Zincum Metallicum, a homeopathic drug, alleviates Zn-induced toxic effects and promotes plant growth and antioxidant capacity in Lepidium sativum L

In this study, we investigated the effect of the homeopathic drug Zincum Metallicum (ZM) on zinc (Zn) toxicity in the plant species Lepidium sativum L . We focused on growth parameters, Zn uptake and numerous biochemical parameters. Seedlings were hydroponically subjected during 7 days to 0.05, 500,...

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Published in:	Environmental science and pollution research international Vol. 29; no. 22; pp. 33872 - 33884
Main Authors:	Boudali, Ghazwa, Ghnaya, Tahar, Ben-Abdallah, Saoussen, Chalh, Abdallah, Sebei, Abdelaziz, Ouirghi, Zeineb, Chaffei-Haouari, Chiraz
Format:	Journal Article
Language:	English
Published:	Berlin/Heidelberg Springer Berlin Heidelberg 01-05-2022 Springer Nature B.V
Subjects:	Antioxidants Antioxidants - metabolism Aquatic Pollution Atmospheric Protection/Air Quality Control/Air Pollution Catalase Chlorophyll Chlorophyll - pharmacology Damage accumulation Earth and Environmental Science Ecotoxicology Environment Environmental Chemistry Environmental Health Environmental science Enzymatic activity Flavonoids Glutathione Glutathione reductase Hydroponics Leaves Lepidium sativum Malondialdehyde - pharmacology Oxidative Stress Parameters Peroxidase Photosynthesis Plant growth Plant Roots - metabolism Plant species Reductases Research Article Roots Seedlings Superoxide dismutase Superoxide Dismutase - metabolism Toxicity Translocation Waste Water Technology Water Management Water Pollution Control Zinc Zinc - pharmacology Polyphenols L Growth Zincum Metallicum Antioxidant enzymes Zinc Lepidium sativum L
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Summary:	In this study, we investigated the effect of the homeopathic drug Zincum Metallicum (ZM) on zinc (Zn) toxicity in the plant species Lepidium sativum L . We focused on growth parameters, Zn uptake and numerous biochemical parameters. Seedlings were hydroponically subjected during 7 days to 0.05, 500, 1000, 1500 and 2000 µM Zn 2+ , in the absence or presence of 15ch or 9ch ZM. In the absence of ZM, Zn induced negative effect on growth especially at the dose of 2 mM. Zn induced also chlorosis, reduced total chlorophyll and/or carotenoid content and increased the level of malondialdehyde (MDA). Under Zn toxicity (500, 1000 and 1500 µM), the superoxide dismutase (SOD), catalase (CAT), gaiacol peroxidase (GPX) and glutathione reductase (GR) activities were increased or not significantly affected, while at 2000 µM Zn affected the activity of these enzymes. At the highest Zn level (2 mM), proline and total polyphenol and flavonoid contents were markedly increased in leaves and roots of L. sativum. Additionally, ZM supply considerably ameliorated the plant growth, photosynthetic pigment contents and increased non-enzymatic antioxidant molecules and enzymatic activities against Zn-induced oxidative stress. Our data suggest that homeopathic properties of ZM may be efficiently involved in the restriction of Zn-induced oxidative damages, by lowering Zn accumulation and translocation in the leaves and roots of Lepidium sativum L.
Bibliography:	ObjectType-Article-1 SourceType-Scholarly Journals-1 ObjectType-Feature-2 content type line 23
ISSN:	0944-1344 1614-7499
DOI:	10.1007/s11356-022-18633-0