Tibicos: Difference between revisions
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'''Granos tibicos (water kefir)''' | '''Granos tibicos (water kefir)''' | ||
=Description= | =Description= | ||
Granos tibicos/water kefir grains is a biofilm culture of bacteria and yeast which is used to produce fermented beverages. The microbes coexist in a symbiotic relationship resulting in a relatively stable culture. The matrix of the grains is formed by polysaccharide dextran which is produced by bacteria ''Lactobacillus brevis''. The colour of the grains vary from transparent to milky, the shape is irregular generally around 5 mm in diameter. The liquid used to feed the microbial culture includes variety of sugars, in Central and South America’s dark residual sugars like [https://es.wikipedia.org/wiki/Panela panela] are used, the other ingredients vary greatly. During the aerobic fermentation lactic acid, ethanol and carbon dioxide are being produced. With just 24-48 hours necessary for the fermentation the beverage can be considered “quick ferment” compared to for example | Granos tibicos/water kefir grains is a biofilm culture of bacteria and yeast which is used to produce fermented beverages. The microbes coexist in a symbiotic relationship resulting in a relatively stable culture. The matrix of the grains is formed by polysaccharide dextran which is produced by bacteria ''Lactobacillus brevis''. The colour of the grains vary from transparent to milky, the shape is irregular generally around 5 mm in diameter. The liquid used to feed the microbial culture includes variety of sugars, in Central and South America’s dark residual sugars like [https://es.wikipedia.org/wiki/Panela panela] are used, the other ingredients vary greatly. During the aerobic fermentation lactic acid, ethanol and carbon dioxide are being produced. With just 24-48 hours necessary for the fermentation the beverage can be considered “quick ferment” compared to for example [[Kombucha]] or milk [[Kefir]] beverages which take around a week of fermentation. The resulting ferment is very light, somehow metallic flavoured beverage which is highly sparkling. Because of the minimal flavour of it’s own it is optimal base for flavouring, very refreshing especially during the summer and is very good for rehydratation. | ||
Within this group we are trying to find a universal medium which can be used to grow the water kefir culture resulting in a increase of the amount of the culture so it can be further shared and tasty beverage. You can find more about this project here: [[granos_tibicos_growing_media| granos tibicos growing media]]. | Within this group we are trying to find a universal medium which can be used to grow the water kefir culture resulting in a increase of the amount of the culture so it can be further shared and tasty beverage. You can find more about this project here: [[granos_tibicos_growing_media| granos tibicos growing media]]. | ||
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=biology= | =biology= | ||
Tibicos are found around the world, with no two cultures being exactly the same. Typical tibicos have a mix of [https://en.wikipedia.org/wiki/Lactobacillus Lactobacillus], [https://en.wikipedia.org/wiki/Streptococcus Streptococcus], [https://en.wikipedia.org/wiki/Pediococcus Pediococcus] and [https://en.wikipedia.org/wiki/Leuconostoc Leuconostoc] bacteria with yeasts from [https://en.wikipedia.org/wiki/Saccharomyces Saccharomyces], [https://en.wikipedia.org/wiki/Candida_(genus) Candida], [https://en.wikipedia.org/wiki/Kloeckera Kloeckera] and possibly others. [https://en.wikipedia.org/wiki/Lactobacillus_brevis Lactobacillus brevis] has been identified as the species responsible for the production of the polysaccharide (dextran) that forms the grains.[https://en.wikipedia.org/wiki/Tibicos] | |||
=how to get it?= | =how to get it?= | ||
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Supposedly the tibicos grains are consisting of two layers, outer in which the bacteria and yeast are embedded (or attached to) and inner “sponge” like in which the carbon dioxide is accumulated (citation needed). | Supposedly the tibicos grains are consisting of two layers, outer in which the bacteria and yeast are embedded (or attached to) and inner “sponge” like in which the carbon dioxide is accumulated (citation needed). | ||
=See Also= | |||
* [[Granos tibicos growing media]] | |||
* [[Granos tibicos growing media Algoldor]] | |||
* [[Tibicos]] | |||
Latest revision as of 05:34, 20 November 2014
Granos tibicos (water kefir)
Description
Granos tibicos/water kefir grains is a biofilm culture of bacteria and yeast which is used to produce fermented beverages. The microbes coexist in a symbiotic relationship resulting in a relatively stable culture. The matrix of the grains is formed by polysaccharide dextran which is produced by bacteria Lactobacillus brevis. The colour of the grains vary from transparent to milky, the shape is irregular generally around 5 mm in diameter. The liquid used to feed the microbial culture includes variety of sugars, in Central and South America’s dark residual sugars like panela are used, the other ingredients vary greatly. During the aerobic fermentation lactic acid, ethanol and carbon dioxide are being produced. With just 24-48 hours necessary for the fermentation the beverage can be considered “quick ferment” compared to for example Kombucha or milk Kefir beverages which take around a week of fermentation. The resulting ferment is very light, somehow metallic flavoured beverage which is highly sparkling. Because of the minimal flavour of it’s own it is optimal base for flavouring, very refreshing especially during the summer and is very good for rehydratation.
Within this group we are trying to find a universal medium which can be used to grow the water kefir culture resulting in a increase of the amount of the culture so it can be further shared and tasty beverage. You can find more about this project here: granos tibicos growing media.
history
biology
Tibicos are found around the world, with no two cultures being exactly the same. Typical tibicos have a mix of Lactobacillus, Streptococcus, Pediococcus and Leuconostoc bacteria with yeasts from Saccharomyces, Candida, Kloeckera and possibly others. Lactobacillus brevis has been identified as the species responsible for the production of the polysaccharide (dextran) that forms the grains.[1]
how to get it?
Links
https://en.wikipedia.org/wiki/Tibicos
http://www.growyouthful.com/recipes/water-kefir.php
Water kefir grains - how to prepare tibicos
Interesting but possibly not confirmed:
Supposedly the tibicos grains are consisting of two layers, outer in which the bacteria and yeast are embedded (or attached to) and inner “sponge” like in which the carbon dioxide is accumulated (citation needed).