Since ancient times, mankind has used plants as a valuable source of natural products for maintaining human health and to treat or prevent diseases. The common knowledge around plants' healing properties, known as folk medicine, has been transmitted over the centuries for generations throughout human communities. The use of natural products and herbal medicines have been documented in the past. The antibacterial activity of plant extracts has been reported since the late 1800s and some of these traditional medicines are still used, especially in the last decade, with more intensive studies...