Research Article

A Novel Promising Strain of Trichoderma evansii (WF-3) for Extracellular α-Galactosidase Production by Utilizing Different Carbon Sources under Optimized Culture Conditions

Table 2

Total protein ( g/mL) secreted by T. evansii (WF-3) in the culture medium up to 11 days.

Culture media Total protein ( g/mL) secreted by T. evansii (WF-3) in the culture medium up to 11 days
Incubation time (days)
1 2 3 4 5 6 7 8 9 10 11

GG164.57 ± 14.08193.47 ± 15.09136.60 ± 9.7103.01 ± 9.8182.16 ± 17.03278.38 ± 26.08265.07 ± 24.06261.30 ± 25.09160.80 ± 15.6828.89 ± 2.6918.56 ± 1.7
GG + GAL266.33 ± 18.09272.61 ± 20.08321.60 ± 2.2414.57 ± 33.06582.91 ± 44.06312.81 ± 29.85296.48 ± 28.86192.16 ± 18.49159.80 ± 15.34155.78 ± 14.6826.89 ± 2.4
GG + SUC95.47 ± 8.0790.45 ± 7.641.45 ± 3.867.83 ± 5.935.17 ± 3.2116.83 ± 10.5329.15 ± 30.36590.45 ± 58.78419.59 ± 40.93379.39 ± 36.90331.71 ± 31.08
SM435.92 ± 30.04238.69 ± 19.06314.07 ± 29.08353.01 ± 30.08798.24 ± 67.08361.80 ± 34.05328.15 ± 29.89311.56 ± 30.65291.45 ± 28.78266.33 ± 25.08150.01 ± 14.30
SM + GAL182.16 ± 16.0290.35 ± 7.8229.89 ± 20.07110.55 ± 10.9239.94 ± 22.05351.75 ± 34.0279.15 ± 6.98107.18 ± 9.89174.62 ± 16.96153.26 ± 14.90160.80 ± 15.56
SM + SUC207.28 ± 17.09227.38 ± 20.04189.69 ± 17.06189.69 ± 17.68340.45 ± 32.89258.79 ± 23.83242.46 ± 21.98557.78 ± 53.09518.84 ± 50.86383.17 ± 37.68535.17 ± 51.29
WS67.83 ± 5.6114.32 ± 10.89145.72 ± 13.83237.43 ± 22.87329.15 ± 31.31483.67 ± 46.76463.56 ± 44.98356.78 ± 32.88341.71 ± 33.21236.18 ± 22.26230.46 ± 21.86
WS + GAL10.05 ± 9.7146.98 ± 13.89145.30 ± 13.36301.50 ± 29.76146.98 ± 13.68282.66 ± 27.60214.82 ± 20.96288.94 ± 27.27417.08 ± 40.14396.98 ± 38.36160.80 ± 15.70
WS + SUC43.96 ± 4.348.99 ± 4.374.12 ± 7.12228.64 ± 21.75271.35 ± 26.67237.43 ± 22.80194.72 ± 16.86127.89 ± 11.87635.67 ± 61.64611.80 ± 60.68569.78 ± 54.06
GAL23.86 ± 2.267.83 ± 5.3336.68 ± 32.39395.72 ± 37.64201.23 ± 19.6337.40 ± 35.45N/DN/DN/D12.56 ± 1.1N/D
SUC23.14 ± 2.150.25 ± 4.860.30 ± 59.8660.30 ± 5.937.68 ± 36.0850.30 ± 4.9115.57 ± 10.67173.36 ± 15.46152.01 ± 13.83100.50 ± 9.78231.46 ± 22.34

GG: guar gum, GG + GAL: guar gum + galactose, GG + SUC: guar gum + sucrose, SM: soya bean meal, SM + GAL: soya bean meal + galactose, SM + SUC: soya bean meal + sucrose, WS: wheat straw, WS + GAL: wheat straw + galactose, and WS + SUC: wheat straw + sucrose. The culture conditions were the same as described in Section 2. The experiments have been conducted three times and the values are shown as mean ± SD.