Name of standard Spray dried Guava Fresh  Guava   R.T. Area conc. R.T. Area conc. Vanillic acid 14.932 3534976 15.709218394 14.675 403639 3.680350305 Syringic acid 15.943 4529087 - 14.823 260199 - Querctin 33.31 1874373 53.95900389 33.269 1011393 4.604747049 Ferulic acid 22.616 9656083 - 22.252 208553 - Cinnamic acid 27.008 4580399 7.358736502 25.003 245602 6.358737803 Gallic acid 7.093 16639408 58.98798623 24.184 1037018 15.36469927 Coumaric acid 20.149 26093796 - 20.856 371808 3.562226056 Salicylic acid 24.922 4395039 31.3321564 24.217 482437 27.44213419

Table 3: HPLC analysis of spray dried and fresh Guava extract. (RT is Retention Time, Conc. concentration (ppm, part per million)).