Antimicrobial activity of Ethanolic extracts of leaves and stems of Peristrophe bivalvis Merrill

Tanavade, Sangeeta S.; Naikwade, N. S.; Chougule, Dhanyakumar D.

doi:10.7439/ijbr.v3i2.276

Cited by 9 publications

(2 citation statements)

References 6 publications

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“…While the work of PEREIRA et al (2011) MIC values slightly higher (1.0g L -1 ) was necessary in A. humile leaf extract for S. aureus inhibition. Our results are interesting because low MIC values exhibited by plant extracts represent a possible replacement of the usual antibiotics used to treat infections (TANAVADE et al, 2012).…”

Section: Introductionmentioning

confidence: 81%

Antibacterial activity tannin-rich fraction from leaves of Anacardium humile

et al. 2012

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Section: Introductionmentioning

confidence: 81%

Antibacterial activity tannin-rich fraction from leaves of Anacardium humile

et al. 2012

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“…Phaopongthai et al [9] reported that P. bivalvis ethanolic extracts had the anti-snake venom activity against Naja kaouthia and Trimeresurus albolabris venoms. Another study highlighted the effectiveness of P. bivalvis ethanolic extracts on inhibition of bacteria consisting of Bacillus subtilis, Staphylococcus aureus, Escherichia coli, and Pseudomonas aeruginosa [10,11]. Thuy et al showed the new application of P. bivalvis by evaluating the alkaloid components from purple and red varieties growing in Vietnam [12,13].…”

Section: Introductionmentioning

confidence: 99%

The Potential Use of a Food-Dyeing Plant <i>Peristrophe bivalvis</i> (L.) Merr. in Northern Vietnam

Quan

Khang

Thi

et al. 2016

IJPPE

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Abstract. An investigation on the current usage status and experience in using Peristrophe bivalvis (L.) Merr. was conducted in the mountainous region of Northern Vietnam. Five varieties were collected and recorded as a source of foodstuff-dyeing and medicinal plants on indigenous knowledge of ethnic minorities in the study area, of which, three varieties were dyed purple, one red and one yellow-orange; with two varieties being used for the treatment of haemoptysis, dysentery, liver disease, kidney failure, and jaundice. Two extraction methods using organic solvents and aqueous solvent were applied to spectrophotometrically investigate the phytochemical contents of Peristrophe bivalvis varieties. Accordingly, the coloration components of Peristrophe bivalvis varieties were contributed by a complex compound of photosynthetic pigments, anthocyanins, flavonoids. Also, the total phenolics, total flavonoids and effect of extraction methods, dissolved solutions (water and methanol) on these contents were assessed. Besides, screening antioxidant capacity of Peristrophe bivalvis varieties was assayed by 1,1-diphenyl-2-picrylhydrazyl (DPPH) method which showed stronger radical inhibition of organic extractions than that of aqueous extractions. The results of determination of phytochemicals and antioxidant capacity support the knowledge and experience in using Peristrophe bivalvis varieties as natural dyeing production for food and pharmaceutical industry.

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Green synthesis, Characterization and In vitro Biological Studies of Quercetin complexes with Zn (II) Acetate and N^N Moiety

Srivastava¹,

Mishra²,

Tiwari³

et al. 2021

RJPT

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Green synthesis of two coordination complexes of zinc acetate with N^N moiety on quercetin, which is a flavonoid is carried out. The complexes were obtained in high yields (> 97%) by grinding methods without the involvement of any solvent. Neither catalyst nor any additives were needed to perform the reactions. It was characterized by FT-IR, UV-Vis, NMR, HRMS, and elemental analysis. Antioxidant activity was done through the DPPH method which was compared with ascorbic acid and ligand (Quercetin). The study reveals that Complex 1 (IC50 163.093µg/ml) has significant free radical scavenging activity as compared to complex 2 (IC50 258.683µg/ml). Biological activity was performed against microbes (E. coli and S. aureus). MIC value of complex 1 (15.50µg/ml E. coli, 7.18µg/ml S. aureus) was found more significant as compared to complex 2 (22.51µg/ml E. coli, 18.62µg/ml S. aureus) and quercetin.

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Antimicrobial activity of Ethanolic extracts of leaves and stems of Peristrophe bivalvis Merrill

Cited by 9 publications

References 6 publications

Antibacterial activity tannin-rich fraction from leaves of Anacardium humile

Antibacterial activity tannin-rich fraction from leaves of Anacardium humile

The Potential Use of a Food-Dyeing Plant <i>Peristrophe bivalvis</i> (L.) Merr. in Northern Vietnam

Green synthesis, Characterization and In vitro Biological Studies of Quercetin complexes with Zn (II) Acetate and N^N Moiety

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