中文名 | DL-谷氨酸 |
英文名 | DL-Glutamic Acid |
别名 | DL-谷氨酸 2-氨基戊二酸 DL-麸质酸(无水) DL-谷氨酸(无水) DL-谷氨酸|2-氨基戊二酸 DL-谷氨酸|2-氨基戊二酸|DL-麸氨基 |
英文别名 | DL-Glu NSC 9967 DL-Glu-OH NSC 206301 dl-glutamic glutamic acid dl-glutamicaci DL-Glutamic Acid 2-Aminopentanedioic acid (R,S)-2-Amino-pentanedioicacid |
CAS | 617-65-2 |
EINECS | 210-522-2 |
化学式 | C5H9NO4 |
分子量 | 147.13 |
InChI | InChI=1/C5H9NO4/c6-3(5(9)10)1-2-4(7)8/h3H,1-2,6H2,(H,7,8)(H,9,10) |
密度 | 1.409g/cm3 |
熔点 | 194℃ |
沸点 | 333.8°C at 760 mmHg |
比旋光度 | [α]D20 -1~+1° (c=7, dil. HCl) |
闪点 | 155.7°C |
蒸汽压 | 2.55E-05mmHg at 25°C |
溶解度 | 溶解水,HCl,醚,乙醇和石油醚。 |
折射率 | 1.522 |
存储条件 | 2-8℃ |
外观 | 白色晶体粉末或固体 |
物化性质 | 生物活性 DL-谷氨酸是作为基本代谢产物的谷氨酸的共轭酸。与多晶型物 α 和 βL-谷氨酸的第二相相比,DL-谷氨酸具有更好的稳定性。 |
MDL号 | MFCD00063113 |
安全术语 | 24/25 - 避免与皮肤和眼睛接触。 |
上游原料 | N-乙醯絲胺酸 |
下游产品 | D-谷氨酸 DL-谷氨酰胺 琥珀半醛 DL-焦谷氨酸 2,5-二哌啶酮 3-氰基丙酸 a-酮戊二酸 |
参考资料 展开查看 | 1. 李良清,郑文俊,吴小凤,刘德喜.武夷岩茶标准样品质及化学成分比较[J].广东茶业,2021(01):5-8. 2. Yang, X., Sun, X., Feng, Z. et al. Open-tubular capillary electrochromatography with β-cyclodextrin-functionalized magnetic nanoparticles as stationary phase for enantioseparation of dansylated amino acids. Microchim Acta 186, 244 (2019). https://doi.org/1 3. [IF=5.833] Yang Xuan et al."Open-tubular capillary electrochromatography with β-cyclodextrin-functionalized magnetic nanoparticles as stationary phase for enantioseparation of dansylated amino acids."Microchim Acta. 2019 Apr;186(4):1-8 4. [IF=5.537] Yurong Ma et al."Pre-cut NaCl solution treatment effectively inhibited the browning of fresh-cut potato by influencing polyphenol oxidase activity and several free amino acids contents."Postharvest Biol Tec. 2021 Aug;178:111543 5. [IF=4.556] Dandan Zhao et al."Physico-chemical properties and free amino acids profiles of six wolfberry cultivars in Zhongning."J Food Compos Anal. 2020 May;88:103460 6. [IF=4.379] Feng Lin et al."Chemical profile changes during pile fermentation of Qingzhuan tea affect inhibition of α-amylase and lipase."Sci Rep-Uk. 2020 Feb;10(1):1-10 7. [IF=4.35] Xiaomei Dai et al."1-Methylcyclopropene Preserves the Quality of Chive (Allium schoenoprasum L.) by Enhancing Its Antioxidant Capacities and Organosulfur Profile during Storage."Foods. 2021 Aug;10(8):1792 8. [IF=3.361] Ning Zhao et al."Ratiometric fluorescence probe of Cu2+ and biothiols by using carbon dots and copper nanoclusters."Rsc Adv. 2021 Oct;11(53):33662-33674 9. [IF=4.242] Hang Yang et al."Dietary leucine requirement of juvenile largemouth bass (Micropterus salmoides) based on growth, nutrient utilization and growth-related gene analyses."Aquaculture. 2022 Jun;555:738207 10. [IF=3.935] Min Zhang et al."Chemical profile and miscarriage prevention evaluation of Jiao-ai decoction, a classical traditional Chinese formula."JOURNAL OF PHARMACEUTICAL AND BIOMEDICAL ANALYSIS. 2022 May;:114832 11. [IF=7.514] Xue Xia et al."Structural Diversity and Concentration Dependence of Pyrazine Formation: Exogenous Amino Substrates and Reaction Parameters during Thermal Processing of L-alanyl-L-glutamine Amadori Compound."FOOD CHEMISTRY. 2022 May;:133144 |
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