Lactose-N-neotetrasaccharide - the key oligosaccharide to unlock the next generation of nutrition and health therapies

Lacto-N-neotetraose is one of the core components of human milk oligosaccharides (HMOs) and is known as the "golden nutritional factor for infants." It not only exists naturally in human milk and plays a vital biological role, but is also an indispensable functional raw material in the fields of modern nutritional science, infant formula and biomedicine. As research into the gut microbiome and immune regulation deepens, lactose-N-neotetraose is emerging as a new engine for personalized nutrition and disease prevention.

Chemical Information

Chemical name: Lactose-N-neotetraose

Common name: Lacto-N-neotetraose

Chemical formula: C26H45NO21

Molecular weight: 707.63 g/mol

CAS number: 13007-32-4

Structural features

Lactose-N-neotetraose is a complex linear tetrasaccharide whose unique structure is derived from the precise assembly of human milk oligosaccharides:

Specific glycosidic bond connection: It is composed of lactose unit (galactose-glucose) and N-acetylactosamine (galactose-β-1,4-N-acetylglucosamine) connected through β-1,3 bond. This structure gives the molecule a high degree of stability and selective recognition capabilities, allowing it to bind efficiently to specific receptors in the intestine, such as lectins.

Enhanced biocompatibility: As a natural component of human milk, the structure of lactose-N-neotetraose mimics the characteristics of host glycoconjugates, thereby avoiding immune rejection and optimizing its residence time and functional expression in the intestinal environment.

Main applications and advantages

Infant formula milk powder and core ingredients for nutritional enhancement

Simulate human milk function: Lactose-N-neotetraose is one of the abundant oligosaccharides in breast milk. Adding it to infant formula can effectively replicate the biological effects of breast milk, promote colonization of infant intestinal flora, enhance intestinal barrier function, and reduce the risk of infection. Clinical studies show it can significantly improve infants’ immune development and digestive health.

Improve product potency: By accurately simulating the structure of natural HMOs, it can help formula manufacturers achieve "close to breast milk" nutritional standards and meet the market's demand for high-end infant and young child foods.

Prebiotics and intestinal microbiome regulation

Selectively promote beneficial bacteria: Lactose-N-neotetraose can be used as a high-efficiency biobiotic, specifically stimulating the growth of beneficial bacteria such as Bifidobacteria and Lactobacilli, while inhibiting the colonization of pathogens (such as E. coli). This helps maintain the balance of intestinal microecology and prevent common diseases such as diarrhea and inflammatory bowel disease.

Improve metabolic health: In adult nutrition, this molecule has been explored as an adjuvant treatment for metabolic disorders such as obesity and diabetes, optimizing host metabolic pathways by modulating gut microbiota-derived metabolites (such as short-chain fatty acids).

Immunomodulation and anti-infectious therapy

Innate immune activation: Lactose-N-neotetraose can gently modulate the innate immune response by interacting with sugar receptors on the surface of dendritic cells or macrophages, reducing excessive inflammation while enhancing antiviral and antibacterial defenses. This gives it potential in preventing neonatal necrotizing enterocolitis (NEC), or respiratory tract infections.

Biomarkers and diagnostic tools: Certain diseases (such as autoimmune diseases or intestinal dysfunction) are associated with changes in HMOs levels. Lactose-N-neotetraose can be used as a potential biomarker for the development of non-invasive diagnostic reagents or health monitoring platforms.

Expanding applications of medicine and functional food

Drug Delivery Systems: Due to its biocompatibility and targeting properties, lactose-N-neotetraose is being investigated as a drug carrier to improve the bioavailability of oral drugs or to target specific regions of the intestine.

Conclusion

Lactose-N-neotetraose is not only a functional oligosaccharide, but also a bridge connecting nutritional science and future medical care. From optimizing infant development to adult chronic disease management, from intestinal health to immune enhancement, its application prospects are endless.