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⚡ Index-Expert™ #06 — Symptoms and manufacturing defects • DEFAUT_PATE_GAZ_FENTES 🔎 Proof & Primary source (idx06:agent-secondaire-du-gonflement-butyrique)

Secondary butyric blowing defect agent

Ouverture irrégulière précoce à intermédiaire, cavernes gazeuses, goût rance et piquant d'acide butyrique

🧀 0 concerned cheese(s) & family(ies)  •  🦠 1 linked living taxon(s)

🌡️ Target physicochemical parameters

Début à milieu d'affinage (2 à 6 semaines) • T° > 15 °C, pH > 5.4, sucres résiduels (galactose ou lactose non épuisés), anaérobiose

🛡️ Cellar protocol & prophylaxis

Épuisement complet des sucres fermentescibles (souches Gal+), acidification rapide sous presse, bactofugation du lait

🔬 Biochemical & molecular mechanism

Fermentation des glucides résiduels et du lactate via la voie de la butyrate kinase (buk) avec dégagement de CO2 et H2

📚 Specialized INRAE / PubMed / UniProt references

PMID:20382436 🔎 • DOI:10.1016/j.ijfoodmicro.2010.02.020 🔎 • HAL-INRAE:hal-02732732 🔎

🦠 Associated NCBI Living Taxa (1)

Species, subspecies and strains linked in the NCBI 2026 taxonomic core:

🔮 Other concepts & symptoms in Symptoms and manufacturing defects

⚡ Halotolerant cheese-brine and slimy ammoniacal smear defect agent (5🧀 / 1🦠) ⚡ Red cellar spot (orange-red rind pocking) fungal agent (5🧀 / 1🦠) ⚡ Extreme halophilic brine turbidity, slimy smear and putrid off-odor agent (4🧀 / 1🦠) ⚡ Arthroconidial yeast-like greasy smear, wrinkled rind and ammoniacal off-odor agent (4🧀 / 1🦠) ⚡ Rind swarming, ammoniacal (4🧀 / 1🦠) ⚡ Putrid, fecal and barnyard rind off-odor agent (4🧀 / 1🦠) ⚡ Late butyric blowing defect agent (4🧀 / 1🦠) ⚡ Halotolerant dark-brown powdery rind scab and ammoniacal off-odor fungal agent (4🧀 / 1🦠) ⚡ Extreme xerophilic grey-green and yellow-cleistothecial rind mold on aged hard cheeses (4🧀 / 1🦠) ⚡ Heterofermentative NSLAB secondary gas-blowing, histamine and pinking defect agent (3🧀 / 2🦠) ⚡ Halophilic basidiomycetous yeast brine contaminant and chalky-yellow smear defect agent (4🧀 / 1🦠) ⚡ Halophilic cheese-brine pellicle, turbidity and brine deacidification yeast agent (4🧀 / 1🦠) ⚡ NSLAB post-acidification, calcium lactate crystal efflorescence and tyramine agent (3🧀 / 2🦠) ⚡ Salmonellosis foodborne pathogen (4🧀 / 1🦠) ⚡ Propionic orange-red spot and late split defect agent (4🧀 / 1🦠) ⚡ Halotolerant psychrotrophic floral (4🧀 / 1🦠) ⚡ Major co-agent of late butyric blowing defect (4🧀 / 1🦠) ⚡ Musty off-odor and slimy rind agent (4🧀 / 1🦠) ⚡ Putrescine accumulation agent (3🧀 / 2🦠) ⚡ Putrid off-odor and putrescine accumulation agent (4🧀 / 1🦠) ⚡ Halophilic brine slime, sticky smear and sulfurous-putrid off-odor agent (3🧀 / 1🦠) ⚡ Putrid, ammoniacal (3🧀 / 1🦠) ⚡ Putrid-fecal smear off-odor and reddish-brown sub-rind discoloration agent (3🧀 / 1🦠) ⚡ Brine flower (mycodermic film) and solvent off-flavor yeast agent (3🧀 / 1🦠) ⚡ Blue-green mold spot and musty (3🧀 / 1🦠) ⚡ Unwanted propionic late blowing and split defect agent in non-eye cheeses (3🧀 / 1🦠) ⚡ Cheese brine film-forming and brine deacidification agent (3🧀 / 1🦠) ⚡ Plant-borne coliform early blowing and yellow cortical spot defect agent (3🧀 / 1🦠) ⚡ Waterborne psychrotrophic enteropathogen and proteolytic slime spoilage agent (2🧀 / 2🦠) ⚡ Extreme xero- and halophilic chocolate-brown rind spot mold and walleminol mycotoxin agent (3🧀 / 1🦠) ⚡ Pink powdery rind mold and bitter trichothecene mycotoxin agent (3🧀 / 1🦠) ⚡ Halotolerant turquoise-green rind mold with reddish exudate on salted (3🧀 / 1🦠) ⚡ Halotolerant white chalky rind scab and ammoniacal surface defect fungal agent (3🧀 / 1🦠) ⚡ Major halotolerant rind mold and high-level ochratoxin A (OTA) mycotoxin agent (3🧀 / 1🦠) ⚡ Extremely halotolerant black yeast brine contaminant and dark rind spot agent (3🧀 / 1🦠) ⚡ Psychrotolerant cheese rind spoilage mold and chaetoglobosin mycotoxin agent (3🧀 / 1🦠) ⚡ Psychrotolerant rose-yellow cottony rind rot and enniatin (3🧀 / 1🦠) ⚡ Psychrotolerant blue-grey rind spot mold and penicillic acid mycotoxin agent (3🧀 / 1🦠) ⚡ Psychrotolerant dark-green rind spot mold and cyclopiazonic acid mycotoxin agent (3🧀 / 1🦠) ⚡ Psychrotolerant and halotolerant dark blue-green rind spot mold agent (3🧀 / 1🦠)