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258 DESCRIPTIVE CATALOGUE OF AYURVEDIC MANUSCRIPTS श्रीवैद्यकेंद्र (केय)देवविरचिते पथ्यापथ्यविबोधके औषधवर्गः।" First follo mentions the author's name wrongly as 'Kokadeva'. But the Colophon mentions the author's name as Keyadeva and the utle of the MS. as Pathyāpathyavibodhakah. Most probably 'Ratnākaraḥ' or 'Maniratnākaraḥ' is another work of the author. It seems that while he was writing Pathyāpathyavibodhakaḥ, he quoted from Ratnākaraḥ.
The work is often called as 'Kalyadevanighanțuḥ'. It is on dravyagunah, having eight chapters
Auşadhivargaḥ (F. 63a) Dhatuvargah (F.68b) Dhanyavargah (F.72b) Dravavargaḥ (F. 89a) Krtannavargah (F. 97b) Mamsavargah (F. 108a) Vyāvahāravargaḥ (F. 127a) Misravargah (F. 138b)
All the Chapter Colophons mention the work as Pathyāpathyavibodhakaḥ and the author as keyadeva. Date of the scribe, mentioned in the Post-Colophon, is Samvat 1859 - A.D. 1802. In 1928. Acāryya Surendramohan published the work with the Comm. Vivecanātmakah' in which there was only Auşadhivargah, (vide - Āyurveda kā Vaijñānika Itihāsa by P.V. Śarmā, p. 411-412) while Introducing his family the author mentions his father's name a Sāranga (or Sārnga in another MS.) and his grandfather's name as Padmanabha. Beginning :
श्रीगणेशाय नमः ॥ नत्वेकं विश्वरूपं त्रिभु(भु)वनशरणं स्वर्गमोकहेतुं शंभु वाग्देवता र व्यवहरति यथा (या) विश्वमेतनितांत (तम्) । यस्या (स्य) (ध्यानप्रसादात्) ना(प्र)भवति पुरुषः कार्यमेतत अस्य (सर्वकार्यस्य) सिदि कतुं तं देववंचे सुरदुरगवरस्फारभारं गणेशं (शम्) ॥१॥ भारताजपवित्रगोत्रतिलकः श्रीपपनाभो(5)भववेदव्याकृतिनाटकागमकथालंकारपारंगमः ।
