The Law Code of Yājñavalkya 3.1.169

3.1.169

lavaṇe madhumāṃse ca puṣpamūlaphaleṣu ca |
śākakāṣṭhatṛṇeṣv apsu dadhisarpiḥpayassu ca ||
tilauṣadhājine caiva pakvāpakve svayaṃgrahaḥ |
paṇyeṣu caiva sarveṣu nāśaucaṃ mṛtasūtake ||
iti |

"With respect to salt, honey, and meat, and with respect to flowers, roots, and fruits, / in vegetables, firewood, grass, in water, and in curds, clarified butter, and milk, / and in sesame seeds, medicine, and deer hide, in cooked and uncooked food taken by oneself, / and in all marketable goods, there is no ritual defilement during death or birth defilement."