Table 4 Concentration levels of ten pyrethroid insecticides in edible mushroom samples from market in Anhui Province.

From: Method development and validation of ten pyrethroid insecticides in edible mushrooms by Modified QuEChERS and gas chromatography-tandem mass spectrometry

Samples

Number of samples

Positive sample ratioa

Concentration (μg kg−1)

Bifenthrin

Fenpropathrin

Cyhalothrin

Permethrin

Cyfluthrin

Cypermethrin

Flucythrinate

Tau-fluvalinate

Fenvalerate

Deltamethrin

Oyster mushroom

20

2(10%)

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

24/43b

<LOQ

<LOQ

<LOQ

<LOQ

Shiitake mushroom

20

0(0)

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

Eryngii mushroom

10

0(0)

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

Crimini mushroom

20

3(15%)

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

11/16/35b

<LOQ

<LOQ

<LOQ

<LOQ

Enoki mushroom

10

0(0)

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

Bunashimeji mushroom

10

0(0)

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

<LOQ

  1. aNumber of positive sample (positive sample ratio).
  2. bThe result of positive samples.
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