Name of the science fiction i saw on tv in the 90s or 2000s?

Question

It was about people who ate the same fruit like food bug it tasted different to everyone who ate it. For instance, it tasted like steak to one person. I guess this same food can taste what you think of. 

Answer 1

And for an even more vague question, 'Name the TV show I saw in the 1950's that had only One token black person on it'. 

Answer 2

Sounds like the SyFy movie/miniseries "Riverworld."