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Soy Milk and Rice Milk are Acceptable Substitutes for Cows Milk in Heavenly Chocolate Cake

by Anne Majsterek and Desiree Cooper

The purpose of this study was to determine whether substitutions of soymilk or rice milk for cow milk would be acceptable alternatives in Heavenly Chocolate Cake.  These substitutions would be of significance to those who suffer from lactose intolerance or milk allergies, both of which may result in gastrointestinal distress and other allergic reactions.  Not only would substitutions of soymilk and rice milk alleviate these problems, but they also contain further nutritional benefits.  Soymilk may help prevent coronary heart disease (CHD) and breast cancer while rice milk aids in the prevention of colon cancer.

In this study three samples were tested.  The two sample variations made with soymilk and rice milk were compared to a control sample made with cow milk.  All sample variations were prepared exactly the same using a chocolate cake recipe.  The substitutions were in equal amounts to the control.  All samples were prepared with margarine instead of butter because butter contains the proteins that cause milk allergies.

Sensory and objective tests were performed.  Two difference tests performed resulted in no distinguishable significant difference between the soymilk substitute and control, yet a significant difference between the rice milk substitute and control.  Sweetness and moisture intensity produced no significant results.  However there were significant results in preference rating.  The cake sample made with rice milk was preferred. 

Two groups of objective measurements were recorded.  Due to the extreme variation in the results of the product samples from testing day one to day two, statistical analysis was inconclusive.

Following data analysis, it was found that both soymilk and rice milk are acceptable substitutes for cow milk in Heavenly Chocolate Cake.  Even though soymilk was distinguishable from the control, it was not found to be significantly less preferred.  Rice milk was not notably different from the control, but significantly preferred.  Due to this preference, rice milk would more likely be substituted for cow milk in Heavenly Chocolate Cake for those suffering from lactose intolerance or milk allergies.  Even though soymilk was not preferred it may also be used as a positive alternative to cow milk in this recipe.

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