Food that has been eaten by a person incompetent to utter the syllable Om, or that has been eaten by a person bearing arms, O Bharata, or that has been caten by a wicked person, should be known as due to Rakshasas.
निरोङ्कारेण यद् भुक्तं सशस्त्रेण च भारत। दुरात्मना च यद् भुक्तं तं भागं रक्षसां विदुः॥