Anandakanda 1.14.29

1.14.29

mudgavrīhiyavā māṣā guñjāmātraṃ parāvadhiḥ /
śarkarāsahitaṃ sevyaṃ kṣvelaṃ tadamṛtaṃ bhavet //

a mung bean, a grain of rice, barley, a māṣa bean, with the measure of a guñjā as the upper limit. / Consumed with sugar, that poison becomes nectar.