白色结晶粉末,无臭,有特殊甜味,甜度约为蔗糖的70%。200℃以上升华。易溶于水(17%,25℃),微溶于乙醇(0.2%,80%冷酒精).不溶于乙醚。5%水溶液pH值5.5—5.7。化学性能稳定。
主要以L-天冬氨酸为原料,经脱羧、杀酶、脱色、过滤、结晶、离心、洗涤、干燥得成品。
用作增味剂。可增加调味品的调味效果;还可用作酸味矫正剂,改善有机酸的酸味。
中文名 | L-丙氨酸 |
英文名 | L-Alanine |
别名 | 丙氨酸 L-丙氨 L-丙氨酸 α-丙氨酸 L-丙胺酸 2-氨基丙酸 L-氨基丙酸 α-氨基丙酸 L-初油氨基酸 L-α-丝析氨酸 L-2-丝析丙酸 L-丙氨酸 (停产) L-2-氨基丙酸,L-2-AMINOPROPIONIC ACID |
英文别名 | Ala Alanine H-Ala-OH L-Alanine L-alanine-12C3 L-Alpha-Alanine 2-Aminopropanoicacid 2-Aminopropanoic acid Tenofovir Impurity 80 2-Aminopropanoic Acid 2-Amino-Propionic Acid (S)-2-Aminopropansαure (S)-2-Aminopropionsαure L-2-Aminopropionic acid (s)-2-aminopropanoicacid Aspartic Acid Impurity 6 (S)-2-Aminopropanoic acid |
CAS | 56-41-7 |
EINECS | 200-273-8 |
化学式 | C3H7NO2 |
分子量 | 89.09 |
InChI | InChI=1/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/t2-/m0/s1 |
InChIKey | QNAYBMKLOCPYGJ-REOHCLBHSA-N |
密度 | 1,432 g/cm3 |
熔点 | 314.5 °C |
沸点 | 212.9±23.0 °C(Predicted) |
比旋光度 | 14.5 º (c=10,6N HCl,dry sub.) |
水溶性 | 166.5 g/L (25 ºC) |
溶解度 | H2O: 100 mg/mL |
折射率 | 1.4650 (estimate) |
酸度系数 | 2.34(at 25℃) |
PH值 | 5.5-6.5 (100g/l, H2O, 20℃) |
存储条件 | 2-8°C |
稳定性 | 稳定。与强氧化剂不相容。 |
外观 | 粉末 |
颜色 | White to almost white |
最大波长(λmax) | ['λ: 260 nm Amax: ≤0.03', , 'λ: 280 nm Amax: ≤0.02'] |
Merck | 14,204 |
BRN | 1720248 |
物化性质 | 白色结晶或结晶性粉末,无异臭,带有甜味。 易溶于水(16.5%,25℃),不溶于乙醚或丙酮。 分解温度为297℃>,mp233℃,等电点5.79,pka-COOH=2.34, Pka-NH3=9.60, [α]25D+14.6 (C=0.5~2.0g/ml, 5mol/L HCl)。L-丙氨酸是人体非必需氨基酸,在生物体内甘氨酸的氨基转移至丙酮酸而成。在葡萄糖-丙氨酸循环中, 保持低血氨水平。丙氨酸是血中氮的优良运输工具。 又是一种有效生糖氨基酸。 |
MDL号 | MFCD00064410 |
危险品标志 | Xi - 刺激性物品 |
风险术语 | 36/37/38 - 刺激眼睛、呼吸系统和皮肤。 |
安全术语 | S24/25 - 避免与皮肤和眼睛接触。 S36 - 穿戴适当的防护服。 S26 - 不慎与眼睛接触后,请立即用大量清水冲洗并征求医生意见。 |
WGK Germany | 3 |
RTECS | AY2990000 |
FLUKA BRAND F CODES | 10 |
TSCA | Yes |
海关编号 | 29224995 |
Hazard Class | IRRITANT |
上游原料 | 活性炭 丙酸 磷酸二氢钾 蛋白质 氰胺 琼脂粉 丙酸钠 溴化铵 牛肉膏 三角烧瓶 |
下游产品 | DL-色氨酸 5-乙氧基-4-甲基唑 D-别苏氨酸 5-溴尿嘧啶 L-氨基丙醇 3-氨基-1-丙醇 |
参考资料 展开查看 | 1. 侯丽娟 严超 齐晓茹 王颉. 不同品种红枣酿制枣酒的香气差异性研究[J]. 食品工业 2017(5):208-212. 2. 孙时光, 左勇, 徐佳, et al. 外源添加物对桑椹果酒高级醇的影响[J]. 食品与发酵工业, 2019, 045(019):180-187. 3. 严超, 侯丽娟, 齐晓茹,等. 红枣白兰地发酵过程中酒醅氨基酸和有机酸的变化分析[J]. 食品工业科技, 2017, 38(014):121-125. 4. 邹兰, 胡月英, 陈文学. 黑胡椒提取物对枯草芽孢杆菌生理代谢的影响[J]. 食品工业科技, 2015, 36(023):148-151. 5. 邹兰, 胡月英, 陈文学. 黑胡椒石油醚相提取物对大肠杆菌和金黄色葡萄球菌的抑菌机制研究[J]. 食品科技, 2018(6). 6. 王婷婷,郜玉钢,臧埔,赵岩,何忠梅,祝洪艳,张连学.复方麦鹿芪人参制剂主要成分变化及其在肝癌H22荷瘤小鼠体内的抗肿瘤作用[J].吉林大学学报(医学版),2017,43(04):698-704+858-859. 7. 李婉斯, 李婷, 陆春怡,等. 基于HPLC指纹图谱及聚类分析评价市售阿胶的质量[J]. 上海中医药大学学报, 2017, 031(006):91-96. 8. 崔若宇, 李美娜, 方婷,等. 纸色谱法实现对丙氨酸快速手性分离的研究[J]. 化学教育, 2018, 039(004):22-24. 9. 甘学文,王光耀,邓仕彬,张春晖,崔和平,刘曙光,于静洋,成涛,张晓鸣.美拉德反应中间体对卷烟评吸品质的影响及其风味受控形成研究[J].食品与机械,2017,33(06):46-52. 10. 祝洪艳, 张荻, 张力娜,等. 柱前衍生化HPLC法检测紫苏子和紫苏叶中氨基酸的含量[J]. 药物分析杂志, 2017(10):1858-1864. 11. 宫瑞泽 赵卉 曲迪 等. 不同产地加工及炮制方法对鹿茸中胶原蛋白含量的影响[J]. 