Ko te roanga o te tiaki i nga harore tetere kingi ka whakawhirinaki ki nga tikanga rokiroki me nga maimoatanga i muri i te hauhaketanga. Kei raro nei nga kawa papai e tautokohia ana e nga rangahau tiaki kai (IFT, 2022) me nga aratohu USDA:
1. Whakamao Paerewa
- Te pāmahana: 0–2°C (±0.5°C)
- Te haumākū: 90–95% RH
- Te takai: Peeke polyethylene poka (5–8 rua/cm²)
- Te Ora Papa:
- Te harore katoa: 12–14 ra (mate taimaha <3%)
- harore tapatapahi: 7–9 ra (te tatau microbial whakahaeretia <10⁴ CFU/g)
Take Matua: CO₂ kukū ≤2000 ppm hei aukati i te manawa anaerobic.
2. Whakarerekehia te Huringa Huringa (MAP)
- Te Hanga Hau: 5% O₂ + 10% CO₂ + 85% N₂
- Momo Kiriata: BOPP/PE kiriata whakakikoruatia (OTR: 3000–4000 cm³/m²·24h·atm)
- Te Ora Papa:
- 18–21 ra (karekau he parauri, he kikokore ranei)
- Kua whakahekehia te mahi polyphenol oxidase e 65%
Whakamana: Ko nga whakamatautau ATP bioluminescence e whakau ana i te hou (RLU <800).
3. Korehau Precooling + Whakatio
- Te whakamatao o mua: Whakaitihia te mahana matua ki te 4°C i roto i te 30 meneti
- Whakamaeke: IQF i -35°C → Rokiroki i -18°C
- Te Ora Papa:
- 10–12 marama (te pupuri kakano >80%)
- Kaore he mate matūkai nui (pūmua ≥92%, polysaccharides ≥88%)
Mana Kounga: Ko te whakamahana (95°C/2 min) i mua i te mīti ka aukati i te parauri enzymatic.
4. Hangarau Whakakikorua Kai
- Tātai paninga: 1.5% chitosan + 0.2% nano-SiO₂
- Nga painga:
- Ka whakaroa te whakatuwheratanga o te potae ma te 5-7 ra
- Ka whakaheke i te reanga manawa ma te 40%
- Ka mau tonu te pakari (≥12 N te kaha wero)
Te wa tuku: Mei-28-2025