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Detection and Elimination of Certain Insecticide Residues from Tomatoes and Green Peppers Fruits

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Last updated: 01 Jan 2025

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Abstract

Residues of three common insecticide  used lately in greenhouses  were determined;   pyriproxyfen (insect growth regulator and guvenile hormone), fenitrothion (an organophosphate), and spinosad (a biological insecticide). Degradation of these insecticides was followed on tomatoes and green peppers grown in greenhouses. The residue of each insecticide was also determined after cooling and cooking the fruits after one day of application.  Results showed that initial deposits of pyriproxyfen on tomatoes and green peppers were 2.89 and 6.71 mg/kg respectively. Gradually with time the percentage of disappearance reached 84.14% on tomatoes and 88.08% on peppers after 14 days of application. The half life time (t 0.5) was 5.41 days on both tomatoes and peppers. The results also show that cooling resulted in 15.92 %  and 15.35 % loss, while cooking of fruits resulted in 65.4% and 77.35 % loss of pyriproxyfen from tomatoes and peppers, respectively. Regarding fenitrothion, the results showed that the initial deposits on tomatoes and green peppers were 3.48 and 3.37 mg/kg; respectively. Gradually with time the percentage of disappearance reached 97.13% on tomatoes and 98.81% on peppers after 14 days of application. The (t 0.5) was 3.5 days on tomatoes and 1.5 days on peppers. Cooling process resulted in 9.48% and 25.52 % loss,  while cooking reduce 93.1 % and 82.79% of fenitrothion from tomatoes and peppers, respectively.  Initial residues of spinosad  were 0.52 and 0.23 mg/kg  on tomatoes and green peppers. The loss reached 84.62% on tomatoes and 47.83% peppers after 7 days of application. The (t 0.5) was 3.5 days on tomatoes and 7.5 days on peppers. Cooling process resulted in loss of  spinosad residues by 44.23% and 39.13 %  while cooking reduce 50% and 56.52%  from tomaoes and green peppers, respectively.

DOI

10.21608/asejaiqjsae.2008.3202

Keywords

detection, elimination, Insecticides, residues, Tomatoes, Peppers

Authors

First Name

Sulaiman

Last Name

A. A.

MiddleName

-

Affiliation

Plant Protection Dept. College of Food and Agriculture Sciences,King Saud University, Riyadh

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Orcid

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First Name

A.

Last Name

Kmel

MiddleName

-

Affiliation

Plant Protection Dept. College of Food and Agriculture Sciences, King Saud University, Riyadh

Email

-

City

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Orcid

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First Name

D.H.

Last Name

Al-Rajhi

MiddleName

-

Affiliation

Plant Protection Dept. College of Food and Agriculture Sciences, King Saud University, Riyadh

Email

-

City

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Orcid

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Volume

29

Article Issue

October-December

Related Issue

558

Issue Date

2008-10-01

Receive Date

2008-12-03

Publish Date

2008-12-30

Page Start

223

Page End

229

Print ISSN

1110-0176

Online ISSN

2536-9784

Article File

ASEJAIQJSAE_Volume 29_Issue October-December_Pages 223-229.pdf

PDF . 361.4kB

Link

https://asejaiqjsae.journals.ekb.eg/article_3202.html

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https://asejaiqjsae.journals.ekb.eg/service?article_code=3202

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Original Article

Type Code

53

Publication Type

Journal

Publication Title

Alexandria Science Exchange Journal

Publication Link

https://asejaiqjsae.journals.ekb.eg/

MainTitle

Detection and Elimination of Certain Insecticide Residues from Tomatoes and Green Peppers Fruits

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Article

Created At

22 Jan 2023