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. Author manuscript; available in PMC: 2013 Mar 1.
Published in final edited form as: Semin Nucl Med. 2012 Mar;42(2):138–144. doi: 10.1053/j.semnuclmed.2011.11.001

Figure 1.

Figure 1

Comparison of a nutrient liquid meal (Ensure Plus) and current consensus egg-white sandwhich meal. The mean ± sem values for percentage retention over time for the egg meal are shown (filled squares, solid line) vs the Ensure meal (dashed line). The data are for 20 subjects each studied twice, once with each meal. The liquid meal has slightly faster early gastric emptying due to lack of any need for trituration which occurs with solids, but has similar retention at 2 hours. There is slightly increased retention between 2–4 hours likely due to its higher fat and caloric content.