Table 5.

Untargeted Metabolomic Assessment of A-RUTF and S-RUTF

Metabolite ClassSpecific Metabolites Identified Only in Alternative RUTFPathobiological Significance
Phosphatidylcholines1,2-Dipalmitoleoyl-sn-glycero-3-phosphocholine
1-O-Hexadecyl-2-deoxy-2-thio-S-acetyl-sn-glyceryl-3 phosphorylcholine
1-Stearoyl-2-myristoyl-sn-glycero-3-phosphocholine
1-Palmitoyl-2-docosahexaenoyl-sn-glycero-3-phosphocholine
PC(O-16:0/16:1)
PC(18:1/20:2)
PC(18:0/20:4)
Palmitoyleicosapentaenoyl phosphatidylcholine
Major component of most biological membranes, found in soy foods
Phosphoethanolamines2-Arachidonoyl-1-palmitoyl-sn-glycero-3-phosphoethanolamine
2-Linoleoyl-1-palmitoyl-sn-glycero-3-phosphoethanolamine
Ethanolamine derivative of phospholipids
Cholesterols4-Cholestenone
7-Oxocholesterol
4-Beta-hydroxycholesterol 4-acetate
Oxidized forms of cholesterol, the likely source in RUTF is dairy products
CeramidesCeramide (18:1/16:0)
N-Palmitoyl-d-sphingosine
A lipid component of cell membranes that enhances membrane rigidity and facilitates cell signaling through the membrane
PhytosterolsCholestan-3-one
Dihydrodaidzein
Plant-derived sterols typically found in soy products
IsoflavonesGenistin
Glycitin
6″-O-Acetylgenistin
6″-O-Acetylglycitin
Daidzin
Isoflavonoid compounds almost entirely derived from legume species, interact with estrogen receptors
VitaminsFlavine mononucleotideForm of riboflavin
Glucosyl glucose(3beta,5xi,9xi,18xi,22beta)-22,25-Dihydroxyolean-12-en-3-yl 6-deoxy-alpha-l-mannopyranosyl-(1->2)-beta-d-xylopyranosyl-(1->2)-beta-d-glucopyranosiduronic acidA small carbohydrate component of cellulose
Specific metabolites identified only in standard RUTF
Phosphatidylcholines1-Palmitoyl-2-stearoyl-sn-glycero-3-phosphocholine
1-Docosahexaenoyl-2-stearoyl-sn-glycero-3-phosphocholine
1-Palmitoyl-2-oleoyl-sn-glycerol
Major component of most biological membranes
LipidsErucic acid
Glycerol 1-myristate
Minor components of edible oils; fatty acid and a monoglyceride
Phenylpropranoids14-(Methylpentadecanoylamino)-3-phenylpropanoic acid
3,5-Dimethoxy-4-hydroxycinnamic acid
3-Hydroxy-4-methoxycinnamic acid
Food additive made from cinnamic acid and a natural product in coffee and tea
PhenylethylamidePhenylethylamide 359Flavoring agent, naturally occurs in peanut
  • Abbreviations: A-RUTF, alternative ready-to-use therapeutic food; S-RUTF, standard ready-to-use therapeutic food.