Abstract: Five different packaging treatments were studied over a 36- day period to determine if they protected soymilk from photo- oxidation. Soymilk was packaged in high- density polyethylene ( HDPE ) bottles with and without light protective additives ( LPA ). Two controls [(1) no LPA (translucent appearance); (2) a light- protected control (foil overwrap over no LPA control)] and three LPA…