Taste:
Erythritol is about 70% as sweet as sucrose, on a weight basis.
It produces a cooling effect in the mouth, similar to xylitol.
Calories:
Unlike other polyols, erythritol is
readily absorbed in the small
intestine. It is not readily
metabolized in the human body, so it provides only 0.2 calories per
gram.
Safety:
Erythritol occurs naturally, at low levels, in many fruits, mushrooms,
and fermented foods
such as wine, soy sauce, and cheese.
Erythritol is largely absorbed in the
small intestine and excreted in the urine. It is not
metabolized in the body. Since most of it is absorbed, it is
not subject to fermentation in the large intestine as most polyols are.
This means there is far less gas-forming and laxative effect,
compared to the other polyols. Storey et al. reported that a
50 g dose produced some rumbling (borborygmas), but no diarrhea.
[1]
Erythritol has been used in Japan since
1990 and has had GRAS status in the USA since 1996. It
received full approval from the European Union in 2008.
Chemistry:
Molecular formula: C4H10O4
Molecular weight: 122.12
Properties:
Erythritol is not hygroscopic (does not pick up moisture from the
air). It has lower water solubility than sucrose and a higher
tendency to crystallize.
References:
1. Storey, D.; Lee, A.; Bornet, F.; Brouns,
F. Gastrointestinal tolerance of erythritol and xylitol ingested
in a liquid. Eur. J. Clin. Nutr. 61:349-354 (2007).
PubMed
link
Other links:
Erythritol on Wikipedia