Micronized/ultramicronized palmitoylethanolamide displays superior oral efficacy compared to nonmicronized palmitoylethanolamide in a rat model of inflammatory pain

Table 2 High-pressure liquid chromatography purity analysis of different palmitoylethanolamide sources ^a

Product	PEA-m	PEA-um	PEA	PEA	PeaPure 400 mg	PeaVera 400 mg
Supplier	Epitech Group	Epitech Group	Cayman	Tocris Bioscience	JP Russell	JP Russell
Lot no.	02/10	03/08	152055-51	3A/151360	12126A	14A09H
Purity claimed	>98%	>98%	>98%	>98%	100%	100%
Purity found	100.13%	101.08%	98.97%	101.13%	87.69%	88.60%

^aPEA-m, Micronized palmitoylethanolamide; PEA-um, Ultramicronized palmitoylethanolamide. Values exceeding 100% are due to the precision of the analytical methods used. Assay specification limits are 98% to 102%.

ISSN: 1742-2094