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Applied Biological Chemistry

Table 6 Activity of defensive enzymes of Aphis craccivora adults treated with LC50 of withasomine 1

From: Bioactive compounds from Withania somnifera dun and their toxicity against some piercing sucking pests

Treatments

α-esterase activity (µg α-naphthol/min/g b wt.) ± SE

β-esterase activity (µg β-naphthol/min/g b wt.) ± SE

Chitinase Activity (µg NAGA /min/g b wt.) ± SE

Acetyl choline esterase activity (ug AchBr /min/gm b wt.) ± SE

GST activity (mmol sub.conjugated /min/mg protein) ± SE

Peroxidase activity (∆ mO.D./min/mg protein) ± SE

Withasomine 1

38.83 ± 6.14 ns

72.86 ± 5.45ns

31.45 ± 3.25*

506.4 ± 3.29**

2.62 ± 0.05**

251.0 ± 2.08*

Control

31.13 ± 3.54

64.03 ± 6.54

10.53 ± 0.67

643.8 ± 3.18

1.92 ± 0.04

242.3 ± 1.45

T-value

1.09

1.04

6.30

−30.02

0.74

−3.41

P-value

0.36

0.38

0.02

0.00

0.00

0.04

  1. SE Standard error; Statistical differences between the two means was calculated using two-sample T-test. Differences are significant when P < 0.05, ns Non-significant
  2. **High significant
  3. *Significant
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