Modified Starch Solutions for Microencapsulation
Plan your path from core material to powder. Explore starch wall-material selection for flavors, oils and oil-soluble ingredients, matched to feed preparation, spray drying and the intended application.
Is Your Encapsulated Powder Meeting Its Target?
Identify which result needs to improve. Encapsulation efficiency, core retention, powder recovery and reconstitution answer different questions.
Oil Appears on the Powder Surface
Use defined surface-oil and total-oil methods. Compare the wall system, loading and drying conditions before setting an acceptance target.
Core Retention Falls During Drying
Measure the core before and after drying on a consistent calculation basis. Account for the particular oil, flavor or active ingredient.
Powder Recovery Is Inconsistent
Record recovered powder, feed solids and equipment losses, including wall deposits. Assess the process alongside the formulation.
Reconstitution Misses the Target
Define the intended medium, mixing conditions and use temperature. Compare wetting, dispersion, lumps and the reconstituted product.
From a Prepared Emulsion to an Encapsulated Powder
Connect the feed emulsion, drying process and finished powder in one evaluation plan.
- 01Wall material hydration
- 02Core addition
- 03Homogenization
- 04Spray drying
- 05Powder evaluation
Prepare the Feed Emulsion
Define hydration, core dispersion, droplet size and feed viscosity. Review emulsification alongside the downstream powder requirements.
Build the Encapsulating Matrix
Use a wall system and drying process suited to the core. A dried particle may contain multiple dispersed core regions within a matrix.
Conceptual illustration; not a microscopy image.
Evaluate the Finished Powder
Measure encapsulation and recovery separately. Include moisture, dispersion and storage tests relevant to the core and intended use.
Find Your Microencapsulation Application
Begin with the specific core material. Set quality targets around its behavior during processing, storage and final use.
Flavors & Aromatic Oils
Define the volatile core and compare retention through drying, then assess flavor performance in the intended application.
Explore flavor applications →
Nutritional Oils
Review core loading, surface oil and powder properties. Establish oil-specific oxidation and storage measurements where relevant.
Explore nutritional oil applications →
Oil-Soluble Vitamins
Identify the specific vitamin and its formulation. Evaluate content through processing and storage alongside the final use requirements.
Explore vitamin applications →
Oil-Soluble Pigments
Compare pigment content, dispersion and finished-product color. Match the test plan to the particular pigment and intended matrix.
Explore pigment applications →Choose Wall Materials Around Your Core and Process
Share your core, wall system and process requirements to help narrow candidate grades and trial conditions.
Define Your Formulation and Processing Conditions
| Selection factor | Information to share | Evaluation focus |
|---|---|---|
| Core material | Core identity, composition and target loading | Core-specific processing and quality needs |
| Wall system | Current starch, maltodextrin and other blended materials | Preparation and compatibility |
| Wall-to-core ratio | Mass ratio and calculation basis | Loading, encapsulation and powder recovery |
| Feed properties | Total solids, viscosity, droplets and emulsion condition | Feed preparation and handling |
| Drying process | Equipment, inlet/outlet temperature, feed and atomization settings | Process-dependent powder performance |
| Powder target | Encapsulation, core content, moisture and dispersion requirements | Measurable acceptance criteria |
| Storage & use | Packaging, storage conditions and final application | Relevant quality changes over time |
E1450 / Starch Sodium Octenyl Succinate
Explore OSA-modified starch as part of a wall-material system. Discuss the specific grade, preparation requirements and intended application with Tianjiang.
View E1450 product information →Match the Grade to Your Wall System
Share the core, current blend, feed conditions and powder target. Use application trials to establish the appropriate grade and formulation.
Discuss your wall-material system →The modification type alone does not specify an encapsulation efficiency, storage life or universal blend ratio. Confirm suitability for the specific grade, core and process.
Tianjiang’s Guide to Microencapsulation Evaluation
Compare loading and wall systems, then evaluate the powder against your own process and application targets.
Model Formulation and Drying Conditions
MCT oil core; 40% total solids. Each functional wall material was blended 1:1 with maltodextrin (MD). Premixing: 15,000 rpm, 3 min; homogenization: 500 bar, three passes. Spray-drying inlet: 150°C; outlet: 95 ± 5°C. Wall-to-oil ratios are mass ratios.
