Rasendrapurana 2.19

Rasendrapurāṇa 2.19

caṇakāmlañca sarveṣāmeka eva praśasyate
amlavetasamekaṃ vā sarveṣāmuttamottamam
rasādīnāṃ viśuddhayarthaṃ drāvaṇe jāraṇe hitam