Terpenes are a large class of organic compounds produced by plants, with Myrcene and Limonene as prominent examples. Limonene, a cyclic monoterpene, is commonly found in citrus fruits like oranges and lemons, contributing to their characteristic aroma. It functions as a solvent in cleaning products, a flavoring agent in food and beverages, and has potential therapeutic properties, including anti-inflammatory and antimicrobial effects. Chemically, Limonene is a hydrocarbon with a six-carbon ring and an isopropenyl group, making it highly volatile and lipophilic. Myrcene, an acyclic monoterpene, is prevalent in hops, cannabis, and herbs, often imparting earthy or musky scents, and is studied for its sedative and analgesic properties in aromatherapy. Both compounds play roles in plant defense and attract pollinators. In food science, they enhance flavors and aromas, with Limonene being GRAS (Generally Recognized as Safe) by the FDA for use in food products up to certain limits. Research from peer-reviewed sources, such as the Journal of Agricultural and Food Chemistry, highlights their antioxidant activities and potential in preventing oxidative stress-related diseases. However, their instability under heat and light can lead to degradation products, affecting sensory qualities. Overall, terpenes like these are essential in natural product chemistry, influencing both biological and industrial applications with ongoing studies into their bioavailability and health impacts.