R&D - SKS BIO | Microencapsulation Innovation (Full Screen)
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Research & Development

Pioneering microencapsulation technologies for next‑generation aquafeed

Science‑led innovation

Our R&D team focuses on enhancing the bioavailability and stability of functional ingredients in aquatic feeds. We specialise in microencapsulation technologies, strain selection, and process optimisation to ensure that probiotics, enzymes, and nutrients reach the gut alive and active.

With a state‑of‑the‑art lab and pilot-scale extruder, we bridge the gap between laboratory discovery and commercial aquaculture.

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R&D lab concept

featured study

Probiotic microencapsulation

Improving survival in extruded floating pellets for Pangasius

RSM‑Optimized Alginate‑Chitosan Microencapsulation of Multi‑Strain Probiotics
Enhanced viability in high‑temperature extrusion & simulated gastrointestinal conditions

Background: Probiotics in floating pellets often suffer high mortality during extrusion (heat, shear) and upon exposure to stomach acid and bile. We developed a multilayer alginate‑chitosan shell using response surface methodology (RSM) to maximise protection for a consortium of Bacillus, Lactobacillus and Pediococcus strains.

Key outcomes: The optimized microcapsules with Alginate, chitosan, and crosslinked conditions achieved:

Performance gains

  • 88% survival after extrusion (vs. 22% free cells)
  • 94% viability after 2h in simulated gastric fluid (pH 2.0)
  • 91% release in intestinal conditions within 4h
  • 1.8 log CFU/g higher gut colonization in Pangasius feeding trial

This technology enables cost‑effective delivery of multi‑species probiotics in standard floating pellets, opening new possibilities for gut health management in tropical aquaculture.

Read full technical brief
Microencapsulation diagram
Schematic: alginate‑chitosan encapsulated probiotics in feed matrix

RSM optimisation

Alginate 1-3% : Chitosan 0.5-0.8% : CaCl₂ 0.1-0.5M predicted vs actual: R² = 0.97

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