Although Planet's native life is based, like Earth's, on right-handed DNA, and codes for all the same amino acids, the inevitable chemical and structural differences from a billion years of evolution in an alien environment render the native plant life highly poisonous to humans. Juicy, ripe grenade fruits may look appealing, but a mouthful of organonitrates will certainly change your mind in a hurry.
~ Lady Deirdre Skye ‘A Comparative Biology of Planet’