Panchagavyam - as per Parashara smruti

Here is the ingredients for panchagavyam taken from Tamil translation of Parasara smrithi by Desikachariyar.

 Panchagavyam - 

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Gomutram - 1 part

Milk - 7 parts

curd - 3 parts

Ghee - 1 part

Dharba jalam - 1 part

Gomayam - Half of top portion of thumb

Gomutram from black cow; gomayam form white cow; milk from brass coloured cow; Curd from red cow; Ghee from Kapila cow.

or all the ingredients can be from kapila cow itself.