Remember, as marinates are acidic, 15 minutes is as good as 15 hours. The acid reacts with the metaproteins, causing them to contract and seal them eat from deep penetration. Brines saturate the meat, as they contain no acidic ingredients.
A velveting solution contains a little baking soda, which helps tenderize, and cornstarch, which seals in moisture, and acts as a visual agent against over cooking the meat,
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