The IDDSI Flow Test
IDDSI uses an objective measurement tool for liquid thickness, 10 mL syringe.
Before you test… You must check your syringe length because there are differences in syringe lengths.
What is xanthan gum?
It is a thickener used in a variety of foods and most commonly used in salad dressings, sauces and ice cream.
Any benefits with gum-based vs starch-based formulas?
Gum-based formulas are resistant to heat and freeze-thaw process, while starch-based formulas are not.
How is gum-based different from starch-based thickened beverages for safety swallowing?
Although more research is still required, several studies have shown similar improved safety of swallow in dysphagia patients when compared gum and starch. Gum may offer a cutting-edge advantage as some studies have shown that starch-based tends to increase the risk of postswallow residue and aspiration during the oral and pharyngeal passage. But, in general term, starch-based thickened beverages possess no harm in patients with dysphagia.
Are there any precautions on the use of thickened beverages (starch or gum-based) along with a medication?
There are no contra-indications that we know of except for: Starch-based thickened beverages should not be used to prepare or dilute medications that are polyethanol glycol or PEG-based. There is a known interaction between PEG and starch which results in thinning effect to the consistency of the beverages. PEG is commonly used as laxative and also as excipient in many other medications. Gum-based products do not have this interaction. No other known precautions related to starch nor xanthan gum has been reported.
What analyses are done to ensure the consistency quality of the products?
Hydra+ pre-thickened beverages are manufactured and analysed to ensure the products are appropriate IDDSI 3 moderately thick and IDDSI 2 mildly thick. Our quality assurance team uses IDDSI flow test to ensure these consistencies.