Table 1
Compositions of the propolis samplea,b
.
Substance RT Percentage (% of TIC)
Glycerol 7.62 0.5
Butanedioic acid 10.53 0.3
Hydroxybutanedioic acid 12.60 0.3
Hydroxybenzoic acid 15.98 1.2
Isovanilinic acid 19.00 0.7
Inositol 22.30 2.3
Gluconic acid 24.15 1.5
Hexanoic acid 25.12 0.6
Ferulic acid 25.41 0.3
Caffeic acid 26.40 0.7
Monoterpenic ester of hydroxybenzoic acid 27.11 0.5
Oleic acid 27.45 0.8
Suberosin 27.55 1.8
Monoterpenic ester of isovanilinic acid 29.36 0.1
2-methyl-2-butenyl caffeate 30.65 0.2
Pinostrobin chalcone 32.19 0.4
Pinocembrin 32.88 0.7
Pinobanksin chalcone 33.22 0.7
Pinobanksin acetate 34.96 1.1
Sesquiterpenic ester of hydroxybenzoic acid 35.89 4.8
Phenethyl caffeate 36.58 0.8
Sesquiterpenic ester of isovanillinic acid 38.14 1.3
Triterpenic alcohol 44.15 0.3