Article: Validation of a rapid method for simultaneous determination of different plant-protecting products in vegetables Journal: International Journal of Environment and Waste Management (IJEWM) 2025 Vol.38 No.3 pp.324 - 334 Abstract: Indiscriminate application of plant protecting products (PPPs) closer to harvest led to residues in vegetable crops. Various methods for estimating pesticide residues in vegetables have been used, but they are often laborious, time-consuming, or expensive. A cost-effective HPLC method was developed for the simultaneous analysis of different PPPs viz., pendimethalin, atrazine, fipronil, penoxsulam, and fenvalerate in six vegetables namely, cabbage, green beans, cauliflower, eggplant, cucumber, and tomato. All PPPs demonstrated good linearity with correlation coefficient ≥ 0.99. The LOD and LOQ were found to be in the range of 0.01 µg mL-1 -0.05 µg mL-1, and 0.04 µg mL-1 -0.2 µg mL-1. The % recovery and% relative standard deviations of all PPPs at three spiked concentrations ranged from 72.2 to 95.0% and 0.1 to 3.8%. The devised method was validated successfully and is suitable for quantifying and identifying PPPs in vegetables. Inderscience Publishers - linking academia, business and industry through research

Title: Validation of a rapid method for simultaneous determination of different plant-protecting products in vegetables

Authors: Komal Rawat; Anjana Srivastava; Shishir Tandon; Gajanpal Singh

Addresses: Department of Chemistry, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Udham Singh Nagar, Uttarakhand, 263145, India ' Department of Chemistry, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Udham Singh Nagar, Uttarakhand, 263145, India ' Department of Chemistry, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Udham Singh Nagar, Uttarakhand, 263145, India ' Department of Chemistry, Govind Ballabh Pant University of Agriculture and Technology, Pantnagar, Udham Singh Nagar, Uttarakhand, 263145, India

Abstract: Indiscriminate application of plant protecting products (PPPs) closer to harvest led to residues in vegetable crops. Various methods for estimating pesticide residues in vegetables have been used, but they are often laborious, time-consuming, or expensive. A cost-effective HPLC method was developed for the simultaneous analysis of different PPPs viz., pendimethalin, atrazine, fipronil, penoxsulam, and fenvalerate in six vegetables namely, cabbage, green beans, cauliflower, eggplant, cucumber, and tomato. All PPPs demonstrated good linearity with correlation coefficient ≥ 0.99. The LOD and LOQ were found to be in the range of 0.01 µg mL^-1 -0.05 µg mL^-1, and 0.04 µg mL^-1 -0.2 µg mL^-1. The % recovery and% relative standard deviations of all PPPs at three spiked concentrations ranged from 72.2 to 95.0% and 0.1 to 3.8%. The devised method was validated successfully and is suitable for quantifying and identifying PPPs in vegetables.

Keywords: plant protecting products; PPPs; HPLC; QuEChERS; quantification; vegetables; validation.

DOI: 10.1504/IJEWM.2025.149638

International Journal of Environment and Waste Management, 2025 Vol.38 No.3, pp.324 - 334

Received: 08 Sep 2023
Accepted: 23 Oct 2024
Published online: 07 Nov 2025 *

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Title: Validation of a rapid method for simultaneous determination of different plant-protecting products in vegetables

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