Maximum Shelf Life of King Trumpet Mushrooms (Pleurotus eryngii)

Kusungidwa kwa bowa wa king trumpet kumadalira momwe amasungirako komanso chithandizo chamankhwala pambuyo pokolola. Pansipa pali ndondomeko zokongoletsedwa zothandizidwa ndi maphunziro osunga chakudya (IFT, 2022) ndi malangizo a USDA:

1. Firiji Yokhazikika

• Kutentha: 0–2°C (±0.5°C)
• Chinyezi90-95% RH
• Kupaka: Matumba opangidwa ndi polyethylene (mabowo 5-8/cm²)
• Shelf Life:
  • Bowa lonse: 12-14 masiku (kuchepa thupi <3%)
  • Sliced ​​bowa: Masiku 7-9 (kuwerengera kwa tizilombo toyambitsa matenda <10⁴ CFU/g)

Zofunika Kwambiri: CO₂ concentration ≤2000 ppm kuteteza kupuma kwa anaerobic.

2. Modified Atmosphere Packaging (MAP)

• Mapangidwe a Gasi: 5% O₂ + 10% CO₂ + 85% N₂
• Mtundu wa Mafilimu: BOPP/PE laminated film (OTR: 3000–4000 cm³/m²·24h·atm)
• Shelf Life:
  • Masiku 18-21 (palibe browning kapena sliminess)
  • Ntchito ya polyphenol oxidase yachepetsedwa ndi 65%

Kutsimikizira: Mayeso a ATP bioluminescence amatsimikizira kutsitsimuka (RLU <800).

3. Vacuum Precooling + Kuzizira

• Kuziziritsa: Chepetsani kutentha kwapakati kufika 4°C mkati mwa 30 min
• Kuzizira: IQF pa -35°C → Kusunga pa -18°C
• Shelf Life:
  • Miyezi 10-12 (kusungirako mawonekedwe> 80%)
  • Palibe kutayika kwakukulu kwa michere (mapuloteni ≥92%, ma polysaccharides ≥88%)

Kuwongolera Kwabwino: Blanching (95°C/2 min) musanazizirike kumapangitsa kuti enzymatic browning.

4. Edible Coating Technology

• Coating Formula: 1.5% chitosan + 0.2% nano-SiO₂
• Ubwino:
  • Kuchedwa kapu kutsegula ndi 5-7 masiku
  • Amachepetsa kupuma ndi 40%
  • Imakhazikika (≥12 N puncture force)