Rasaratnakara is attributed to the famous Ayurvedic scholar, Rasa Ratnakara, who lived in the 14th century CE. The book is believed to have been written in the year 1310 CE. The author's real name was Sri Narayana Pandita, and he was a resident of Bengal, India. The text is a comprehensive treatise on Ayurveda, covering various aspects of the medical system, including pharmacology, therapeutics, and surgical procedures.