Standards

Retention Time (min)

Concentration (ppm)

Area

4-(diphenylhydroxymethyl) benzoic acid

18.02

1000

55,292,075

Caffeic acid

12.08

1000

68,926,704

p-coumaric acid

13.08

1000

69,474,605

Gallic acid

4.35

1000

121,965,654

Salicylic acid

16.50

1000

2,128,743

Vanillic acid

12.83

1000

75,722,335

Vanillin

12.62

1000

63,944,221