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Ethyl Lactate: Natural Occurrence, Versatility and Eco-Friendly Potential

May 10,2024

General Description

Ethyl lactate, a compound derived from lactic acid and ethanol, is not only widely used in industrial applications but also occurs naturally in foods like cabbage, peas, vinegar, and various beverages. Its mild, buttery flavor profile adds to the taste and aroma of these foods. Beyond its culinary presence, ethyl lactate's versatility shines in its role as a solvent, coating agent, and pharmaceutical excipient. With eco-friendly potential, it offers a safer alternative to traditional solvents, contributing to a greener industry. Its biodegradability and effectiveness in various applications highlight its multifaceted nature, bridging gastronomy and industry seamlessly.

Article illustration

Figure 1. Ethyl lactate

Natural Occurrence

Ethyl lactate, also known as lactic acid ethyl ester, is a compound formed from lactic acid and ethanol, primarily recognized as a flavouring agent and solvent. While commonly used in various industrial applications, Ethyl lactate occurs naturally in a range of foods. Found in cabbage, peas, vinegar, bread, roasted chicken, butter, blackberry, pineapple, raspberry, and various wines and spirits, its presence spans diverse culinary realms. In trace amounts, it contributes to the aroma and taste of these foods, imparting a mild, buttery, creamy profile with subtle hints of fruit and coconut. Its natural occurrence extends to other consumables such as milk and milk products, pulses, and tea, broadening its culinary significance. Despite its widespread presence, ethyl lactate remains biodegradable, aligning with environmentally conscious practices. Notably, its utility as a water-rinsable degreaser underscores its versatility beyond the culinary sphere, positioning Ethyl lactate as a multifaceted compound with both industrial and gastronomic relevance. 1

Versatility and Eco-Friendly Potential

Ethyl lactate, a versatile compound with a wide array of applications, serves as a food additive, a component in perfumery, a flavor chemical, and most notably, a solvent. Its popularity in the coatings industry stems from its exceptional solvency power, high boiling point, low vapor pressure, and low surface tension, making it a preferred choice for various applications. The physical and thermodynamic properties of ethyl lactate, along with details of its synthesis, further underscore its utility in different industries. The potential of ethyl lactate to replace traditional solvents in a significant portion of applications has garnered attention from industry experts. While some suggest it could potentially substitute for over 80% of conventional solvents, it is essential to note that certain applications necessitate specific characteristics like non-polarity or lower boiling points, which may not align with ethyl lactate's properties. However, advancements in processing techniques could drive down prices, making ethyl lactate a more competitive option against petroleum-derived solvents, especially with the rising costs of crude oil. Studies utilizing computer-aided molecular design have identified ethyl lactate as a promising environmentally friendly solvent, aligning with the growing trend towards eco-conscious products. Its effectiveness as a coating for various materials, including wood, polystyrene, and metals, as well as its role as a paint stripper and graffiti remover, highlight its versatility and efficacy in different applications. Moreover, ethyl lactate's role in replacing hazardous air pollutants in magnetic tape coatings and its use as a safer alternative to solvents like N-methyl pyrrolidone, toluene, acetone, and xylene contribute to creating a safer work environment. Its applications in cleaning agents for the polyurethane industry, metal surface treatments, and soil remediation further demonstrate its effectiveness in diverse settings. In the pharmaceutical industry, ethyl lactate serves as a valuable dissolving and dispersing excipient for biologically active compounds, preserving their pharmacological activity. Its potential as an environmentally friendly route for producing 1,2-propanediol highlights its sustainable attributes, aligning with the industry's shift towards greener practices. Additionally, its use in the greener synthesis of various compounds and as a solvent for extracting valuable substances from natural sources underscores its multifaceted utility and environmentally friendly nature. 2

Reference

1. Ethyl lactate. FOODB. 2019; Primary ID: FDB020545.

2. Pereira CS, Viviana MT, Silva AE. Ethyl lactate as a solvent: Properties, applications and production processes – a review. Green Chemistry. 2011; 10: 2658–2671.

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Lastest Price from Ethyl lactate manufacturers

Ethyl lactate
97-64-3 Ethyl lactate
US $10.70/KG2024-10-11
CAS:
97-64-3
Min. Order:
10KG
Purity:
99%
Supply Ability:
10000kg
Ethyl lactate
97-64-3 Ethyl lactate
US $10.00/KG2024-05-28
CAS:
97-64-3
Min. Order:
1KG
Purity:
99%
Supply Ability:
100 mt