食品科学 2019(22). 12. 孙来玉,钱坤,赵明星,肖莉.纸基微流控器件法检测丙氨酸氨基转移酶的研究[J].湖州师范学院学报,2020,42(10):50-56. 13. 张喜峰,王鑫鑫,张青婷,罗光宏.温敏性低共熔溶剂双水相萃取分离油用牡丹籽粕多糖[J].中国油脂,2020,45(12):93-99. 14. 孔艳,邢雪,李娜,于巧红,王萌,刘志东.注射用血栓通(冻干)与3种生物化学注射剂配伍稳定性研究[J].药物评价研究,2020,43(10):1988-1996 15. Ji, Youan, et al. "Highly efficient separation of indole from model wash oil using tetraethyl ammonium amino acid ionic liquids." Separation and Purification Technology 258 (2021): 117997.https://doi.org/10.1016/j.seppur.2020.117997 16. Zhao, Zheng, et al. "Cholinium amino acids-glycerol mixtures: New class of solvents for pretreating wheat straw to facilitate enzymatic hydrolysis." Bioresource technology 245 (2017): 625-632.https://doi.org/10.1016/j.biortech.2017.08.209 17. Xinru Xu, Mingguang Yu, Junaid Raza, Huanlu Song, Lin Gong, Wenqing Pan, Study of the mechanism of flavor compounds formed via taste-active peptides in bovine bone protein extract, LWT, Volume 137, 2021, 110371, ISSN 0023-6438, https://doi.org/10.1016/j.lw 18. [IF=6.079] Tian Luo et al."Determination of underivatized amino acids to evaluate quality of beer by capillary electrophoresis with online sweeping technique."J Food Drug Anal. 2017 Oct;25:789 19. [IF=4.411] Yujiao Hua et al."Quality Evaluation of Pseudostellariae Radix Based on Simultaneous Determination of Multiple Bioactive Components Combined with Grey Relational Analysis."Molecules. 2017 Jan;22(1):13 20. [IF=4.098] Chunlin Li et al."Rapid and non-destructive discrimination of special-grade flat green tea using Near-infrared spectroscopy."Spectrochim Acta A. 2019 Jan;206:254 21. [IF=3.535] Tian Luo et al."Establishing a sensitive capillary electrophoresis-UV method for direct determination of amino acids to evaluate vinegar quality."Electrophoresis. 2018 Jun;39(11):1410-1416 22. [IF=2.896] Jing Ke et al."Development of a gradient micellar liquid chromatographic method eluting from micellar mode to high submicellar mode for the rapid separation of free amino acids."Anal Methods-Uk. 2017 Mar;9(11):1762-1770 23. [IF=2.896] Ya-yun Chen et al."Determination of free amino acids and nucleosides and nucleobases in Annona squamosa L. fruitages from different regions in China by LC-QTRAP-MS/MS."Anal Methods-Uk. 2017 Jun;9(25):3862-3869 24. [IF=2.727] Tian Luo et al."Quality assessment of soy sauce using underivatized amino acids by capillary electrophoresis."International Journal Of Food Properties. 