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The original was posted on /r/todayilearned by /u/tyrion2024 on 2025-01-28 11:28:13+00:00.

Original Title: TIL a 1896 study found that 90% of all commercial ketchups contained “injurious ingredients” that could lead to death. So “at a time when no one else cared” Henry Heinz was obsessed with making products as pure as possible. His see-through bottles were a design statement: purity through transparency