Tibicos
Overview
Tibicos, also known as tibi, water kefir grains, sugar kefir grains, Japanese water crystals and California Bees, and in older literature also known as Bébées, African bees, Ale nuts, Australian bees, Balm of Gilead, Beer seeds, Beer plant, Bees, Ginger Beer plant, Ginger bees, Japanese Beer seeds and Vinegar bees are a culture of bacteria
Bacteria
Bacteria are a large domain of prokaryotic microorganisms. Typically a few micrometres in length, bacteria have a wide range of shapes, ranging from spheres to rods and spirals...

 and yeast
Yeast
Yeasts are eukaryotic micro-organisms classified in the kingdom Fungi, with 1,500 species currently described estimated to be only 1% of all fungal species. Most reproduce asexually by mitosis, and many do so by an asymmetric division process called budding...

 held in a polysaccharide
Polysaccharide
Polysaccharides are long carbohydrate molecules, of repeated monomer units joined together by glycosidic bonds. They range in structure from linear to highly branched. Polysaccharides are often quite heterogeneous, containing slight modifications of the repeating unit. Depending on the structure,...

 matrix created by the bacteria.
 
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