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But all three experts say they do, in fact, go bad. “Jarred condiments and salad dressings often contain preservatives, but once expired, their effectiveness diminishes,” Smith says.
The USDA estimates that 30% of the food supply is wasted at the retail and consumer level due to confusion about the expiration dates on food products.
Most vitamins are considered safe for up to two years past their expiration date (unless they contain mold), but may become less potent over time. Pregnant women and people in need of regular ...
[1] [4] When fine cornmeal is made from maize that has been soaked in an alkaline solution, e.g., limewater (a process known as nixtamalization), it is called masa harina (or masa flour), which is used for making arepas, tamales, and tortillas. [5] Boiled cornmeal is called polenta in Italy and is also a traditional dish and bread substitute in ...
The fresh masa can be sold or used directly, or can be dehydrated and blended into a powder to create masa harina, or masa flour. Lime and ash are highly alkaline: the alkalinity helps the dissolution of hemicellulose , the major glue-like component of the maize cell walls, and loosens the hulls from the kernels and softens the corn.
An expiration date or expiry date is a previously determined date after which something should no longer be used, either by operation of law or by exceeding the anticipated shelf life for perishable goods. Expiration dates are applied to some food products and other products like infant car seats where the age of the product may affect its safe ...
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The expiration date of pharmaceuticals specifies the date the manufacturer guarantees the full potency and safety of a drug. Most medications continue to be effective and safe for a time after the expiration date. A rare exception is a case of renal tubular acidosis purportedly caused by expired tetracycline. [9]