Organic acid (mg/kg)

Mushroom samples

Retention time (min)

R. delica

R. lepida

R. mustelina

Oxalic acid

(2.80)

59.40 ± 0.04^a

71.50 ± 0.03^a

129.6 ± 0.13^b

Ascorbic acid

(5.25)

818.20 ± 0.45^c

429.40 ± 0.35^a

582.4 ± 0.30^b

Fumaric acid

(6.00)

4241.40 ± 30.03^b

4183.80 ± 20.25^b

3477.3 ± 25.35^a

Citric acid

(7.50)

2004.1 ± 12.52^a

3159.7 ± 8.73^b

2148 ± 32.50^a

Malic acid

(8.00)

3207.6 ± 10.5^b

833.2 ± 7.05^a

4230.40 ± 20.40^c

Succinic acid

(10.40)

86.50 ± 0.07^b

43.50 ± 0.04^a

34.3 ± 0.06^a