Mead of the Bell Beaker Culture (c. 2800–1800 BCE). The earliest surviving description of mead is in the hymns of the "Rigveda", one of the sacred books of the historical Vedic religion and (later) Hinduism dated around 1700–1100 BC. During the Golden Age of ancient Greece, mead was said to be the preferred drink. Aristotle (384–322 BCE) discussed mead in his "Meteorologica" and elsewhere, while Pliny the Elder (23–79 CE) called mead "militites" in his "Naturalis Historia" and differentiated wine sweetened with honey or "honey-wine" from mead. The Hispanic-Roman naturalist Columella gave a recipe for mead in "De re rustica", about
Active ingredient now known not to be the "active ingredient" for antidepressant use. Other companies standardize to hyperforin or both, although there may be some 24 known possible active constituents. Many herbalists believe that the active ingredient in a plant is the plant itself. Active ingredient An active ingredient (AI) is the ingredient in a pharmaceutical drug or pesticide that is biologically active. The similar terms active pharmaceutical ingredient (API) and bulk active are also used in medicine, and the term active substance may be used for natural products. Some medication products may contain more than one active ingredient. The traditional word