Valmiki Ramayana 2.108.15
यदि भुक्तमिहान्येन देहमन्यस्य गच्छति ।दद्यात् प्रवसत: श्राद्धं न तत् पथ्यशनं भवेत्॥
yadi bhuktamihānyena dehamanyasya gacchati |dadyāt pravasata: śrāddhaṃ na tat pathyaśanaṃ bhavet ||
Our plain-language meaning of this verse is waiting for scholar review.
Open in the book