1. Protein Content
The protein content of fish sauce is an important factor to consider when assessing its quality and safety. The protein content is usually indicated on the product packaging. Before purchasing, you should familiarize yourself with the protein content and amino acid index. This includes factors such as pH level, salt content, total nitrogen, formol nitrogen ratio, and NH3 nitrogen ratio. Traditional fish sauce typically has a protein content ranging from 30 to 45 degrees.
2. Color
The color of fish sauce can provide insights into its quality, safety, and taste. Good fish sauce typically has a golden brown, reddish brown, amber, or straw yellow color. It should not appear turbid. Dark green color indicates spoilage and should be avoided. When examining the color, it is recommended to place the fish sauce bottle in front of a light source, preferably natural light like sunlight.
3. No Sediment or Cloudiness
Aside from color, it is also important to check for sediment or cloudiness when the fish sauce bottle is inverted. Vigorously shake the bottle and observe any sediments floating at the bottom. Sediments indicate signs of precipitation and should be avoided. The presence of salt and other additives added during the packaging process may contribute to the formation of sediments.
4. Pleasant Aroma and Taste
The aroma and taste of the fish sauce are significant indicators of its quality. Good fish sauce has a gentle and mild aroma that is distinct. It should also have a savory and sweet taste that gradually permeates the throat, leaving a lingering pleasant sensation. Avoid fish sauce that tastes excessively salty or exhibits strange sweet tastes, as these may indicate low protein content or the use of unhygienic additives.
5. Clear Origin and Brand
The clarity of the origin and brand is an essential consideration when choosing fish sauce. It ensures the safety and quality of the product. Look for fish sauce that clearly states its origin and bears a reputable brand. Verified certifications and adherence to quality standards demonstrate the company’s commitment to consumer safety and satisfaction.
6. No Harmful Additives or Preservatives
Traditional fish sauce products are typically free from preservatives and additives. They are made solely from fermented fish and sea salt, using natural fermentation methods. Avoid fish sauce that contains artificial protein enhancers, sweeteners, or any other unguaranteed hygienic additives.
It is also advisable to seek advice from experienced cooks or individuals with extensive experience in the fish sauce industry when choosing fish sauce. Their expertise can help you make the right choice and enjoy the best fish sauce for your needs from the wide variety available on the market.
Th? Gi?i Di Ð?ng has provided these 6 tips for choosing delicious, high-quality, and safe fish sauce.
Reference information and images from: toplist.vn and vfa.gov.vn.
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