Kindly check the following link in which it has been implied that integrated manufacturing consisting of encapsulation, 3D printing, and freeze-drying has the potential to produce a shelf-stable, convenient snack food or supplement product that can deliver live probiotics with customized strains and dosage.
Article Development of a shelf-stable, gel-based delivery system for...
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Article Impact of protectant uptake on the shelf-life of dried Lacti...
most of time we go for checking formulated probiotic rich feed ...the viability of probiotic by 16S rDNA Sequencing by using probiotic source cells which used to streak-purified on the appropriate medium and single isolated colonies choose for DNA isolation.