Citric acid assisted phytoremediation of copper by Brassica napus L.

Zaheer, Ihsan Elahi; Ali, Shafaqat; Rizwan, Muhammad; Farid, Mujahid; Shakoor, Muhammad Bilal; Gill, Rafaqa Ali; Ullah, Najeeb; Iqbal, Naeem; Ahmad, Roslina

doi:10.1016/j.ecoenv.2015.06.020

Cited by 206 publications

(114 citation statements)

References 47 publications

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“…(7.1%) vs. in Sudan-1 (1.9%) and confirming its better palatability as recognized by consumers. Malic acid is commonly found in unripe fruit and contributes to its sour taste (Hulme & Wooltorton, 1958), whereas citric acid is an antioxidant with the ability to chelate metals that could account for Hibiscus antioxidant activity (Zaheer et al, 2015). Malic acid represents 1.8% & Table 1 Relative percentage of volatile components in Hibiscus sabdariffa cultivars Aswan and Sudan-1 using SPME-GC-MS.…”

Section: Gc-ms Analysis Of Primary Metabolitesmentioning

confidence: 99%

Volatiles and primary metabolites profiling in two Hibiscus sabdariffa (roselle) cultivars via headspace SPME - GC-MS and chemometrics

Farag

Rasheed

Kamal

2015

Food Research International

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Section: Gc-ms Analysis Of Primary Metabolitesmentioning

confidence: 99%

Volatiles and primary metabolites profiling in two Hibiscus sabdariffa (roselle) cultivars via headspace SPME - GC-MS and chemometrics

Farag

Rasheed

Kamal

2015

Food Research International

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“…Many factors are involved in inhibiting plant growth when they are exposed to high concentrations of HMs. Zaheer [30] indicated that the effects of copper on the growth rate of B. napus significantly decreased with the excess of Cu, in which this decline is attributed to changes in root morphology and impairment of nutrient uptake. Another study by Ali [55] shows that this decrease in wheat plant growth rates is attributed to the mesophilic cell dysfunction because of oxidative stress in leaves.…”

Section: Determining Plant Growth (Percentage Of Shoot Length and Permentioning

confidence: 99%

“…Basically, the LP could be used as an indicator of oxidative stress on the plants [9,[29][30]. When the antioxidant enzyme is unable to wipe out the damaging effects of free radicals and ROS in plants completely, the LP causes the oxidation of membrane lipids that can disable the cell structure and membrane of the organelle [9].…”

Section: Determination Of Lipid Per Oxidation (Lp)mentioning

confidence: 99%

“…A previous study showed the effects of HMs (Cu and Pb) on B. napus and implicated the excessive amount of Cu (50 or 100 Mm) in the decline of a number of photosynthetic-related indices, including the rate of photosynthesis (μmol CO 2 m-2 s-1), intercellular CO 2 concentration (μmol CO 2 mol-1), conductance to H 2 O (mol H 2 O m-2 s-1), and net assimilation, as well as transpiration [30]. It also significantly decreased the transpiration rate, stomatal conductance, net photo synthetic rate, and water use efficiency by Pb [49].…”

Section: Gas Exchange Parameters (Photosynthesis Indices)mentioning

confidence: 99%

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HMs Induced Changes on Growth, Antioxidant Enzyme’s Activity, gas Exchange Parameters and Protein Structures in Sasa Kongosanensis f. Aureo – Striatus

Emamverdian¹,

Ding²

2017

Pol. J. Environ. Stud.

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Nowadays, the contaminations generated by anthropogenic activities have had damaging effects on the life cycle of plants, particularly on the plants living in the vicinity of urban areas that are more associated with the life of people. Bamboo, as a local plant, is one of the most widely used plants in China. So, a pot experiment was conducted to investigate the effects of three HMs (Cu, Pb, and Zn) in four different concentrations (0 (for control), 500 mg/kg, 1000 mg/kg, and 200 mg/kg), with complete randomized design (CRD) by five replications for each treatment to measure the antioxidant enzymes, lipid per oxidation (LP), soluble protein (SP), gas exchange parameters, and morphological indexes in Sasa kongosanensis f. aureostriatus. The results indicated that the antioxidant responses had an arc-shaped trend with various alterations in which POD and CAT first increase with low concentration of HMs (500 mg/kg) and then decrease with the increase of heavy metal (1000 mg/kg and 2000 mg/kg). Additionally, measuring of MDA content and soluble protein illustrated that MDA content and soluble protein increase with excess of HMs in different levels, and also the excess of HMs significantly decreases the photosynthesis properties. Moreover, the results obtained by morphological indices showed that low concentration of HMs increases both percentage of shoot length and percentage of emerge plants at all three kinds of HMs, but observe a downward trend with excess of heavy metal in 1000 mg/kg and 2000 mg/kg. Overall, in "Sasa kongosanensis f. aureo -striatus, results indicated that low concentration of HMs (500 mg/kg) can help the plant growth, while excess of HMs (1000-2000 mg/kg) alleviates the plant growth. On the other hand, Pb revealed the lowest antioxidant

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“…The essential elements are required in trace amounts for the normal growth and development of plants and animals, and hence they are usually known as micronutrients. However, these elements are toxic to living organisms when present at elevated concentrations (Rahman and Hasegawa, 2011;Zaheer et al, 2015). Since no biological functions of nonessential elements have been identified, they are toxic to plants, animals, and/or humans even at low concentrations (Kabata-Pendias and Pendias, 2001;Wuana and Okieimen 2011;Rizwan et al 2015).…”

Section: Introductionmentioning

confidence: 99%

The possibilities of water purification using phytofiltration methods: a review of recent progress

Hanus-Fajerska¹,

Koźmińska²

2016

bta

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Contaminated water can be purified using mechanical, chemical, or biological methods. Environmentally safe technology of phytoremediation involving plant metabolism is also an alternative solution. Phytofiltration, classified as one of the most promising among phytoremediation, is a technique that relies on remediation of contaminated water through absorption or precipitation and further concentration of pollutants. Currently, only very few plant species are known to be fully suitable to be used for this technology. Such species can efficiently remove toxic metal ions from a solution because of rapidly grown biomass. The selection of suitable plant material for phytofiltration is still considered the most difficult step, especially when purification of groundwater contaminated with a mixture of compounds is concerned. The advantages of this technique are presented herein, especially in relation to water reservoirs contaminated with trace metals.

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Citric acid assisted phytoremediation of copper by Brassica napus L.

Cited by 206 publications

References 47 publications

Volatiles and primary metabolites profiling in two Hibiscus sabdariffa (roselle) cultivars via headspace SPME - GC-MS and chemometrics

Volatiles and primary metabolites profiling in two Hibiscus sabdariffa (roselle) cultivars via headspace SPME - GC-MS and chemometrics

HMs Induced Changes on Growth, Antioxidant Enzyme’s Activity, gas Exchange Parameters and Protein Structures in Sasa Kongosanensis f. Aureo – Striatus

The possibilities of water purification using phytofiltration methods: a review of recent progress

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