Liquid Creamer Stability Without Synthetic Emulsifiers
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Solution Overview
Problem
Existing liquid creamers face stability issues during storage and when added to beverages, particularly in low pH and high mineral content beverages, leading to physical separation, curdling, and undesirable flavors, and often require synthetic emulsifiers and phosphate buffers to maintain stability and whitening capacity.
Innovation Solution
A liquid creamer composition comprising casein-based protein, phospholipids, pectin, calcium, bicarbonate, and citrate at specific concentrations, which provides stable oil-in-water emulsions and good whitening capabilities without the need for synthetic emulsifiers or phosphate buffers, maintaining stability and texture over a long shelf-life.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If synthetic emulsifiers and phosphate buffers are used to maintain stability and whitening capacity, then physical stability and whitening effect are improved, but consumer acceptance deteriorates due to synthetic ingredients
Solution Approach 1:
The invention changes the chemical parameters by using natural buffers (citrate and bicarbonate) instead of phosphate buffers, and natural emulsifiers (phospholipids from vegetable oils) instead of synthetic emulsifiers. The specific concentration ranges (citrate: 0.12-0.24%, bicarbonate: 0.07-0.15%, phospholipids: 0.1-0.7%) are optimized to achieve stability without synthetic ingredients.
Solution Approach 2:
The invention uses a composite system combining casein-based protein, phospholipids, pectin, citrate, and bicarbonate to achieve the stabilizing and whitening effects previously provided by synthetic ingredients. This composite natural system replaces the synthetic emulsifier-phosphate buffer combination.
2Ease of operation
If the creamer is added to low pH and high mineral content beverages at high temperature, then dispersion and whitening are improved, but physical separation occurs leading to curdling and sedimentation
Solution Approach 1:
The invention introduces citrate and bicarbonate as intermediary substances that mediate between the casein-based protein and the beverage environment. These natural buffers protect the casein from denaturation in low pH and high mineral content conditions, preventing curdling while allowing good dispersion and whitening.
Solution Approach 2:
The creamer formulation includes citrate and bicarbonate in advance to cushion against the harsh conditions of low pH and high mineral content beverages. This prior cushioning prevents the casein from undergoing harmful changes when exposed to acidic coffee or tea environments.
3Duration of action of stationary object
If the creamer is stored at ambient temperature for extended periods, then convenience and shelf-life are improved, but phase separation and flavor degradation occur
Solution Approach 1:
The invention merges multiple stabilizing components (casein-based protein, phospholipids, pectin, citrate, and bicarbonate) into a unified system that works synergistically to maintain emulsion stability during extended ambient temperature storage. The combination provides both steric and electrostatic stabilization.
Solution Approach 2:
The invention optimizes the concentration parameters of each component to achieve long-term stability at ambient temperature. The specific ratios (casein: 0.45-1.55%, phospholipids: 0.1-0.7%, pectin: 0.05-0.2%, citrate: 0.12-0.24%, bicarbonate: 0.07-0.15%) are carefully balanced to prevent phase separation during extended storage.
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 creamer composition achieves stable emulsions and superior whitening and mouthfeel in hot and cold beverages, maintaining stability and flavor without phase separation or sedimentation, even with varying water hardness, and extends shelf-life to several months without refrigeration.
Implementation Method 1
phospholipids, pectin, calcium, bicarbonate, citrate and oil wherein the casein based protein is present at a level between 0.45 and 1.55 %, the phospholipids are present at a level between 0.1 and 0.7 %, the pectin is present at a level between 0.05 and 0.2 %
Implementation Method 2
provide good whitening capabilities
Implementation Method 3
pectin, calcium, bicarbonate, citrate and oil wherein the casein based protein is present at a level between 0.45 and 1.55 %, the phospholipids are present at a level between 0.1 and 0.7 %, the pectin is present at a level between 0.05 and 0.2 %, the calcium is present at a level between 0.025 and 0.075 %
Data Source
Figure 1
AI summary
The present invention relates to creamers for food products such as coffee and tea. In particular, the invention relates to a liquid creamer comprising casein based protein, phospholipids, pectin, calcium, bicarbonate, citrate and oil. Further aspects of the invention are a beverage comprising a liquid creamer and a process for preparing a liquid creamer.