Infant Lipid Composition to Reduce Calcium Soap Formation

Solution Overview

Problem

Infant formulas fail to replicate the fat and calcium absorption and stool consistency of breast milk, leading to digestive discomfort, constipation, and poor bioavailability, primarily due to the different lipid compositions and high palmitic acid positioning in sn-1(3) positions of triglycerides, which form insoluble soaps and hard stools.

Innovation Solution

A nutritional composition for infants and young children with a limited sum of sn-1(3) palmitic, myristic, and stearic acids less than 13% of TAG, combined with specific oil blends to improve fat and calcium absorption, reducing digestive discomfort and constipation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Quantity of substance

If conventional infant formulas use high palmitic acid content in sn-1(3) positions of triglycerides, then the formula can provide sufficient energy and meet fat content requirements, but it forms insoluble calcium soaps in the intestine leading to hard stools and constipation

Engineering Contradiction:

Improvefat contentVSAvoidinsoluble calcium soap formation

Core Design Contradiction:

Quantity of substanceVSObject-generated harmful factors

Solution Approach 1:

The patent applies local quality by specifically modifying the sn-1(3) position of triglycerides to have reduced palmitic acid content while maintaining or increasing palmitic acid in the sn-2 position. This localized structural modification prevents calcium soap formation in the intestine while preserving the energy-providing function of fat, thereby resolving the contradiction between sufficient fat content and reduced harmful soap formation.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent changes the chemical composition parameters of the triglyceride structure by reducing sn-1(3) palmitic acid content to below 13% and adjusting the overall fatty acid profile. This parameter change transforms the lipid structure to prevent insoluble soap formation while maintaining adequate energy content, thus resolving the contradiction between fat quantity and harmful effect reduction.

Inventive Principle:

Principle #35Parameter changes

2Ease of manufacture

If infant formulas use high palmitic acid content similar to cow's milk, then the formula can be easily manufactured with common vegetable oils, but it results in poor calcium absorption and harder stools compared to breastfed infants

Engineering Contradiction:

Improvemanufacturing simplicityVSAvoidcalcium absorption

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The patent applies local quality by specifically modifying the sn-1(3) position of triglycerides to have reduced palmitic acid content while maintaining or increasing palmitic acid in the sn-2 position. This localized structural modification prevents calcium soap formation in the intestine while preserving the energy-providing function of fat, thereby resolving the contradiction between sufficient fat content and reduced harmful soap formation.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent changes the chemical composition parameters of the triglyceride structure by reducing sn-1(3) palmitic acid content to below 13% and adjusting the overall fatty acid profile. This parameter change transforms the lipid structure to prevent insoluble soap formation while maintaining adequate energy content, thus resolving the contradiction between fat quantity and harmful effect reduction.

Inventive Principle:

Principle #35Parameter changes

3Quantity of substance

If infant formulas use standard vegetable oil blends, then the formula can provide cost-effective nutrition, but it fails to replicate the stool consistency and gastrointestinal tolerance of breastfed infants

Engineering Contradiction:

Improvenutritional contentVSAvoidgastrointestinal discomfort

Core Design Contradiction:

Quantity of substanceVSObject-affected harmful factors

Solution Approach 1:

The patent applies local quality by specifically modifying the sn-1(3) position of triglycerides to have reduced palmitic acid content while maintaining or increasing palmitic acid in the sn-2 position. This localized structural modification prevents calcium soap formation in the intestine while preserving the energy-providing function of fat, thereby resolving the contradiction between sufficient fat content and reduced harmful soap formation.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The patent uses composite materials by combining specific vegetable oils (rapeseed, sunflower, coconut) in defined proportions to create a lipid blend that achieves the desired sn-1(3) palmitic acid content below 13%. This composite approach provides cost-effective nutrition while replicating the gastrointestinal tolerance and stool consistency of breastfed infants, resolving the contradiction between nutritional content and gastrointestinal comfort.

Inventive Principle:

Principle #40Composite materials

Data Source

PatentEP3493687B1Lipid composition for use in infants and young children for promoting gut comfort

Publication Date: 2025.11.12 SOCIETE DES PRODUITS NESTLE SA

Figure 1

AI summary

The present invention relates to a nutritional composition, for infants and young children (about 12 to 36 months) in which the sum of the triacylglycerols (TAG) sn-1(3) palmitic acid (PA), myristic acid (MA) and stearic acid (SA) constitutes less than 13.0% of the TAG. The composition promotes absorption of fatty acids and calcium in the gut, improves gut comfort, decreases abdominal pain associated with hard stool formation, promotes regular bowel movements and reduces the incidence and severity of constipation in infants and young children (up to the age of about three years old). The composition also promotes bone mineralization, increasing bone strength and bone mineral density.