27. Thermophilic Anaerobic Sporeformers

Enache, Elena; Podolak, Richard

doi:10.2105/mbef.0222.032

Cited by 1 publication

(1 citation statement)

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“…Further investigation into C. thermosaccharolyticum , later renamed to Thermoanaerobacterium thermosaccharolyticum , led to a study by Enache and Podolak (2013) in which they obtained the same results and cited that their Z‐values were between 6 and 7°C and also demonstrated a resistance to pressure‐assisted thermal processing (PATP).…”

Section: Assessmentmentioning

confidence: 99%

Evaluation of a multi‐step catalytic co‐processing hydrotreatment for the production of renewable fuels using Category 3 animal fat and used cooking oils

Koutsoumanis¹,

Allende²,

Bolton³

et al. 2022

EFS2

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An alternative method for the production of renewable fuels from rendered animal fats (pretreated using methods 1–5 or method 7 as described in Annex IV of Commission Regulation (EC) No 2011/142) and used cooking oils, derived from Category 3 animal by‐products, was assessed. The method is based on a catalytic co‐processing hydrotreatment using a middle distillate followed by a stripping step. The materials must be submitted to a pressure of at least 60 bars and a temperature of at least 270°C for at least 4.7 min. The application focuses on the demonstration of the level of reduction of spores from non‐pathogenic spore‐forming indicator bacterial species (Bacillus subtilis and Desulfotomaculum kuznetsovii), based on a non‐systematic review of published data and additional extrapolation analyses. The EFSA BIOHAZ Panel considers that the application and supporting literature contain sufficient evidence that the proposed alternative method can achieve a reduction of at least 5 log10 in the spores of B. subtilis and a 12 log10 reduction in the spores of C. botulinum. The alternative method under evaluation is considered at least equivalent to the processing methods currently approved in the Commission Regulation (EU) No 2011/142.

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Section: Assessmentmentioning

confidence: 99%