2018 Jan 08 25. [IF=2.227] Zhang Jie et al."Preparation and characterization of L-phenylalanine modified chitosan resin for aromatic amino acid adsorption."Macromol Res. 2014 May;22(5):515-522 26. [IF=1.913] Xie Yunfei et al."Rapid Determination of Amino Acids in Beer, Red Wine, and Donkey-Hide Gelatin by Gradient Elution of HPLC: From Micellar Liquid Chromatography to High Submicellar Liquid Chromatography."J Aoac Int. 2018 Jan;101(1):249-255 27. [IF=7.79] Ye Lu et al."Enhancing hydrogel-based long-lasting chemiluminescence by a platinum-metal organic framework and its application in array detection of pesticides and D-amino acids."Nanoscale. 2020 Feb;12(8):4959-4967 28. [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 29. [IF=4.952] Huan Zhang et al."Label-free quantification proteomics reveals the active peptides from protein degradation during anaerobic fermentation of tea."Lwt Food Sci Technol. 2021 Oct;150:111950 30. [IF=4.821] Peng Wan et al."Analysis of aroma-active compounds in bighead carp head soup and their influence on umami of a model soup."Microchem J. 2021 Sep;168:106436 31. [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 32. [IF=4.411] Mengxia Tan et al."Quality Evaluation of Ophiopogonis Radix from Two Different Producing Areas."Molecules. 2019 Jan;24(18):3220 33. [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 34. [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 35. [IF=4.142] Li Cong et al."A fluorescence strategy for monitoring α-glucosidase activity and screening its inhibitors from Chinese herbal medicines based on Cu nanoclusters with aggregation-induced emission."Anal Bioanal Chem. 2021 Apr;413(9):2553-2563 36. [IF=3.24] Zhichen Cai et al."Metabolomics characterizes the metabolic changes of Lonicerae Japonicae Flos under different salt stresses."Plos One. 2020 Dec;15(12):e0243111 37. [IF=2.097] Ke Jing et al."Isocratic micellar liquid chromatography using mixed anionic and non-ionic surfactants as mobile phase additives for separation of 17 free amino acids."Chem Pap. 2019 Oct;73(10):2417-2426 38. [IF=1.618] Wang Shengnan et al."Simultaneous Determination of Iridoid Glycosides, Phenylpropanoid Glycosides, Organic Acids, Nucleosides and Amino Acids in Scrophulariae Radix Processed by Different Processing Methods by HPLC-QTRAP-MS/MS."J Chromatogr Sci. 2021 Jun; 39. [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 40. [IF=6.165] Shan Lu et al."Colorimetric and fluorescent dual-channel sensor array based on Eriochrome Black T/Eu3+ complex for sensing of multiple tetracyclines."J Mol Liq. 2022 Apr;351:118371 41. [IF=4.105] Cong Wang et al."Heteronuclear MOF-based fluorescent sensor for the detection of tetracycline antibiotics."APPLIED ORGANOMETALLIC CHEMISTRY 42. [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 |
白色结晶粉末,无臭,有特殊甜味,甜度约为蔗糖的70%。200℃以上升华。易溶于水(17%,25℃),微溶于乙醇(0.2%,80%冷酒精).不溶于乙醚。5%水溶液pH值5.5—5.7。化学性能稳定。
主要以L-天冬氨酸为原料,经脱羧、杀酶、脱色、过滤、结晶、离心、洗涤、干燥得成品。
用作增味剂。可增加调味品的调味效果;还可用作酸味矫正剂,改善有机酸的酸味。
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