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  2. Is It Safe to Use Expired Vitamins? The Truth About Vitamin ...

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    Here, doctors explain how long most vitamins last and any risks associated with taking expired vitamins. How can you tell if they’re safe past their expiration dates? Here, doctors explain how ...

  3. Conservation and restoration of parchment - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    Parchment can also be stored in envelopes constructed out of polyester sheets. [16] For the long-term preservation of organic material like parchment, the ideal temperature range is 10–15 °C (50–59 °F) with a relative humidity level of 30–50%. The ideal storage and display environment is oxygen-free, as oxygen prevalence has been shown ...

  4. How to Tell When Canned Foods Are Still Safe to Eat - AOL

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    How long does canned meat last? Maya Feller is a registered dietitian nutritionist who says: "According to the USDA, canned meats should be stored in a cool and dry place. Canned meats can keep ...

  5. Parchment - Wikipedia

    en.wikipedia.org/wiki/Parchment

    But how long will printing last, which is dependent on paper? For if ... it lasts for two hundred years that is a long time." [17] In fact, high-quality paper from this period has survived 500 years or more very well, if kept in reasonable library conditions. [citation needed]

  6. Parchment paper - Wikipedia

    en.wikipedia.org/wiki/Parchment_paper

    Parchment paper for baking. Parchment paper, also known as baking paper, is a cellulose-based paper whose material has been processed so as to obtain additional properties such as non-stickiness, grease resistance, resistance to humidity and heat resistance. [1] It is commonly used in baking and cooking as a disposable non-stick paper.

  7. 11 Foods You Should Never, Ever Eat Past Their Expiration Date

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    For example, a mayonnaise-based salad dressing is not going to last as long as an oil-based one. 5. Raw meat. ... If it’s past their expiration date, it’s best not to eat them. 9. Pre-packaged ...

  8. Conservation and restoration of illuminated manuscripts

    en.wikipedia.org/wiki/Conservation_and...

    Problems can occur when parchment is exposed to high humidity for a long period of time. For example, collagen in the pages could dissolve and stick together. [11] These problems are further compounded by the fact that pigments do not dye parchment; instead, they lie on the surface of the parchment and so are rather fragile.

  9. Wait—What Happens When You Eat Expired Food? - AOL

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    The chances are that you'll be OK if you consume food that's technically past its expiration date. That's because it's not an expiration date. ... Here’s How Long Meat Really Lasts in the ...