Spray Drying

Ishwarya, S. Padma; Anandharamakrishnan, C.

doi:10.1002/9781118930526.ch5

Cited by 1 publication

(1 citation statement)

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“…In addition, when the sprayed droplets contact hot air, most of the energy is consumed through water evaporation. Therefore, the actual temperature of the heat sensitive material is much lower than the temperature detected by the temperature probe . With an inlet temperature of 200 °C, Obon et al reported that alpha-amylase retained greater than 83% of its original activity after spray drying …”

Section: Resultsmentioning

confidence: 99%

Alginate Particles for Enzyme Immobilization Using Spray Drying

Weng

Ranaweera

Zou

et al. 2022

J. Agric. Food Chem.

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Enzymes are important catalysts for biological processes due to their high catalytic activity and selectivity. However, their low thermal stability limited their industrial applications. The present work demonstrates a simple and effective method for enzyme immobilization via spray drying. Alginate was used as a support material. Phytase, an important enzyme in the animal feed industry, was selected to study the effect of enzyme immobilization using alginate particles on its thermal stability. The physicochemical properties of alginate particles such as size, surface morphology, and heat resistance were studied. Successful immobilization of phytase was confirmed by confocal microscopy, and the immobilized phytase retained 58% of its original activity upon heating at 95 °C, compared to 4% when the alginate support material was absent. Phytase was released promptly in a simulated gastrointestinal tract with >95% of its original activity recovered. The spray drying method for phytase immobilization is scalable and applicable to other enzymes for various applications.

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Section: Resultsmentioning

confidence: 99%