Peppermint Oil (Mentha piperita)

Peppermint leaves were found in Egyptian pyramids dating back to 1000 b.c. The ancient Greeks and Romans valued it as a stomach soother. During the eighteenth century. Archaeologists have discovered 3,000-year-old dried peppermint leaves in the inner chambers of Egyptian pyramids. The oil that could be extracted from the leaves was considered very valuable, and rulers wanted to bring as much wealth with them to the afterlife as they could.