What question did this study set out to answer?

To evaluate the effects of vacuum freeze-drying and spray-drying combined with maltodextrin or β-cyclodextrin carriers on the structural, sensory, and functional properties of fermented cactus fruit postbiotic powders.

August 20, 2026FoodsOpen Access

Effects of Vacuum Freeze-Drying and Spray-Drying Coupled with Maltodextrin and β-Cyclodextrin on Cactus (Opuntia ficus-indica) Postbiotic Powders

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Authors

YRYuhui RenHainan University SRSiyu RenHainan University JLJiahe LiSun Yat-sen University

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Implication

Comparative study demonstrates that drying methods and carrier formulations alter cactus postbiotic powder properties, suggesting tailored strategies optimize functional quality.

Key Points

To evaluate the effects of vacuum freeze-drying and spray-drying combined with maltodextrin or β-cyclodextrin carriers on the structural, sensory, and functional properties of fermented cactus fruit postbiotic powders.
Fermented Opuntia ficus-indica fruit juice with Lacticaseibacillus paracasei HNU502, inactivated the culture to produce postbiotic broth, and processed it using vacuum freeze-drying or spray-drying with maltodextrin or β-cyclodextrin.
Characterized powder properties using X-ray diffraction (XRD), scanning electron microscopy (SEM), Fourier-transform infrared spectroscopy (FTIR), differential scanning calorimetry (DSC), sensory evaluation, and antioxidant assays.
Vacuum freeze-drying coupled with β-cyclodextrin achieved the highest powder crystallinity at 77.4% alongside distinct structural and favorable sensory properties.
Spray-drying with β-cyclodextrin yielded the highest sensory score of 74.75 along with high radical scavenging activity and strong antioxidant performance.
All tested formulations showed thermal stability with no exothermic degradation occurring below 180 °C via DSC analysis.

Cite This Study

Ren et al. (2026) studied this question.

synapsesocial.com/papers/6a86b5c58a91293e6a1cd4e7 https://doi.org/10.3390/foods15162890

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Implication

Comparative study demonstrates that drying methods and carrier formulations alter cactus postbiotic powder properties, suggesting tailored strategies optimize functional quality.

Effects of Vacuum Freeze-Drying and Spray-Drying Coupled with Maltodextrin and β-Cyclodextrin on Cactus (Opuntia ficus-indica) Postbiotic Powders

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Implication

Key Points

Cite This Study

Effects of Vacuum Freeze-Drying and Spray-Drying Coupled with Maltodextrin and β-Cyclodextrin on Cactus (Opuntia ficus-indica) Postbiotic Powders

Discussion

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Implication

Key Points

Cite This Study

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