Preparation method of passion fruit peel fermented freeze-dried enzyme powder containing high active probiotics

Abstract

The present invention discloses a preparation method of passion fruit peel fermented freeze-dried enzyme powder containing high active probiotics. Firstly, passion fruit peels are beaten; blending, grinding and sterilizing are conducted; yeasts and lactic acid bacteria are sequentially added for fermentation; then the obtained passion fruit peel pulp fermentation liquid is used as a main raw material; trehalose and maltodextrin are supplemented; and the freeze-dried enzyme powder is prepared using a freeze-drying method. The method uses the passion fruit peels as the main material; the "two-step fermentation" technology of first yeast fermentation and then lactic acid bacterium fermentation is used; functions of the trehalose and maltodextrin are used; the vacuum freeze-drying method is combined; and the fermentation of the microorganisms is fully utilized, so that the prepared freeze-dried enzyme powder is unique in aroma, has high probiotic activity, is rich in lactic acid, antioxidant components and other beneficial components, provides a basis for solving the problems that the existing passion fruit peels are low in utilization rate, not high in application value, etc., and have very good application prospects.

Description

Technical field [0001] The invention belongs to the technical field of deep processing of fruits and vegetables. More specifically, it relates to a method for fermenting passion fruit peel and preparing freeze-dried enzyme powder containing highly active probiotics. Background technique [0002] Passionflower ( Passiflora caerulea L.) is a passion fruit belonging to the passion fruit family. It is known for its rich nutrition and aromatic scent, which can emit the rich aroma of banana, pineapple, lemon, strawberry, guava, pomegranate and other fruits. As "passion fruit". It is determined that the peel of passion fruit, which accounts for about 50% of the weight of the whole passion fruit, is rich in fiber, polyphenols, pectin and protein; crude fiber, tea polyphenols, pectin, protein, fat, polysaccharides, The contents of total flavonoids and vitamin B1 are respectively: 3.0%, 0.22%, 1.41%, 0.78%, <0.5%, 0.46%, 0.065%, <0.01 (mg / 100g); and it is rich in a variety of min...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved in the present invention is to overcome the defects and deficiencies of the low utilization rate of passion fruit peel and little application value in the prior art, and provide a kind of passion fruit peel without enzymatic hydrolysis and filtration, adding saccharomyces, lactic acid bacteria step by step Fermentation, blending with passion fruit juice, and vacuum freeze-drying to obtain enzyme powder