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Lecithin, an essential phospholipid composed of glycerol esters, fatty acids, phosphoric acid, and choline, is chiefly sourced from soybeans, sunflower seeds, egg yolk, and milk for industrial applications. It upholds cell membrane stability, delivers antibacterial, anti-inflammatory, and antioxidant effects, and functions effectively as an emulsifier in foods, animal feeds, pharmaceuticals, and industrial products. Additionally, it helps safeguard against neurological, cardiovascular, and cerebrovascular disorders, advancing sustainable food practices. This chapter reviews the extraction methods, such as solvent processes using hexane or ethanol—achieving yields near 93% from soybeans and egg yolk—together with greener enzymatic and ultrasound-enhanced techniques. Quantification employs HPLC, TLC, and phosphorus assays to evaluate phospholipid content accurately.

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Integrative Review of Lecithin Extraction and Quantification Techniques in Sustainable Food Systems

  • 章节

  • 发表日期：

    2026年

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  • Harika Vasa,
  • Shireesha Mukka,
  • Maheshwar Mekam

摘要

Lecithin, an essential phospholipid composed of glycerol esters, fatty acids, phosphoric acid, and choline, is chiefly sourced from soybeans, sunflower seeds, egg yolk, and milk for industrial applications. It upholds cell membrane stability, delivers antibacterial, anti-inflammatory, and antioxidant effects, and functions effectively as an emulsifier in foods, animal feeds, pharmaceuticals, and industrial products. Additionally, it helps safeguard against neurological, cardiovascular, and cerebrovascular disorders, advancing sustainable food practices. This chapter reviews the extraction methods, such as solvent processes using hexane or ethanol—achieving yields near 93% from soybeans and egg yolk—together with greener enzymatic and ultrasound-enhanced techniques. Quantification employs HPLC, TLC, and phosphorus assays to evaluate phospholipid content accurately.