Boersema, Wendy Investigating food additives [videorecording] / written, produced and directed by Wendy Boersema - Lawrenceville, N. J. : Meridian Education Corporation, [n.d.] - 1 videodisc (DVD) (23 min.) : sd., col. ; 12 cm. Executive producer, Twila Sears Executive producer, Twila Sears This program explains how preservatives, antioxidants, stabilizer, buffers, sulfites, and other food additives work Subjects--Topical Terms: Food additivesFood preservatives