Anandakanda 2.7.30

2.7.30

bījaṃ ca guṇavajjñeyaṃ tatkramād uttarottaram /
<sattvapātanāyābhrakasiddhiḥ>
dhānyābhrakaṃ ravikṣīre gharme sthāpyaṃ dināvadhi //

and seed; they should be known as progressively superior in quality. / <Preparation of mica for extraction of essence> / Dhānyābhraka placed in calotropis latex is to be kept in the sun for the period of a day.