Sodium lactate

Catalog NumberHG72173

CAS Number72-17-3

CategoryAnionic Surfactants

Synonyms

Sodium DL-lactate

Molecular Weight

112.06

Molecular Formula

C3H5NaO3

Appearance

Solid

Application

Use as dispersing agent.

Active Content

95%

Download COA Download MSDS

Case Study

Sodium Lactate as a High-Performance, Food-Grade Draw Solute for Forward Osmosis in Food Processing

Xiao, Shengjian, et al. Journal of Food Engineering 296 (2021): 110465.

Challenge: Traditional forward osmosis (FO) draw solutes compromised food safety or efficiency in concentration processes. The food industry required a non-toxic, high-performance solution to concentrate heat-sensitive products like juices without quality degradation.
Solution: Sodium lactate-a low-cost, food-grade additive-was leveraged as a novel FO draw solute. Its high osmotic pressure and operational versatility across temperatures (5-40°C) offered inherent advantages for food processing.
Key Findings:
· Optimal Performance: A 7.1M sodium lactate solution achieved peak efficiency with 56 LMH average water flux (leading extraction rate) and minimal reverse solute flux (nutrient loss).
· Process Flexibility: Maintained consistent performance across membrane orientations and concentration ranges (4-8M).
· Real-World Validation: Successfully concentrated sugar solutions and orange juice while preserving flavor, color, and nutrients. · Target Brix levels were achieved without thermal damage.
· Technical Advantage: Sodium lactate's synergy of high osmotic pressure and optimized viscosity enables rapid water attraction while ensuring efficient membrane contact.

Sodium Lactate as a Key Antimicrobial Agent Against Listeria monocytogenes in Ready-to-Eat Meats

Mbandi, Evelyne, et al. Journal of food protection 70.1 (2007): 58-64.

Listeria monocytogenes is a major concern for RTE meats, but the underlying proteomic effects of the organic acid salts are unknown. This case study assesses the individual and combined antimicrobial effects of sodium lactate (NaLA) and sodium diacetate (SD) to reduce L. monocytogenes expression profiles.
Key Findings:
· Differential Protein Impact: SDA treatment caused the most profound proteomic shifts (124 unmatched proteins, 20 upregulated, 90 novel). NaLA treatment showed significant but less extensive changes (53 unmatched, 5 upregulated, 45 novel). NaLA+SDA combination produced strongest suppression (41 downregulated proteins vs. ~30 for single salts)
· Critical Protein Alterations: Upregulated oxidoreductase, lipoprotein (stress response); Downregulated DNA-binding protein, alpha amylase, SecA proteins (metabolism/secretion disruption).
· Synergistic Advantage: Combination leveraged complementary mechanisms, including SDA induced novel stress-response proteins, NaLA enhanced suppression of essential functions, and Joint treatment maximized virulence pathway disruption.
· Sodium lactate's synergy with sodium diacetate creates superior antimicrobial action through complementary proteomic impacts, validating NaLA+SDA blends (2.5% NaLA + 0.2% SD) as optimal for RTE meat protection.

• Synonyms: Sodium DL-lactate
• Molecular Weight: 112.06
• Molecular Formula: C3H5NaO3
• Appearance: Solid
• Application: Use as dispersing agent.
• Active Content: 95%