Delta-tocopherol synthetic (E309) ke antioxidant e sirelletsang lisele ho senyeha ka ho fokotsa butle-butle ea lipid (mafura) le ho thehoa ha li-radicals tsa mahala.
E309 (synthetic delta-tocopherol) e kenyelelitsoe lenaneng la lisebelisoa tsa lijo tse se nang tsona lengolo la tumello ea ho sebelisoa indastering ea lijo naheng ea habo rona.