Table 1.

Nutritional composition of the three plant extracts tested

	P. umbilicalis		M. officinalis L.		E. officinalis Gaertn
Main components	Concentration % extract [% total fatty acids]	Daily dose per 500 mg extract	Concentration % extract [% total fatty acids]	Daily dose per 500 mg extract	Concentration % extract [% total fatty acids]	Daily dose per 125 mg/per 13 mg extract	Analysis method
Proteins	32.1	160.5	11.7	58.5	2.3	2.88/0.3	Internal method adapted from decree of 8 September 1977
Fibers (including polysaccharides)	40.3	201.5	31.6	158	19.3	24.1/2.5	AOAC 985.29
Carbohydrates	5.71	28.6	66	330	88.5	110.6/11.5	Internal method
Lipids	1.77	8.9	2.1	10.5	<0.5	<0.63/<0.08	Internal method adapted from decree of 8 September 1977
Saturated fatty acids	0.8 [42.5]	4	0.7 [35.3]	3.5	Traces [33.8]	Traces	Internal method
Monounsaturated fatty acids	0.4 [23.4]	2	0.3 [13.3]	1.5	Traces [21.3]	Traces	Internal method
Polyunsaturated fatty acids	0.6 [34.1]	3	1.1 [51.4]	5.5	Traces [44.9]	Traces	Internal method
Palmitic acid	[38.5]	—	[28.0]	—	[18.1]	—	Gas chromatography NFEN ISO 12966
Oleic acid (OA)	[15.3]	—	[4.8]	—	[18]	—	Gas chromatography NFEN ISO 12966
Eicosapentaenoic acid (EPA)	[9.9]	—	ND	—	ND	—	Gas chromatography NFEN ISO 12966
Arachidonic acid (AA)	[7.3]	—	ND	—	ND	—	Gas chromatography NFEN ISO 12966
Gamma‐linolenic acid (GLA)	[6.5]	—	ND	—	ND	—	Gas chromatography NFEN ISO 12966
Alpha‐linolenic acid (ALA)	ND	—	[31.7]	—	[14]	—	Gas chromatography NFEN ISO 12966
Linoleic acid (LA)	ND	—	[15.1]	—	[28.6]	—	Gas chromatography NFEN ISO 12966

ND: not detected (<0.1% of total fatty acids)