Postprandial effects of a polyphenolic grape extract (PGE) supplement on appetite and food intake: a randomised dose-comparison trial

Table 1 Composition of the polyphenolic grape extract (PGE)

	Total number of capsules administered	PGE content per capsule (mg)	Total PGE content (mg)	Total polyphenol content (mg)	Oliomeric proanthocyanidins (OPC) %
PGE₅₀₀	1 PGE + 2 placebo	500	500	353	>40 %
PGE₁₅₀₀	3 PGE	500	1500	1059	>40 %
Placebo	3 placebo	0	0	0	0

The PGE supplement was a commercial extract from red and white grape seeds and skins, extracted using a proprietary water-based method and provided by New Zealand Extracts Ltd (Marlborough, New Zealand). The predominant phenolic component in the extract was oligomeric proanthocyanidin (OPC), comprising >40 % of total polyphenols. Total polyphenol content was measured using Association of Official Analytical Chemists (AOAC) 15^th Edition 952.03 standard methods. Placebo comprised magnesium stearate matched by capsule number, capsule weight and capsule size (size ‘0’) to the PGE treatments

ISSN: 1475-2891