What significant factor related to preservation affects daily sardine intake from canned goods?
Answer
High sodium content added for flavor and preservation
A critical concern when consuming sardines straight from a can, whether packed in water or oil, is the sodium level. Canned products universally require added salt, sometimes significantly, to enhance flavor and act as a preservative agent throughout the shelf-stable period. If an individual consumes multiple cans daily, this single food source can quickly contribute sodium levels approaching or exceeding the recommended 2,300-milligram daily limit for a healthy adult, which poses long-term risks for healthy blood pressure regulation.
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