Drop a few grains of cold rice into the bowl of fish sauce. If the rice sinks, it indicates that the fish sauce is of low quality. Conversely, if the rice floats on the surface of the bowl of fish sauce, without any chemicals, it means that it is good fish sauce.
Color
Good fish sauce is yellowish in a clam shell, and red in a bottle. However, over time, the yellow color of traditional fish sauce darken, this is a natural sign of traditional fish sauce.
Protein content
According to Vietnamese standards for fish sauce (TCVN 5107:2003), there are 4 grades: Special grade with protein content over 30No, High grade with protein content over 25No, Grade 1 with protein content over 15No, and 2 additional grades with protein content over 10No. The natural protein content of traditional pure fish sauce is around 30 to 40 No, sometimes reaching 43-45 No (though very rare).
Taste and smell
Good fish sauce usually has a mild, salty, sweet, and savory flavor. If you taste it and find it uncomfortably salty and bitter on the tip of your tongue, there are 2 possibilities: it’s either highly concentrated or contains unsafe additives.
Some other notes:
In addition to the above methods, homemaker can determine if the fish sauce is real or fake by the following methods:
– Shine the fish sauce into the light, then tilt the fish sauce bottle upside down, if there are sediments, it should not be bought.
– Naturally high protein fish sauce usually has a reddish-brown color, ensuring thickness and a strong flavor.
According to Phunutoday.vn
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