Charak Samhita
समधातोः पचत्यन्नं पुष्ट्यायुर्बलवृद्धये। भवन्ति चात्र- पथ्यापथ्यमिहैकत्र भुक्तं समशनं मतम्॥२३५॥
When dhatus are in equilibrium anna gets digested resulting in increase in nutrition, longevity and strength. ॥ Improper dietary habits॥ Taking of wholesome and unwholesome foods together in diet is known as samashana.
english translation
samadhAtoH pacatyannaM puSTyAyurbalavRddhaye। bhavanti cAtra- pathyApathyamihaikatra bhuktaM samazanaM matam॥235॥
hk transliteration by Sanscript