Research Article

[Retracted] Optimization, Composition, and Antioxidant Activities of Exo- and Intracellular Polysaccharides in Submerged Culture of Cordyceps gracilis (Grev.) Durieu & Mont.

Table 1

Effect of different factors on EPS and IPS yield in submerged culture of C. gracilis.

SourcesEPS (mg/L)IPS (mg/L)

Medium capacity/mL
 50302.17 ± 4.46a122.13 ± 5.46a
 100450.10 ± 5.46a203.13 ± 4.48a
 150449.12 ± 4.62a204.62 ± 4.62a
 200675.12 ± 4.01b385.20 ± 3.00b
 250403.11 ± 5.46a199.13 ± 5.46a
Rotation speed (rpm)
 50213.17 ± 2.46a121.12 ± 1.62a
 100244.62 ± 2.12a152.13 ± 5.46a
 125255.20 ± 2.51a185.20 ± 5.01a
 150324.62 ± 3.32b254.62 ± 4.62b
 175283.13 ± 2.49a198.13 ± 5.46a
 200187.20 ± 2.01a125.20 ± 5.01a
Incubation time/d
 2253.10 ± 3.16a123.12 ± 3.42a
 3265.22 ± 2.21a145.17 ± 3.01abc
 4314.12 ± 1.32a164.69 ± 2.02abc
 5353.19 ± 4.16ad173.63 ± 2.46b
 6445.24 ± 1.11ab216.60 ± 1.71bc
 7304.82 ± 2.12a164.42 ± 2.62abc
 8253.71 ± 1.43a157.49 ± 1.46abc
 9245.24 ± 4.11ac149.22 ± 1.91abc
 10204.52 ± 1.63acd134.02 ± 2.12abc
pH
 3.0324.11 ± 1.15a154.60 ± 2.12a
 4.0343.14 ± 1.19a173.61 ± 2.16ab
 5.0355.29 ± 2.15a185.62 ± 1.49ab
 6.0374.81 ± 2.52ab219.45 ± 2.59b
 7.0353.79 ± 2.44a197.59 ± 5.16ab
 8.0247.19 ± 2.11ac169.12 ± 4.93ab
Temperature
 20362.19 ± 2.16a172.63 ± 2.33a
 22405.24 ± 1.11b215.60 ± 1.71ab
 25394.82 ± 2.55c162.42 ± 2.62a
 27253.71 ± 1.46d159.49 ± 1.46a
 30209.24 ± 4.91e147.22 ± 1.91a
 35103.19 ± 4.10f 63.10 ± 2.46ac

Values are expressed as mean ± SE and the same alphabets in the same column are not statistically significant according to Tukey’s test for multiple comparisons with for different conditions as mentioned in the table.