Why is Deli Roast Beef Golden and Shiny?!

Question: The Roast Beef at the local deli is golden and shiny. What's with the golden flakes in the roast beef? Homemade roast beef never has this golden quality... What gives?

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Answers: The Roast Beef at the local deli is golden and shiny. What's with the golden flakes in the roast beef? Homemade roast beef never has this golden quality... What gives?

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Muscle meat is tightly packed fibers. When these are sharply cut they look metallic/ rainbow effect.

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It's brushed with oil which helps the beef from drying out.

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