कषायो मधुरस्तिक्तः कट्वम्ल इति नैकधा ।
भौतिकानां विकारेण रस एको विभिद्यते ॥ ४२ ॥
kasayah-astringent; madhurah-sweet; tiktah-bitter; katu-pungent; amlah-sour; iti-thus; naika-dha-manifoldly; bhautikanam-of other substances; vikarena-by transformation; rasah-the subtle element taste; ekah-originally one; vibhidyate-is divided.
Although originally one, taste becomes manifold as astringent, sweet, bitter, pungent, sour and salty due to contact with other substances.