Open-source cola

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File:Tøyen-Cola fra Oslo 2015.jpg
Tøyen-Cola!, an also GPL'd Cube Cola offspring from Norway (2015).
File:THE RECIPE Open cube cola recipe, 30 december 2012.pdf
Cube-Cola recipe under GPL (2012).
File:Open Cola session on Penguicon 8.jpg
Production of the open-source cola "Opensoda" on the Penguicon 8 (2010).

Open-source cola is any cola soft drink produced according to a published and shareable recipe. Unlike the secretive Coca-Cola formula, the recipes are openly published and their re-use is encouraged.[1][2] The texts of OpenCola and Cube-Cola recipes are published under the GNU General Public License (GPL).[2][3][4]

Recipe

The colas are produced as a flavour concentrate or syrup that is then mixed with bulk ingredients to produce the drink. Completed flavour concentrates are sold by some of the open cola producers.[5]

The bulk ingredients include those such as sweeteners (sugar or artificial), caffeine and the source of acidity, phosphoric or citric acid. As these are added later, after the flavour blending stage, it is easy to tailor the sugar or caffeine levels per batch to a market's particular taste.

Coca-Cola's own flavouring syrup is known in-house as "Merchandise 7X", which is cross-referenced in the open recipes.[2]

File:Cube Microplex.jpg
Cube Microplex, home of Cube-Cola

A typical recipe is based on eight essential oils.[2]

(in approximate order of decreasing volume)

These are based on the "Pemberton formula."[6] Although claimed as the Coca-Cola recipe, this has been refuted by The Coca-Cola Company.[7] This recipe is also similar to the Merory and Beal recipes. One ingredient that is missing from these recipes is the eponymous kola nut,[8] although this did appear in Reed's recipe.

The use of lavender oil is considered something of a personal taste.[according to whom?] Neroli is frequently omitted altogether, owing to its high cost and relatively small contribution to the overall flavour.[4] Neroli alone may represent a third of the concentrate ingredients cost.[9]

As well as the basic list of flavouring ingredients, there are other ingredients such as gum arabic and a considerable degree of "art" in its manufacture. The precise quality and sourcing of ingredients makes an appreciable difference, particularly in the process of emulsifying the concentrate.[4] Small quantities of alcohol may be used to facilitate this process; as an open recipe, this is under the control of the manufacturer who may avoid such ingredients if halal or similar rules would require it.

Open colas

Examples include OpenCola, produced as a promotion by the Opencola software company; Cube-Cola, an open cola produced by the Cube Microplex cinema in Bristol;[7] and HK Cola, a cola produced in Hong Kong. Colas based on the Cube-Cola recipe, or on their concentrates, have been sold as far afield as New Delhi and Dublin.[citation needed]

Tøyen-Cola from Norway is one of the Cube-Cola offsprings.[10]

Ubuntu Cola

A cola often confused with open-source colas is Ubuntu Cola. Although its name may lead to confusion with the open-source Ubuntu operating system distro, Ubuntu Cola is not an open source cola.

See also

References

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  2. ↑ 2.0 2.1 2.2 2.3 Lua error in package.lua at line 80: module 'strict' not found.
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  5. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  6. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  7. ↑ 7.0 7.1 Lua error in package.lua at line 80: module 'strict' not found.
  8. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  9. ↑ Lua error in package.lua at line 80: module 'strict' not found.
  10. ↑ Tøyen Cola is a local Speciality in Oslo, Norway that You need to Try! on distrita.com (Jun 23, 2017)
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