Why is salmon so delicious?

When you put food in your mouth, the components that are dissolved by your saliva are called extract components. Extract components include mainly free amino acid and inosinic acid as well as organic-based components such as adenosine triphosphate-related substances, creatine and trimethylamine oxide. Extract components are important components that make up the flavor of foods.

When we looked up the extract component composition of the muscle of chum salmon, sockeye salmon, coho salmon and king salmon, which are all types of salmon, the component composition of chum salmon, sockeye salmon, coho salmon and king salmon are all similar.

The taste of fish is much lighter in comparison to the muscle meat of shrimp, crab and squid types of seafood. By combining extract components, shrimp, crab and squid flavors can be reproduced, but the relationship between the flavor extract components and fat in fish meat plays an important role in taste. The fat of fish gives it a rich flavor, illustrated by the fact that compared to the back meat of fish, the taste of the belly meat, which is abundant in fat to protect the organs, has a richer flavor.

The difference between the muscle of salmon and tuna is that salmon tends to have a lower inosinic acid content. Although not unique to salmon, the delicious taste of fish meat is related to the amount of inosinic acid and the amount of fat. Umami is mainly made up of inosinic acid is strongly related to fat and in case of inosinic acid content is high, it doesn’t feel “fatty” even with high-fat content. Instead, the fat makes it more pleasant and delicious.

On the other hand, when the inosinic acid content is low, a high-fat content doesn’t really translate into a pleasant taste. In the case of farmed fish, where high importance is attached to the weight of the fish when it is shipped, even if the fat content is high, if the inosinic acid level is low, then the fatty aspect does not translate into deliciousness, which is likely what leads to the opinion that the flavor of farmed fish is inferior to wild fish.

In the case of salmon variations, the inosinic acid content is low compared to tuna variations, and generally, the optimal amount of fat for delicious salmon is 4 to 6%. With tuna, the general idea is, the more fat, the more delicious, but this is not true for the taste of salmon.

Fat on animals that live above ground hardens when refrigerated. This creates an unpleasant waxy texture when eaten. However, as fish live in the frigid ocean waters, their fat doesn’t harden, even when stored at about -18℃. The most appealing aspect of salmon is thought to be that it goes well with shari (vinegared rice). The meat is soft and the fat has a low melting point, so it blends easily with shari and emits a sweetness when you bite. This is a sensation you won’t find with much other fish.


We hope this information will be helpful.

Revision date: February 9, 2021

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