 36/37/38
Ntuziaka nchekwa 24/25-36-26
Wgk Germany 2rtec lz9700000
F 10
Koodu mpaghara:: 29224200
Ịdị ọcha:> 99.0% (T)
Ọkwa: gr
Nọmba MDL: mfcd00002634
