Trawling Seafrozen Nees Mackerel

Nees mackerel yog cov ntses muaj roj tsawg (7-24% rog raws caij nyoog). Thaum lub sij hawm khov ntawm -18 degree, cov roj unsaturated tau maj mam oxidation (rancidity), uas ua rau off-flavors thiab stale tsw tom qab 12-15 lub hlis. Trawling tsis nrawm oxidation piv rau lub teeb ntes; Qhov tseem ceeb tshaj plaws yog cia kub stability. Txhawm rau kom ua tiav lub neej txee rau tib neeg noj, siv li ntawm 12 lub hlis; rau cov ntses los yog cov zaub mov tsiaj, 24 lub hlis tau txais. Nqus-packing los yog BQF blocks (tsawg nto raug) qeeb oxidation zoo dua IQF.

Nees mackerel (Trachurusspp.) raug cais raws li hom tshuaj histamine-forming (scombrotoxin). EU kev tswj hwm (EC) 2073/2005 teeb tsa cuaj qauv phiaj xwm nrog qhov kev txwv ntawm 100 mg / kg thiab qhov siab tshaj plaws ntawm 200 mg / kg. Lub US FDA tsis ntev los no txo ​​nws cov qib ua haujlwm rau 35 ppm. Histamine yog cua sov-ruaj khov thiab tsis rhuav tshem los ntawm kev ua noj lossis khov - nws yuav tsum tau tswj cov dej ntws los ntawm kev ceev ceev tom qab ntes. Trawling tuaj yeem ua rau muaj kev ntxhov siab thiab ua rau muaj kab mob ntau dua, ua rau lub nkoj ceev ceev thiab khov heev. Cov neeg yuav khoom yuav tsum tau batch-specific histamine test reports from accredited labs.

XaivBQF (thaiv ceev khov)Yog tias koj ua cov khoom loj ib zaug, xws li cov kaus poom, surimi, lossis ntses ntses - koj tuaj yeem thaw tag nrho cov blocks hauv chav tempering lossis ncaj qha pom cov blocks khov rau hauv feem. BQF txo tus nqi thauj khoom los ntawm 10-15% vim tias ntim ntim ntau dua. XaivIQFYog tias koj xav tau kev tswj hwm ib feem (xws li, khw noj mov, cov khw muag khoom, lossis cov khoom me me) - koj tuaj yeem nqa cov ntses uas xav tau yam tsis muaj thawing tag nrho lub thawv. IQF raug nqi ntau dua ib kg tab sis txo cov khib nyiab. Rau cov nroj tsuag sib xyaw siv, kev yuav ob hom ntawv yuav yog qhov zoo tshaj plaws.