Anandakanda 1.10.26

1.10.26

piṣṭībhūtaṃ ca jambīre kṣiptvāmlagaṇapūrite /
dolāyantre pacetsamyagevam ā saptavārakam //

And placing the formed paste inside a lime filled with the collection of acids,
one should cook it thoroughly in a swing apparatus thus for seven days.