Compare Wall-to-Oil Ratios
OSA starch/MD system.
| Wall:oil | Encapsulation efficiency (%) | Powder yield (%) |
|---|---|---|
| 1:1 | 83.92 ± 0.19 | 88.57 ± 0.46 |
| 2:1 | 98.38 ± 0.01 | 84.83 ± 3.98 |
| 3:1 | 98.87 ± 0.19 | 84.22 ± 1.52 |
Mean values (%); common 0–100% scale. ± terms are shown in the table.
Balance the targetsEncapsulation efficiencies at 2:1 and 3:1 were not significantly different.
Compare Blended Wall Systems
Fixed wall-to-oil ratio of 2:1.
| Wall blend | Encapsulation efficiency (%) | Powder yield (%) |
|---|---|---|
| Gum arabic/MD | 83.95 ± 1.36 | 82.54 ± 3.52 |
| Whey protein isolate/MD | 89.60 ± 0.29 | 86.51 ± 2.41 |
| OSA starch/MD | 98.38 ± 0.01 | 84.83 ± 3.98 |
Mean values (%); common 0–100% scale. ± terms are shown in the table.
Evaluate more than one resultThe two panels examine different factors in the same experimental design.
Read Encapsulation Efficiency and Yield Separately
(Total oil − surface oil) ÷ total oil × 100.
Recovered powder mass ÷ initial feed solids mass × 100.
These model comparisons are not Tianjiang product specifications. Encapsulation efficiency alone does not demonstrate oxidation resistance, flavor retention or shelf life.
Build a Test Plan for Your Product
| Evaluation area | Information to record | Comparison control |
|---|---|---|
| Feed emulsion | Droplet distribution, viscosity, separation and holding time | Same conditioning and test methods |
| Encapsulation | Total core, surface core and the calculation method | Core-appropriate analytical procedure |
| Powder recovery | Collected powder, feed solids and equipment losses | Consistent recovery and mass basis |
| Powder properties | Moisture, water activity, flow and caking | Same storage and sample handling |
| Reconstitution | Wetting, dispersion and reconstituted product state | Same medium, mixing and temperature |
| Storage performance | Core content, oxidation, color or flavor as appropriate | Intended packaging and storage conditions |
From Core Material to Application Trial
Share Your Core and Target
Describe the core, current wall materials, process conditions and powder requirements.
Discuss Wall Material Options
Contact Tianjiang to review candidate grades, available technical information and sample needs.
Evaluate Your Powder
Compare powder properties and final application performance in your actual process.
Microencapsulation with Modified Starch: FAQs
What Is the Role of Modified Starch in Microencapsulation?
Discuss the specific starch grade as part of the wall-material system. Evaluate the feed emulsion, encapsulation performance and powder properties in the intended process.
How Is Microencapsulation Different from Emulsification?
Emulsification prepares an oil-and-water dispersion. Microencapsulation adds a further objective: incorporating the core into a matrix and evaluating the resulting powder. A successful feed emulsion alone does not confirm powder quality.
Can OSA Starch Be Blended with Maltodextrin?
OSA starch and maltodextrin can be considered as a blended wall system. Establish the blend ratio, total solids and preparation method through grade-specific technical information and application trials.
How Should the Wall-to-Core Ratio Be Selected?
Compare a defined range using the actual core, wall system and drying process. Balance encapsulation, loading, feed properties and powder recovery rather than choosing solely by one result.
Does High Encapsulation Efficiency Mean Longer Shelf Life?
Encapsulation efficiency does not by itself establish shelf life. Select storage measurements relevant to the core, such as content, oxidation, color or flavor, and use the intended packaging and conditions.
What Information Is Needed for a Recommendation?
Start with the core, target loading, current wall materials, feed solids, homogenization, drying conditions and desired powder properties. Include the intended application, packaging and storage requirements.
Find the Right Starch for Your Encapsulation System
Tell us what you want to encapsulate and how the powder will be used. Contact Tianjiang to discuss grade options, technical information and sample availability.
Prefer email? sales@tianjiangmodifiedstarch.com
Helpful Details for Your Enquiry
- Core material and target loading
- Current wall materials and blend ratio
- Feed solids and homogenization conditions
- Spray-drying conditions
- Powder targets and storage requirements
Not sure of every parameter? Start with what you know.