Extraction Methods, Quantitative and Qualitative Phytochemical Screening of Medicinal Plants for Antimicrobial Textiles: A Review

Nortjie, Elvino; Basitere, Moses; Moyo, Doice; Nyamukamba, Pardon

doi:10.3390/plants11152011

Cited by 46 publications

(39 citation statements)

References 72 publications

(96 reference statements)

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“…In Mayer's test, the appearance of a yellow color on using Mayer reagent indicates the presence of alkaloids. Whereas, in Wagner's test a brown-reddish brown is developed upon using Wagner's reagent that indicates the presence of alkaloids (Trease and Evans, 1989;Wallis, 1989;Pandey and Tripathi, 2014;Beena et al, 2016;Dhawan and Gupta, 2017;Nortjie et al, 2022).…”

Section: Identification Of Alkaloidsmentioning

confidence: 99%

“…The presence of flavonoids is indicated by a precipitate that is yellow in color. In the sulfuric acid test; after a couple of drops of sulfuric acid are added to the extracts, an orange color appears, indicating the presence of flavonoids (Trease and Evans, 1989;Wallis, 1989;Pandey and Tripathi, 2014;Beena et al, 2016;Dhawan and Gupta, 2017;Nortjie et al, 2022).…”

Section: Identification Of Flavonoidsmentioning

confidence: 99%

“…Likewise, on adding a few drops of acetic anhydride to the extracts causes samples to turn violet then blue and lastly to green, which is a sign of the presence of steroids (Trease and Evans, 1989;Wallis, 1989;Pandey and Tripathi, 2014;Beena et al, 2016;Dhawan and Gupta, 2017;Nortjie et al, 2022).…”

Section: Identification Of Steroidsmentioning

confidence: 99%

“…This test is conducted by adding 3 mL of concentrated sulfuric acid to an extract of 5 mg of the targeted plant component. Eventually, the presence of terpenoids is indicated by the appearance of reddish-brown color (Trease and Evans, 1989;Wallis, 1989;Pandey and Tripathi, 2014;Beena et al, 2016;Dhawan and Gupta, 2017;Nortjie et al, 2022).…”

Section: Identification Of Terpenoidsmentioning

confidence: 99%

“…The liquid is then heated before a few drops of 10% NH 3 are added. Anthraquinones are present when a pink color forms, indicating their presence (Trease and Evans, 1989;Wallis, 1989;Pandey and Tripathi, 2014;Beena et al, 2016;Dhawan and Gupta, 2017;Nortjie et al, 2022).…”

Section: Identification Of Anthraquinonesmentioning

confidence: 99%

See 4 more Smart Citations

Evaluation of the antimicrobial effects of Capsicum, Nigella sativa, Musa paradisiaca L., and Citrus limetta: A review

Bhatti¹,

Hussain²,

Mohsin³

et al. 2022

Front. Sustain. Food Syst.

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The extensive use of antibiotics and vaccines against microbial infections can result in long-term negative effects on humans and the environment. However, there are a number of plants that have antimicrobial effects against various disease-causing microbes such as bacteria, viruses, and fungi without negative side effects or harm to the environment. In this regard, four particular plants- Capsicum, Nigella sativa, Musa paradisiaca L., and Citrus limetta have been widely considered due to their excellent antimicrobial effect and ample availability. In this review, we discuss their antimicrobial effects due to the presence of thymoquinone, p-cymene, pinene, alkaloids, limonene, camphene, and melanin. These antimicrobial compounds disrupt the cell membrane of microbes, inhibit cellular division, and form biofilm in bacterial species, eventually reducing the number of microbes. Extraction of these compounds from the respective plants is carried out by different methods such as soxhlet, hydro-distillation, liquid-liquid extraction (LLE), pressurized liquid extraction (PLE), solid-phase extraction (SPE), supercritical fluid extraction (SFE), pulsed electric field (PEF), microwave-assisted extraction (MAE), enzyme-assisted extraction (EAE), ultrasound-assisted extraction (UAE), and high-voltage electrical discharge. Suitable selection of the extraction technique highly depends upon the associated advantages and disadvantages. In order to aid future study in this field, this review paper summarizes the advantages and disadvantages of each of these approaches. Additionally, the discussion covers how antimicrobial agents destroy harmful bacteria. Thus, this review offers in-depth knowledge to researchers on the antibacterial properties of Capsicum, Nigella sativa, Musa paradisiaca L. peels, and Citrus limetta.

