MICROCAPSULE-EMBEDDED SQUID INK MELANIN BISCUIT AND PREPARATION METHOD THEREFOR

摘要

A microcapsule-embedded squid ink melanin biscuit and a preparation method therefor. The preparation method comprises the following steps: (1) extracting squid ink melanin by an ultrasound-assisted water extraction method to obtain a squid ink melanin initial extract; (2) adding sodium alginate or carrageenan to the initial extract and adding an emulsifier to prepare a turbid liquid, adjusting the content of solids to be 20-30%, performing spray drying, and performing superfine grinding into 400-500 meshes to obtain squid ink melanin for later use; and (3) heating butter to a liquid state, adding the squid ink melanin, cooling same to room temperature, then adding beaten egg, adding white granulated sugar, aspartame, and common salt, uniformly stirring the mixture, adding flour, adding water, kneading dough using cold water, and baking in an oven according to a biscuit baking process. According to the method, a water extraction method is adopted, no enzyme preparation, acid/base reagent, or the like needs to be added, complete melanin particles can be retained, and the functionality of melanin is retained.