Is there a limit to how much protein the body can use in a single meal? | Wannabebig

Is there a limit to how much protein the body can use in a single meal? | Wannabebig: "A longstanding belief in fitness circles is that the body can only use a certain amount of protein per meal, and the excess is either oxidized or excreted. The ballpark range thrown around is 20-30 grams, with 30 grams being perhaps the most common figure."