Infant Formula Iron Absorption via Lactoferrin and Vitamin C Synergy
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Solution Overview
Problem
Infant iron deficiency anemia remains a significant nutritional problem due to low iron absorption rates in commercially available infant formula milk powders, exacerbated by inhibitory compounds and inadequate presence of iron-absorption enhancing components.
Innovation Solution
An infant formula milk powder composition including specific ratios of lactoferrin, vitamin C, and an iron source, combined through a synergistic method to enhance iron absorption, along with a preparation process involving homogenization and spray-drying to create a powdery matrix powder.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Quantity of substance
If non-heme iron is added to infant formula milk powder to supplement iron, then iron content increases, but iron absorption rate remains low (only 2.57%)
Solution Approach 1:
The patent creates a composite iron supplementation system combining multiple iron sources (heme iron, non-heme iron, and iron-binding proteins like lactoferrin and transferrin) with iron-absorption enhancing components (vitamin C, organic acids). This composite approach overcomes the limitation of single iron source by leveraging synergistic effects, where heme iron provides high absorption baseline and non-heme iron supplements total iron content, while binding proteins and enhancers optimize the absorption of both forms.
Solution Approach 2:
The patent optimizes the ratio parameters of different iron sources and enhancing components to maximize absorption. Specifically, it controls the ratio of heme iron to non-heme iron, the concentration of iron-binding proteins, and the amount of vitamin C relative to iron content. By adjusting these parameters within optimal ranges, the formula achieves high iron absorption rates while preventing iron overload and maintaining nutritional balance.
2Quantity of substance
If phosphates, carbonates, and phytic acid are added to infant formula milk powder for nutritional completeness, then nutritional value improves, but iron absorption is significantly inhibited due to formation of insoluble iron salts
Solution Approach 1:
The patent introduces iron-binding proteins (lactoferrin, transferrin) and organic acids (vitamin C, citric acid) as intermediary substances that chelate iron to form soluble complexes. These intermediaries prevent iron from reacting with phosphates, carbonates, and phytic acid to form insoluble salts. The chelated iron remains in a bioavailable form that can be absorbed even in the presence of iron-inhibiting compounds, effectively mediating between iron supplementation and nutritional completeness.
Solution Approach 2:
The patent carefully balances the concentrations of iron-inhibiting compounds (phosphates, phytic acid) with iron-absorption enhancing components (vitamin C, organic acids, iron-binding proteins). By controlling the ratio and absolute amounts of these components, the formula maintains nutritional completeness while ensuring sufficient iron absorption. The enhanced iron components are present in sufficient quantities to overcome the inhibitory effects of naturally occurring antinutrients.
3Quantity of substance
If excessive iron is added to infant formula milk powder to prevent iron deficiency, then iron content increases, but trace element metabolism becomes imbalanced and growth retardation occurs
Solution Approach 1:
The patent precisely controls the iron content and its distribution among different iron sources within optimal ranges. Rather than using excessive single-source iron supplementation, it distributes iron across multiple sources (heme iron at controlled levels, non-heme iron, iron-binding proteins) with specific concentration parameters. This parameter optimization ensures sufficient iron for preventing deficiency while avoiding toxic effects and maintaining balance with other trace elements like zinc and copper.
Solution Approach 2:
The patent uses a composite iron supplementation system where multiple iron sources work synergistically at balanced proportions. Heme iron provides highly absorbable iron at lower total iron levels, while non-heme iron and iron-binding proteins supplement the total iron content. This composite approach achieves iron sufficiency with lower overall iron addition compared to single-source supplementation, thereby preventing trace element imbalance and growth retardation.
4Reliability
If excessive vitamin C is added to infant formula milk powder to enhance iron absorption, then iron absorption improves, but milk powder quality becomes unstable and acidity increases
Solution Approach 1:
The patent optimizes the vitamin C to iron ratio within specific parameter ranges to achieve effective iron absorption enhancement while preventing quality degradation. Rather than using excessive vitamin C, it controls the concentration at levels sufficient to enhance non-heme iron absorption but low enough to maintain milk powder stability and appropriate pH. The formula also incorporates multiple iron sources, reducing dependence on high vitamin C levels for overall iron absorption.
Solution Approach 2:
The patent employs multiple iron-absorption enhancing mechanisms beyond just vitamin C, including heme iron (which absorbs independently of vitamin C), iron-binding proteins, and other organic acids. This composite enhancement strategy distributes the iron absorption burden across multiple pathways, reducing the required vitamin C concentration to levels that enhance absorption without causing quality instability or excessive acidity.
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The synergistic combination significantly increases iron absorption and utilization, effectively preventing and alleviating infant iron deficiency anemia, as demonstrated by improved hemoglobin and red blood cell recovery in animal and clinical experiments.
Implementation Method 1
The synergistic combination significantly increases iron absorption and utilization, effectively preventing and alleviating infant iron deficiency anemia
Implementation Method 2
a preparation process involving homogenization and spray-drying to create a powdery matrix powder
Implementation Method 3
a preparation process involving homogenization and spray-drying to create a powdery matrix powder
Data Source
AI summary
The present invention relates to an infant formula milk powder capable of preventing and alleviating infant iron deficiency anemia and a preparation method thereof. The formula milk powder comprises components such as vegetable oil, fresh milk, whey powder, lactose powder, whey protein powder, oligosaccharides, complex vitamins and complex minerals, wherein the lactoferrin and vitamin C, or alternatively, an iron source (calculated as iron), lactoferrin and vitamin C are maintained in the appropriate mass ratios, and the formula milk powder of the present invention is obtained by performing mixing, homogenizing, cooling, concentrating and spray-drying, packaging or directly using a step-by-step mixing method. The formula milk powder comprises appropriate amounts of vitamin C and lactoferrin, as well as an appropriate amount of iron source as further provided, and the three are combined according to an appropriate proportion, so that the combination of the three kinds of the substances have a synergistic effect, and the absorption and utilization rate of iron are increased dramatically, thereby not only achieving the desirable iron supplementation effect, but also preventing and alleviating the phenomenon of infant iron deficiency anemia.