Article: Wanted: enzymes--dead or alive?(Chemfusion)

"Just try it once please, just try it," the lady pleaded with me. "OK," I finally said, hoping to bring the discussion to an end. She opened the thermos bottle she had been clutching and poured me a glass of a green liquid, assuring me that she had squeezed the wheatgrass barely an hour ago. I could therefore be confident, she said, that the enzymes in it were still alive! Well, dead or alive, they certainly did nothing for the taste of the beverage. This wheatgrass juice was one of the foulest things I've ever tasted. Of course, I was quickly assured that I was not drinking it for taste; I was drinking it for health.

This gustatory calamity followed on the heels ...

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