Final answer:
The main flavor profile of gin is derived from juniper berries, which give it its signature pine and herbaceous notes.
Step-by-step explanation:
The main flavor profile of gin comes predominantly from juniper berries. These small, dark berries are responsible for giving gin its characteristic pine and herbaceous flavor notes. Juniper is such a fundamental ingredient in gin that in many places, the presence of juniper is a legal requirement for a spirit to be classified as gin. In addition to juniper, other botanicals such as coriander, angelica root, citrus peel, and sometimes even floral or more exotic spices can be used to create different gin flavor profiles.