About 50 essential oils are prepared. Sometimes these herbal oils are used as food additives. My successive notes here are to summarize their medicinal properties, the synergic effects of their combinations and try to interpret how they affect on human body system in perspective of antique natural philosophy. 1) Western theory of four humors, 2) Five tastes defined based on the Eastern five element theory 3) the characteristics defined in modern perfumes and foods, and 4) the organic correlation with chemical compositions.
