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Liquid Sugar

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By Bento, Luis San Miguel
Posted on 2006-11-29    Last edited on 2009-09-23

Liquid sugars, as the name indicates, are edible sugar solutions varying in sugars and non-sugars composition. Sugar in liquid form can replace refined sugars in certain applications, as in soft drink industry, confectioneries, bakeries and dairy industry.

Liquid sugars can have the following forms:
- sucrose liquid sugars;
- invert liquid sugars (medium invert or total invert).

Invert liquid sugars can be produced at a higher sucrose concentration because sucrose does not crystallizes easily in presence of high quantities of invert sugars. When producing this sugar, there is a gain of dry matter due to sucrose inversion.

Advantage of Liquid Sugar production in a Refinery:

  • no crystallization equipment needed (for LS production)
  • increases refinery yield

Advantage of Liquid Sugar in the utilization:

  • avoids sugar dissolution in the user plant
  • avoids possible colour formation (during dissolution)
  • handling (in liquid form instead of solid form)

Liquid sugar is stored in stainless steel tanks and transported in cisterns of 20 – 25 m3

Some refineries produces only liquid sugars using VLC sugars of a minimum Pol of 99.1 and a maximum colour of 1200 IU (Tamaye, 1994). The liquid sugar produced, at 67.0 brix, follows the Bottler's specification of maximum colour of 30 IU and maximum ash of 150 ppm.Liquid sugar is prepared by filtering, ecolourization and deashing a liquor produced by melting the VLC raw sugar.

Bibliography

Lancrenon X., D. Paillat, 2005, Production of liquid sugars from fine liquors in the refinery, Proc. S.I.T.
Conf.,
7-24
Tamaye R.R., 1994, New liquid sugar plant at Aiea, Hawaii, , Proc. S.I.T.Conf., 307-318


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