Inorganic and Organic Zinc Sources and Piriformospora indica Fungus on Reducing the Risk of Cadmium and Lead Due to the Lettuce (Lactuca sativa) Consumption
محل انتشار: مجله علوم پزشکی ایران، دوره: 11، شماره: 4
سال انتشار: 1402
نوع سند: مقاله ژورنالی
زبان: انگلیسی
مشاهده: 46
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شناسه ملی سند علمی:
JR_JHES-11-4_007
تاریخ نمایه سازی: 20 دی 1402
چکیده مقاله:
Background and Purpose: Accumulation of heavy metals and petroleum hydrocarbons lower than the dangerous range can still threaten human health by entering the food chain. Therefore, this research investigated the effect of inorganic and organic Zinc (Zn) sources and Piriformospora indica (P. indica) fungus on reducing the risk of cadmium (Cd) and lead (Pb) for humans due to lettuce consumption.
Materials and Methods: This research was done as a factorial arrangement in a completely randomized design. Statistical analyses were performed using SAS software, version ۹.۱. A total of ۵۴ treatments were prepared consisting of organic and inorganic Zn fertilizers at the rates of ۰, ۲۰, and ۴۰ kg Zn/ha in a Cd- and Pb-contaminated soil that was simultaneously polluted with crude oil (۰%, ۴%, and ۸% w/w) under cultivation of lettuce inoculated with P. indica. After ۴ months, the lettuce plant was harvested, and the Pb and Cd risk assessment was calculated according to the US Environmental Protection Agency formula.
Results: Plant inoculation with P. indica significantly decreased the hazard quotient (HQ) factor by ۱۱.۴% (۰.۴ units) for consumers of the lettuce cultivated in the soil polluted with ۸% w/w crude oil. Furthermore, using ۴۰ kg/ha pure Zn from a Zn-EDTA source in the crude oil-polluted soil (۴% w/w) significantly decreased the HQ factor by ۱۴.۳%.
Conclusion: Plant inoculation with P. indica and inorganic and organic Zn sources significantly decreased the HQ factor. Although this decrease depends on the type of plant, the kind of pollution and the physicochemical characteristics of the soil should be investigated in separate studies.
کلیدواژه ها:
نویسندگان
Amir Hossein Baghaie
Department of Soil Science, Arak Branch, Islamic Azad University, Arak, Iran.
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