From the foreword: "The literature on Dravyaguna starts from Vedic period with simple naming the medicinal plants. Dravya is one which is substraction or abode for Guna (qualities and action) which is a concomitant cause in the matter. Dravyaguna deals with diet and drugs beside nomenclature, identification, synonyms, botanical structure and ecological status etc. Due to continued efforts of researchers and practitioners adequate knowledge has generated about the medicinal plants, their used for nutrition and health care.
The book describes basic concept of Dravyaguna and vividly presents comprehensive information on nomenclature, botanical identification, therapeutical uses and doses etc."