Herbal caffeine substitute composition, useful in coffee substitutes with stimulant action, comprising combination of plant extracts containing flavoglycosides, ginkgo-lactone and puerarin compounds

摘要

A herbal caffeine substitute composition (I) consists of three plant extracts, respectively containing (a) flavoglycoside(s) selected from quercetin, quercetagetin, ginkgetin, biloa, isorhamnethin, kaempferol, rutin, isoginkgetin and/or ginnol, (b) ginkgo-lactone and (c) puerarin, acetyl-puerarin and/or puerarin-xyloside. Independent claims are included for: (1) a herbal caffeine substitute composition (I') comprising Ginkgo biloba extract (GBE) and 'kudzu' (Pueraria) extract (KE); and (2) a liquid drink composition (II), suitable for human consumption, having a liquid base including GBE and KE.