Combined ultrasound-hydrothermal pretreatment enhances moisture diffusivity, energy efficiency, and quality retention during hot air drying of holy basil (Ocimum sanctum L.).

Suluh Pambudi, Duanghathai Khamon, Tai Van Ngo, Wanphut Saechua, Jiraporn Sripinyowanich Jongyingcharoen

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Article in Ultrasonics sonochemistry, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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5 · Who and what money

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5 authors.

Suluh PambudiDepartment of Biosystems and Agricultural Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand.

Duanghathai KhamonDepartment of Biosystems and Agricultural Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand.

Tai Van NgoDepartment of Food Technology, School of Food Industry, King Mongkut's Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand.

Wanphut SaechuaDepartment of Biosystems and Agricultural Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand.

Jiraporn Sripinyowanich JongyingcharoenDepartment of Biosystems and Agricultural Engineering, School of Engineering, King Mongkut's Institute of Technology Ladkrabang, Ladkrabang, Bangkok 10520, Thailand. Electronic address: jiraporn.jo@kmitl.ac.th.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Drying of holy basil (Ocimum sanctum L.) is limited by slow internal moisture diffusion and severe degradation of heat-sensitive pigments and bioactive compounds during prolonged thermal exposure. This study investigates the combined effects of ultrasonic and hydrothermal pretreatments on moisture transport, energy efficiency, and quality retention during hot air drying at 60 °C. Ultrasonication (30 and 60 min), hot-water blanching, steam blanching, and their combinations were systematically evaluated through drying kinetics, effective moisture diffusivity (D

Indexed as

AirDesiccationHot TemperatureOcimumUltrasonic WavesWaterDiffusionPeroxidasePeroxidaseWaterEnergy-efficient dehydrationHydrothermal pretreatmentPretreatment combinationQuality retentionUltrasonic pretreatment

Identifiers

PMID42034024

DOI10.1016/j.ultsonch.2026.107865

PMCPMC13129459

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