⚡ Index-Expert™ #06 — Symptoms, Manufacturing Defects and Vigilance • DEFAUT_AFFINAGE_CROUTE

Psychrotrophic ropy slime, souring and vacuum-pack blowing NSLAB agent

Exsudat visqueux et filant (ropiness) entre les tranches, goût aigre-piquant, léger bombement des sachets et parfois verdissement par peroxyde d'hydrogène

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

🔍 Clinical, Sensory & Functional Diagnosis

Exsudat visqueux et filant (ropiness) entre les tranches, goût aigre-piquant, léger bombement des sachets et parfois verdissement par peroxyde d'hydrogène

🧬 Biochemical, Enzymatic & Genetic Mechanism

Synthèse d'exopolysaccharides (dextranes et hétéropolysaccharides), voie de l'arginine désiminase (ADI : libération de NH3 et CO2) et production d'H2O2

🌡️ Physicochemical Parameters & Target Matrices

Conservation sous emballage réfrigéré et affinage froid (5 à 35 jours) • Psychrotrophie marquée (croissance active dès 0-4 °C), halotolérance (jusqu'à 8 % NaCl), recontamination sur les lignes de tranchage et de conditionnement

🛡️ Cellar Protocol, Prophylaxis & Biocontrol

Assainissement strict des trancheuses et lignes de conditionnement, maîtrise de la chaîne du froid (0-4 °C) et sélection de flores de bioprotection non filantes

📚 Specialized Sources & Publications (HAL-INRAE, UniProtKB, DOI, PubMed)

PMID:16267320 ↗ • DOI:10.1038/nbt1160 ↗

🧀 Associated Cheeses & Matrices (1)

🧀 Mozzarella Cheese Card →
Matrice sensible : Agent lactique psychrotrophe de glaire filante, de post-acidification et de gonflement sous film

🦠 Living Taxa Linked to This Concept / Symptom (1)

🔮 Other Cards in Index-Expert™ #06 — Symptoms, Manufacturing Defects and Vigilance (334)

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🦠)