Glycerol ester of wood rosin (GEWR), otherwise called ester gum, is generally utilized as a weighting specialist or an option in contrast to brominated vegetable oil in citrus-enhanced refreshments, additionally works as a softener in biting gum.
What is the glycerol ester of wood rosin?
A perplexing fixing essentially made of tri-and diglycerol esters of sap acids from wood rosin, and may likewise contain a little portion of glycerol monoesters, free sap acids, and neutrals (non-acidic mixes).
How is it made?
Glycerol ester of wood rosin is delivered by the esterification from wood rosin and glycerol. There are two assembling measures for the refinement of the wood rosin ester, contingent upon the motivation behind utilizations, decontaminated by steam stripping when utilized in biting gum, or filtered by counter-current steam refining whenever utilized in altering the thickness of citrus oils for refreshments.
What is wood rosin?
A strong pitch extricated from matured pine stumps, it tends to be refined by eliminating unstable terpene parts and debasements before the esterification with glycerol.
Segments
It comprises of approx. 90% pitch acids (essentially of abietic corrosive) and 10% neutrals (non-acidic mixes).
Regular source
Wood rosin can be either sourced from Pinus palustris (longleaf pine) and Pinus Elliottii (cut pine) stumps. It is distinctive with gum rosin, which is an exudate of living pine trees, has a comparable segment with wood gum; additionally unique with tall oil rosin, which is a result of kraft (paper) mash handling.
What is the glycerol ester of rosin?
It is the overall name of different rosins esterified with glycerol, for example, glycerol ester of gum rosin, glycerol ester of tall oil rosin, glycerol ester of incompletely hydrogenated gum or wood rosin, etc. They are endorsed safe by the FDA as a food added substance.
Glycerol Ester of Rosin Properties
Specifications:
Different Names | Glycerol ester of rosin Glyceryl abietate Gum ester GEWR |
Substance formula | Variable |
Atomic Weight | Variable |
Dissolving Point | 62–87 °C |
Appearance
- A hard, yellow to pale golden shaded strong with low scent and taste
- The corrosive number from 3 to 9
Dissolvability
- Insoluble in water, oil-solvent, and broke up in (CH3)2CO
What is it utilized for?
Two primary food employments
Food grade ester gum can be utilized as a biting gum base part and an emulsifier or stabilizer/thickness change specialist for enhancing oils in refreshments. Once in a while, its name might be abbreviated as glycerol ester of rosin in the fixing list.
Brominated vegetable oil substitution
Ester gum can fill in for brominated vegetable oil, which is utilized to improve the steadiness of specific beverages by keeping different fixings from isolating.