Abstract
The selective far-infrared (FIR) heating concept was applied to inactivate spores of Aspergillus niger and Fusarium proliferatum in corn meal. The selective heating method proposed denatures protein constituents in the spectral range between 5.88 and 6.66 μm, demonstrating an enhanced (∼40% in 5 min heating) lethality, compared to normal infrared (IR) radiation. A thermal death kinetics model based on the dynamic temperature profile to predict survivors under time varying conditions was developed to validate the selective IR heating process. The proposed dynamic thermal death kinetics model concept can be extended to other inactivation process.
| Original language | English (US) |
|---|---|
| Pages (from-to) | 1407-1412 |
| Number of pages | 6 |
| Journal | Transactions - American Society of Agricultural Engineers: General Edition |
| Volume | 46 |
| Issue number | 5 |
| DOIs | |
| State | Published - Sep 2003 |
| Externally published | Yes |
Keywords
- Aspergillus spp.
- Far infrared
- Fusarium spp.
- Lethality
- Modeling
- Selective heating
ASJC Scopus subject areas
- Agricultural and Biological Sciences (miscellaneous)
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