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Bikbulatova, T. N.; Korul’kina, L. M.

doi:10.1023/a:1012501620145

Cited by 5 publications

(2 citation statements)

References 4 publications

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“…Regarding the other main polyphenolics, isorhamnetin was reported to have been identified from T. hispida , T. elongata and T. laxa which were all collected from southern Kazakhstan [11,14]. Quercetin was a common compound in the Tamarix species and had been identified by several researchers [5,8,10,11,15]. Compared to the results of this work, other researchers obtained different polyphenolic compounds from Tamarix .…”

Section: Resultsmentioning

confidence: 50%

“…Flavonoids, which are one group of polyphenolics, are secondary metabolites in plants and act as antioxidants [6]. Many types of polyphenols, such as flavonoids and phenolic acids, were reported in Tamarix species [1,2,7,8,9,10,11]. In this work, the TPC of T. ramosissima bark extract was 323.45 mg gallic acid equivalent (GAE)/g, and the TFC was 87.32 quercetin equivalent (QE)/g.…”

Section: Resultsmentioning

confidence: 99%

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Isorhamnetin, Hispidulin, and Cirsimaritin Identified in Tamarix ramosissima Barks from Southern Xinjiang and Their Antioxidant and Antimicrobial Activities

et al. 2019

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As a natural potential resource, Tamarix ramosissima has been widely used as barbecue skewers for a good taste and unique flavor. The polyphenolics in the branch bark play a key role in the quality improvement. The purposes of the present work were to explore the polyphenolic composition of T. ramosissima bark extract and assess their potential antioxidant and antimicrobial activities. Hispidulin and cirsimaritin from T. ramosissima bark extract were first identified in the Tamarix genus reported with UPLC-MS analysis. Isorhamnetin (36.91 μg/mg extract), hispidulin (28.79 μg/mg extract) and cirsimaritin (13.35 μg/mg extract) are rich in the bark extract. The extract exhibited promising antioxidant activity with IC50 values of 117.05 μg/mL for 1,1-diphenyl-2-picrylhydrazyl (DPPH) and 151.57 μg/mL for hydroxyl radical scavenging activities, as well as excellent reducing power with an EC50 of 93.77 μg/mL. The bark extract showed appreciable antibacterial properties against foodborne pathogens. Listeria monocytogenes was the most sensitive microorganism with the lowest minimum inhibitory concentration (MIC) value of 5 mg/mL and minimum bactericidal concentration (MBC) value of 10 mg/mL followed by S. castellani and S. aureus among the tested bacteria. The T. ramosissima bark extract showed significantly stronger inhibitory activity against Gram-positive than Gram-negative bacteria. Nevertheless, this extract failed to show any activity against tested fungi. Overall, these results suggested that T. ramosissima shows potential in improving food quality due to its highly efficacious antioxidant and antibacterial properties.

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Section: Resultsmentioning

confidence: 50%

Section: Resultsmentioning

confidence: 99%

Isorhamnetin, Hispidulin, and Cirsimaritin Identified in Tamarix ramosissima Barks from Southern Xinjiang and Their Antioxidant and Antimicrobial Activities

et al. 2019

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Long-term changes of Tamarix-vegetation in the oasis-desert ecotone and its driving factors: implication for dryland management

Wang

Zhu

et al. 2009

Environ Earth Sci

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The Oasis-desert ecotone plays an important role in ensuring oasis ecological security. This study was to determine the main factors on the changes of desert vegetation in the oasis-desert ecotone, and to understand the mechanisms of the long-term changes. During past 50 years, the dominant plant species of Tamarix-vegetation in the Minqin oasis-desert ecotone changed from mesophytes to xerophytes and finally to super-xerophytes. The vegetative distribution area (belt width of Tamarix-vegetation between desert and oasis) markedly decreased from 1,000 m past to 30 m current. The coverage of Tamarix bushes reduced from 25 to 7%. The importance value (IV) of the bushes fell from 0.957 to 0.752, and Simpson index decreased from 0.702 in 1959-0.589 in 1992, and then increased to 0.712 in 2002. These changes in vegetation were closely related with the rapid decrease of groundwater table and the reduction of soil moisture due to unsustainable use of water resources for expanded agriculture development. These findings suggested that the change of Tamarixvegetation in the oasis-desert ecotone was a process of vegetation degradation and concurrent desertification. The maintaining of stable groundwater and Tamarix-vegetation is a vital prerequisite for dryland management, especially, conserving ecological health of oasis-desert systems.

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