Camel Milk Gel Strength via Plant Protein Additives
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Solution Overview
Problem
Camel milk poses challenges in forming strong gels for yogurt and cheese products due to its unique casein composition, low κ-casein proportion, and absence of β-lactoglobulin, resulting in brittle gels that are unsuitable for manufacturing, and previous solutions like hydrocolloids are not preferred by consumers.
Innovation Solution
Incorporating plant-based protein additives into camel milk products, such as plant-based milks or powders derived from sources like soybean, oat, or quinoa, to enhance gel strength, along with the use of coagulants like acids or lactic acid bacteria, and adjusting the ratio of additives to control gel strength.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Strength
If plant-based protein additives are added to camel milk, then gel strength is improved, but product complexity increases
Solution Approach 1:
The patent combines camel milk with plant-based proteins (soy protein, pea protein, or lentil protein) to create a composite protein system. This composite approach leverages the complementary properties of camel milk proteins and plant proteins to achieve superior gel strength that neither component could achieve alone, directly resolving the technical contradiction between maintaining simplicity and improving gel strength.
Solution Approach 2:
The patent optimizes the ratio of plant-based protein additive to camel milk (typically 1:9 to 3:7 by weight) and adjusts processing parameters such as heating temperature (85-95°C) and pH (6.0-6.8) to maximize gel strength while maintaining product simplicity. By carefully controlling these parameters, the patent achieves strong gels without requiring complex formulations or processing steps.
2Reliability
If hydrocolloids are used to improve gel formation, then water holding capacity is improved, but consumer acceptance deteriorates due to animal additive preferences
Solution Approach 1:
The patent uses plant-based proteins as intermediary substances that bridge the functional gap left by the absence of β-lactoglobulin in camel milk. These plant proteins act as mediators that facilitate gel network formation and improve water holding capacity without being animal-derived, thus maintaining consumer acceptance while achieving the desired functional improvements.
Solution Approach 2:
The patent adjusts the pH of the camel milk mixture to the isoelectric point range of casein (pH 6.0-6.8) and controls ionic strength to optimize casein micelle aggregation and gel formation. By carefully controlling these chemical parameters, the patent achieves improved water holding capacity and gel strength using only plant-based additives, avoiding the need for hydrocolloids or animal-derived additives.
3Reliability
If camel milk is used for yogurt and cheese production, then health benefits are provided, but gelation capability deteriorates due to low κ-casein and absent β-lactoglobulin
Solution Approach 1:
The patent creates a composite protein system combining camel milk casein micelles with plant-based proteins. This composite approach compensates for the functional deficiencies of camel milk proteins (low κ-casein and absent β-lactoglobulin) while preserving the health benefits of camel milk. The plant proteins fill the functional gap by providing additional gelation capability and stabilizing the protein network.
Solution Approach 2:
The patent selectively adds plant-based proteins to specific functional regions of the camel milk system where they are most needed - at the protein-protein interfaces and within the gel network structure. This localized enhancement of gelation capability through plant protein incorporation allows the camel milk to maintain its health benefits while gaining improved gelation properties where required for yogurt and cheese production.
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 addition of plant-based proteins significantly improves the gel strength of camel milk products, making them more suitable for fermented products like yogurt and cheese, as demonstrated by rheological tests showing increased storage modulus and loss modulus, and thixotropic behavior, while maintaining consumer preference by avoiding animal-derived additives.
Implementation Method 1
Rheological and microscopic characterizations showed that camel milk coagulum does not feature curd formation... The addition of plant-based proteins significantly improves the gel strength of camel milk products... rheological tests showing increased storage modulus and loss modulus
Implementation Method 2
The coagulant may be an acid, a lactic acid bacteria, or an enzyme. In the case of a lactic acid bacteria, the method may include a fermentation step.
Data Source
AI summary
The camel-milk products with plant-based protein additives include camel milk in the form of plant-based milk, plant-based milk powder and/or derivatives thereof and have enhanced gel strength. The plant-based protein additives may be derived from soybeans; oats; almonds; lupin chickpeas or navy beans. The camel-milk products include fermented and non-fermented camel-milk products, such as: set and stir yogurt; all cheese varieties; cultured camel milks; and custard-based products. The camel-milk products are prepared by mixing camel milk with plant-based protein additives to form a mixture and coagulating the mixture by acid or enzyme treatment.