05129

L-丙氨酸

BioUltra, ≥99.5% (NT)

• 同義詞: (S)-2-氨基丙酸, L-α-氨基丙酸
• 經驗公式（希爾表示法）: C₃H₇NO₂
• CAS號碼: 56-41-7
• 分子量：: 89.09
• Beilstein: 1720248
• EC號碼: 200-273-8
• MDL號碼: MFCD00064410
• 分類程式碼代碼: 12352209
• eCl@ss: 32160406
• PubChem物質ID: 329747639
• NACRES: NA.26

屬性

• 產品線: BioUltra
• 化驗: ≥99.5% (NT)
• 形狀: powder or crystals
• 光學活性: [α]20/D +14.0±1.0°, c = 5% in 5 M HCl
• 雜質: insoluble matter, passes filter test; ≤0.3% foreign amino acids
• 燃燒殘留物: ≤0.05%
• 損耗: ≤0.05% loss on drying, 20 °C (HV)
• 顏色: colorless to white
• pH值: 5.5-7.0 (25 °C, 1 M in H₂O)
• mp: 314.5 °C
• 溶解度: H₂O: 1 M at 20 °C, clear, colorless
• 負離子痕跡: chloride (Cl^-): ≤50 mg/kg; sulfate (SO₄^2-): ≤50 mg/kg
• 正離子痕跡: Al: ≤5 mg/kg; As: ≤0.1 mg/kg; Ba: ≤5 mg/kg; Bi: ≤5 mg/kg; Ca: ≤10 mg/kg; Cd: ≤5 mg/kg; Co: ≤5 mg/kg; Cr: ≤5 mg/kg; Cu: ≤5 mg/kg; Fe: ≤5 mg/kg; K: ≤50 mg/kg; Li: ≤5 mg/kg; Mg: ≤5 mg/kg; Mn: ≤5 mg/kg; Mo: ≤5 mg/kg; NH₄⁺: ≤100 mg/kg; Na: ≤50 mg/kg; Ni: ≤5 mg/kg; Pb: ≤5 mg/kg; Sr: ≤5 mg/kg; Zn: ≤5 mg/kg
• &lambda ；: 1 M in H₂O
• 紫外吸收: λ: 260 nm A_max: ≤0.03; λ: 280 nm A_max: ≤0.02
• 應用: detection
• SMILES 字串: C[C@H](N)C(O)=O
• InChI: 1S/C3H7NO2/c1-2(4)3(5)6/h2H,4H2,1H3,(H,5,6)/t2-/m0/s1
• InChI 密鑰: QNAYBMKLOCPYGJ-REOHCLBHSA-N
• 基因資訊: human ... CA1(759) , CA2(760)

描述

應用

• A Color Indicator Based on 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium Bromide (MTT) and a Biodegradable Poly(ester amide) for Detecting Bacterial Contamination.: This study developed a biodegradable poly(ester amide) containing L-Alanine used with MTT for the detection of bacterial contamination, highlighting its potential in health-related applications (Franco et al., 2024).


• Randomized Trial to Assess the Safety and Tolerability of Daily Intake of an Allulose Amino Acid-Based Hydration Beverage in Men and Women.: Investigates the impact of a daily hydration beverage supplemented with L-Alanine among other amino acids on hydration and nutrient uptake in humans, emphasizing its safety and efficacy (Bloomer et al., 2024).


• Comparison of methods for the NMR measurement of motionally averaged dipolar couplings.: This study utilizes L-Alanine samples to compare NMR methods for measuring dipolar couplings, contributing to the improvement of NMR spectroscopy techniques (Southern et al., 2024).

生化／生理作用

丙氨酸是一种非必需氨基酸，在肌肉组织和肝脏之间的葡萄糖-丙氨酸循环中起关键作用。在氨基酸降解组织（如肌肉）中，通过转氨基反应将氨基转移至谷氨酸。谷氨酸的氨基通过丙氨酸氨基转移酶转移至丙酮酸，形成丙氨酸和 α-酮戊二酸。丙氨酸进入血液并被运输到肝脏。该反应在肝脏中发生逆转，丙酮酸被用于糖异生途径，并形成葡萄糖，葡萄糖可通过循环系统返回到其他组织。丙氨酸水平升高与血压、能量摄入、胆固醇水平和体重指数升高相关。

其他說明

假定盐溶效应蛋白；各种微生物生长所需成分。

安全資訊

• 儲存類別代碼: 11 - Combustible Solids
• 水污染物質分類（WGK）: WGK 1
• 閃點（°F）: Not applicable
• 閃點（°C）: Not applicable
• 個人防護裝備: Eyeshields, Gloves, type N95 (US)