● Scientific name: Trachurus Japonicus
● Common size: Various weights (e.g., 4-6pcs/kg, 8-10pcs/kg, 10-12pcs/kg)
● Common packaging: 10kg/ctn or customized
OEM is accepted (tag/label/logo...)
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Sea Frozen Jack Mackerel
Sea frozen jack mackerel represents the gold standard in freshness preservation, as the fish are instantly frozen onboard the fishing vessel immediately after being hauled from the water. This at‑sea freezing approach eliminates the critical time lag between capture and processing – often several hours or even days in land‑based operations – during which enzymatic activity and bacterial growth can begin to degrade quality. Within minutes of landing on deck, our jack mackerel are sorted, washed, and transferred to onboard blast freezers or plate freezers, where temperatures plummet to -35°C or lower. The rapid temperature drop forms microscopic ice crystals that do not rupture cell walls, effectively locking in the fish's ultra‑fresh original taste, tight meat texture, and full spectrum of natural nutrients.The result is a product that, when thawed, is remarkably close to a just‑caught fish. The flesh remains firm, springy, and succulent, with a clean, briny‑sweet flavour that reflects the pristine oceanic environment where the fish were harvested. Unlike fish that have been stored on ice for extended periods before reaching a shore‑based plant, sea frozen jack mackerel exhibits no signs of softening, drying, or off‑odour development. The tight meat texture holds up exceptionally well during cooking, making it a favourite among chefs who value both flavour and structural integrity.Nutritionally, sea frozen jack mackerel is a powerhouse. It delivers high‑quality complete protein, long‑chain omega‑3 fatty acids (EPA and DHA), vitamin D, vitamin B12, selenium, phosphorus, and niacin – all preserved at peak levels because the freezing occurs before any nutrient‑depleting enzymatic breakdown can occur. This makes it an excellent choice for health‑conscious consumers and institutional meal programmes.
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FAQ
FAQ
01.What is the main advantage of sea freezing over land freezing for jack mackerel?
Sea freezing occurs within minutes of capture, while land freezing involves holding the fish on ice or in chilled seawater for several hours (sometimes up to 24‑48 hours) before shore‑based processing. This time gap allows enzymatic and bacterial activity to start, which can soften the flesh and dull the flavour. Sea freezing captures the fish at its absolute peak, resulting in firmer texture, brighter colour, and a cleaner, more vibrant taste. It also reduces histamine formation risk – a critical food safety factor for dark‑fleshed fish.
02.Does sea frozen jack mackerel require a different thawing procedure compared to land‑frozen fish?
No – the thawing principles are the same. For optimal texture, slowly thaw the fish in a refrigerator (0–4°C) for 8‑12 hours. For quicker turnaround, submerge the sealed package in cold running water for 20‑30 minutes. Avoid warm water or microwave thawing, as these can cause uneven temperature changes that may affect the firm texture. Since sea‑frozen fish already have superior cell integrity, they are actually more forgiving to gentle thawing.
03.Can sea frozen jack mackerel be eaten raw or used in high‑end sashimi preparations?
Yes – provided that the freezing protocol meets parasite destruction standards (typically -20°C or lower for 7 days, or -35°C for 15 hours, depending on local regulations). Our sea freezing process often satisfies these criteria. Many upscale Japanese restaurants specifically seek sea‑frozen "saba" (mackerel) for shime saba (vinegar‑cured) and tataki (lightly seared) preparations. We recommend confirming with your local food safety authority and requesting our parasite‑kill documentation for complete confidence.
04.How does the shelf life of sea frozen jack mackerel compare to land‑frozen products?
When stored at a constant -18°C, both sea‑frozen and land‑frozen products have a similar shelf life of 18‑24 months. However, because sea‑frozen fish start at a higher initial quality, they tend to retain their superior texture and flavour for a longer portion of that period. After 18 months, sea‑frozen fish may still exhibit noticeably better eating quality than land‑frozen fish of the same age.
05.What are the most popular packaging formats for sea frozen jack mackerel in wholesale trade?
Common options include 10 kg and 20 kg cartons with the fish arranged in a solid block (BQF) or as individually layered interleaved portions. For catering, many buyers prefer block format because it maximizes container space and reduces shipping costs. Some premium buyers request vacuum‑sealed individual pouches within the carton for easier portion control. We offer all formats and can customize packaging based on your distribution channel – retail, foodservice, or further processing.