Charak Samhita
यज्जःपुरुषसङ्ख्यातो भद्रकाप्यान्नपानिकौ। विविधाशितपीतीयश्चत्वारोऽन्नविनिश्चयाः ॥४२॥
25. Origin of man and his diseases; 26. Discourse among Atreya, Bhadrakapya, etc. 27. Properties of diets and drinks; 28. Various types of diets and drinks; The above mentioned four chapters constitute the tetrad on dietetics.
english translation
yajjaHpuruSasaGkhyAto bhadrakApyAnnapAnikau। vividhAzitapItIyazcatvAro'nnavinizcayAH ॥42॥
hk transliteration by Sanscript