When buying fish, I often choose the big-bellied ones because I think they will have more meat and be more nutritious than the small-bellied ones. Is this true? (Phuong, 32 years old, Hanoi )
Reply:
Each type of fish has different nutritional content, whether it is a big belly fish or a small belly fish. Usually, experts will compare the amount of fish meat to evaluate the nutritional content. The more meat, the higher the nutritional content.
From a culinary perspective, a fish with a slim belly will be more delicious than a fish with a big belly, because a fish with a big belly is usually a female fish. If it has eggs, it will have less meat and will not be as delicious because the fish is thin. If the fish does not have eggs but has a big belly, it may contain a lot of fat and organs in its belly.
In addition, the way of farming also affects the taste of the fish. Live and naturally raised fish will be different from industrially raised fish. With industrially raised fish, you should not eat the intestines because it is the digestive organ, which can easily contain heavy metals or parasites. The types of fish organs that can be used are liver, fat and fish eggs.
In particular, note to only use fish that has just been gutted and is still fresh. When preparing, it is necessary to cut open the fish's belly, regardless of whether the belly is big or small, clean the inside, especially the black membrane that causes a fishy smell, which can contain many impurities that are harmful to health.
Associate Professor, Dr. Nguyen Duy Thinh
Institute of Biotechnology and Food Technology, Hanoi University of Science and Technology
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