Composition of Mabí Ingredients, Mabí Prepared by the Conventional Method and by Controlled Fermentation

Abstract

Mabí bark extract used in the preparation of the beverage contains 6.1-16% total soluble carbohydrates and 1.2-2.8% reducing sugars; an average of 0.34-0.77% tannins; 2.25-3.75% crude protein; and the minerals P, Ca, Mg, K, Fe, Mn and Na. Unrefined sugar contained all the above-listed minerals except P, whereas no P, Fe, nor Mn was detected in the tap water. The "pie" or fermented mabí, contributes all of the above-listed ingredients, especially the protein. Mabí analyzed contained 2.8-3.2% crude protein. Mabi was prepared by the conventional method and also by inoculating sterilized ingredients with a mixture of Aerobacter aerogenes and Saccharomyces cerevisiae. In both products, ethanol, lactic and acetic acids were found, and the final pH values were similar, being 3.7 and 3.g, respectively. Both products also contained the flavoring substances acetaldehyde, methyl and ethyl acetates, isoamyl alcohol, and acetylmethylcarbinol. Diacetyl was absent from both types.