17thcentury 1996f-428 2003n-530 610 asia ayurvedic chinese congresses earlyworksto1800 eastasia etc ethnobotany functionalfood functionalfoods handbooks herbs history japan manuals medicinal medicine nepal nutritionalphysiologicalphenomena oriental plants primaryhealthcare qv770jn4m266p2002 science southeastasia therapeuticuse wb50ja1p291985 wb50jj3l8e1980