TY - ADVS AU - O'Sullivan,Gerardine ED - Video Educational Australia TI - Characteristics and properties of food PY - 1996///-1999 CY - Australia PB - Video Educational Australia KW - Food KW - Composition KW - Food consumption KW - Health aspects KW - Nutrition KW - Health N1 - Title from title screen; Part 2; Enzymes, pectin and pigments; Executive producer, Terry Guthridge ; camera operator/sound, Steve Welch ; graphics, Roy Hosmick ; editors, Republic films, Rowan Webb, Estelle McGechie; Narrator: Justin Shortal N2 - This program list food compounds as well as factors causing changes in food composition. part 2 focus on the role that enzymes play in the ripening and deterioration of fruit juice and the liquidation of the soft centres in chocolates, the properties of pectin are demonstrated in the process of making jam and the pigments in different groups of fruits and vegetables in order to better preserve their colour and appeal ER -