Ngwaahịa a sitere na ihe ọkụkụ sitere n'okike. Ọ na-enweghị ụcha ma ọ bụ acha anụnụ anụnụ. Na ụwa na-eduga osisi mmịpụta technology, ọtụtụ eke extracts na-amịpụtara si 300 ụdị osisi, dị ka apigenin, acacia, bụ orhamnetin, epicatechin, wdg. Ọ nwere ike wepụ ọjọọ isi na igbochi ọtụtụ ụdị ọjọọ isi ngwa ngwa, dị ka hydrogen sulfide. thiol, acid fatty na-agbanwe agbanwe na gas amonia.