Fractionation and Bioavailability of Trace Elements in Wuyi Rock Tea Garden Soil

Ye, Hongmeng; Li, Guoping; Yuan, Xuyin; Zheng, Minghui

doi:10.15244/pjoes/75793

Cited by 5 publications

(4 citation statements)

References 16 publications

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“…Also, depending on the physicochemical characteristics of the soil, such as ORP, pH, conductivity, soil texture, organic matter and organic carbon, heavy metals may enter from the soil to the aquatic ecosystem and contaminate the drinking water system [8,9]. Heavy metal pollution in soil has become an important problem worldwide and researchers have focused on this pollution [10][11][12][13].…”

Section: Introductionmentioning

confidence: 99%

“…Heavy metals accumulate in different geochemical fractions (organic-associated, exchangable, carbonateassociated, Fe, Mn oxide-associated and phyllosilicate minerals) in soils or sediments. In the soil or sediment, the bioavailable concentrations of trace elements are analyzed by using sequential extraction procedures that are commonly used to examine the mobility of trace elements in the soil [11,[14][15][16][17]. In the soil analyzed by this method; information on total concentrations, mobility and toxicity of heavy metals can be obtained.…”

Section: Introductionmentioning

confidence: 99%

“…In these studies, the ecological risks of heavy metals were assessed by total concentration of the metals in soil or sediment. Total concentration of the metals can't provide effective ecological risk assessment in soil or sediment [8,11,25,26]. So, heavy metal concentrations in soil should be determined according to the metal fractions.…”

Section: Introductionmentioning

confidence: 99%

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Risk Assessment and Chemical Fractionation of Heavy Metals by BCR Sequential Extraction in Soil of the Sapanca Lake Basin, Turkey

Ateş¹,

Demirel²,

Mergul³

2020

Pol. J. Environ. Stud.

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Sapanca Lake is an important drinking water source located by D-100 highway in the north and E-80 (TEM Anatolian Highway) and a railway line in the south. Heavy metal concentrations in roadside soils result from vehicle exhausts and the corroding metal parts of vehicles. Due to the difficulty of removing heavy metals from the soil, a significant pollution problem arises and this pollution also affects the water resources by means of rain. Although there are several industries, the highway located near the lake is the most important pollutant source for Sapanca Basin. Therefore, this study evaluated heavy metal concentrations, the chemical fractions of the metals and ecological risks (by using C f , RAC and PERI) in the soil samples collected seasonally between 2015 and 2017 in Sapanca Lake Basin. Al and Fe were determined at very high amounts in all stations and the relationship between mean concentrations of other metals was determined to be Zn>Ba>As>Ni>Cr>Pb>Cu>Co>Cd. However, Zn, Ba, As, Ni, Cr, Pb, Cu, Co and Cd mean concentrations were determined as 87.63 mg/kg, Ba 86.87 mg/kg, 80.40 mg/kg, 58.62 mg/kg, 50.42 mg/kg, 41.90 mg/kg, 38.16 mg/kg, 13.98 mg/kg, 2.89 mg/kg respectively. Al, Fe, Co, Cr, Cu, Ni and Zn are mainly found in residual fractions in soil. According to the environmental risk assessment on the basis of soil stations, the 7 th station has the highest GC f value, which means that the soil sample presents the highest environmental risk according to the contamination factors. On the other hand, Cd has serious potential ecological risk and As has considerable potential ecological risk in all stations.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Risk Assessment and Chemical Fractionation of Heavy Metals by BCR Sequential Extraction in Soil of the Sapanca Lake Basin, Turkey

Ateş¹,

Demirel²,

Mergul³

2020

Pol. J. Environ. Stud.

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“…Tea is one of the most consumed nonalcoholic beverages, which possesses numerous benefits for human health, including anticancer, antioxidant properties, reduction of free radicals, and other unique health advantages [1][2][3]. As the birthplace of Chinese oolong and black teas, Wuyishan has a long history of tea production [4]. According to the different geographical environment, Wuyi Rock Tea has been classified as Zhengyan Rock Tea (ZYRT), Banyan Rock Tea (BYRT) and Zhou Rock Tea (ZRT).…”

Section: Introductionmentioning

confidence: 99%

The Distribution of Phosphorus Forms in Wuyi Rock Region and Its Effect on Tea Quality-Related Constituents in Tea Garden Soil

Ye¹,

Li²,

Yuan³

et al. 2021

Pol. J. Environ. Stud.

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Phosphorus is an essential element for life, an innate constituent of soil organic matter, and a major anthropogenic input to terrestrial ecosystems. This paper employed the sequential extraction method for phosphorus fraction to study the distribution of phosphorus in different region in Wuyishan. Hierarchical cluster and correlation were used for investigating the relationship between the phosphorus form and tea quality-related constituents in Zhengyan Rock Tea (ZYRT), Banyan Rock Tea (BYRT) and Zhou Rock Tea (ZRT). The result showed that the concentration of phosphorus in different regions followed this order: ZYRT>BYRT>ZRT. The relative contribution of phosphorus fraction in different regions show the similar trend: Metal Oxide Bound Phosphorus (NaOH-P)>Calcium Bound Phosphorus (HCl-P)> Reduced Phosphorus (BD-P)>Adsorbed Phosphorus (NH 4 Cl-P). The maximum content of water extract (WE), caffeine (CF), tea polyphenols (TPP) and total amount of amino acids (TAA) in tea leaves is in ZYRT, followed BYRT, and least in the ZRT. The phosphorus forms seem to have no obvious effects on the tea quality in the ZYRT and BYRT area, while TPP and NaOH-P, TPP and HCl-P are significantly positively correlated (r = 0.912, r = 0.956, r = 0.938; p<0.01) in ZRT.

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Chemical fractions of toxic metals and assessment of risks on the environment and health in Mugla topsoils

Demirak

Kocakaya

Keskin

2021

Int. J. Environ. Sci. Technol.

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Fractionation and Bioavailability of Trace Elements in Wuyi Rock Tea Garden Soil

Cited by 5 publications

References 16 publications

Risk Assessment and Chemical Fractionation of Heavy Metals by BCR Sequential Extraction in Soil of the Sapanca Lake Basin, Turkey

Risk Assessment and Chemical Fractionation of Heavy Metals by BCR Sequential Extraction in Soil of the Sapanca Lake Basin, Turkey

The Distribution of Phosphorus Forms in Wuyi Rock Region and Its Effect on Tea Quality-Related Constituents in Tea Garden Soil

Chemical fractions of toxic metals and assessment of risks on the environment and health in Mugla topsoils

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