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Section: Identification Of Alkaloidsmentioning

confidence: 99%

Section: Identification Of Flavonoidsmentioning

confidence: 99%

Section: Identification Of Steroidsmentioning

confidence: 99%

Section: Identification Of Terpenoidsmentioning

confidence: 99%

Section: Identification Of Anthraquinonesmentioning

confidence: 99%

See 3 more Smart Citations

Evaluation of the antimicrobial effects of Capsicum, Nigella sativa, Musa paradisiaca L., and Citrus limetta: A review

Bhatti¹,

Hussain²,

Mohsin³

et al. 2022

Front. Sustain. Food Syst.

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Analysis and comparison of bioactive phytochemical composition and antibacterial property of two Ethiopian indigenous medicinal plants

Adamu,

Gao,

Xiangnan

et al. 2024

Chemistry & Biodiversity

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Indigenous medicinal plants with naturally inherited antimicrobial properties are promising sources of antimicrobial agents. Two indigenous Ethiopian traditional medicinal plants (Rhamnus prinoide and Croton macrostachyus) extracted using different solvents and the yield percentage, phytochemical analysis and antimicrobial activity of the plant extracts were examined and compared. The results of this study revealed that Rhamnus prinoide leaf extract using aqueous methanol/ethanol (1:1) had the highest yield (15.12 %), a minimum inhibitory concentration of 0.625 mg/mL, and a minimum bactericidal concentration of 10mg/mL against S. aureus. Croton macrostachyus leaves showed a yield of 14.7 ±0.37%, a minimum inhibitory concentration of 40 mg/mL, and a minimum bactericidal concentration of 40 mg/mL against S. aureus and E. coli. GC‐MS analysis revealed that aqueous methanol/ethanol (1:1) of Rhamnus prinoide and Croton macrostachyus leaf extracts were composed of bioactive carbohydrates, flavonoid acid phenols, and terpenoids, while Croton macrostachyus extract contained primarily phytol (30.08%). The presence of bioactive compounds confirms the traditional use of these plant leaves to treat various diseases, including wounds, leading to the conclusion that they could be applied to textiles for wound dressing in future studies.

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Evaluation of Anti‐Hyperlipidemic Activity of the Seeds Extracts of Ficus carica: In Vitro and In Silico Approaches

Fayyaz,

Islam,

Ahmed

et al. 2024

Cell Biochemistry & Function

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Obesity and hyperlipidemia have become major disorders predominantly causing prevailing cardiovascular diseases and ultimately death. The prolonged use of anti‐obesity drugs and statins for reducing obesity and blood lipid levels is leading toward adverse effects of kidneys and muscles, specifically rhabdomyolysis. The objective of this study is to evaluate potential of seeds of Ficus carica against hyperlipidemia. Various extracts and isolated compounds from fig seeds were analyzed and evaluated for their anti‐hyperlipidemic potential. Methanol extract and its ethyl acetate fraction showed maximum pancreatic lipase inhibition of 61.93% and 86.45% in comparison to reference drug Orlistat. Four compounds isolated by HPLC‐PDA technique were determined as Gallic acid, Catechin, Epicatechin, and Quercetin also showed strong potential to inhibit enzyme pancreatic lipase comparable to Orlistat. These isolated compounds were further analyzed for molecular docking and MM‐GBSA studies. Three ligands, namely Quercetin, Epicatechin, and Catechin were found more effective against pancreatic lipase as these possessed docking scores (−9.881, −9.741, −9.410) higher to that of the reference ligand Orlistat (−5.273). The binding free energies of these compounds were −55.03, −56.54, and 60.35 kcal/mol, respectively. The results have shown that Quercetin has the highest binding affinity correlating with the highest inhibition of pancreatic lipase enzyme 1LPB. Hence, it is suggested that seeds of F. carica have promising anti‐hyperlipidemic potential and foremost in reducing obesity.

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Extraction Methods, Quantitative and Qualitative Phytochemical Screening of Medicinal Plants for Antimicrobial Textiles: A Review

Cited by 46 publications

References 72 publications

Evaluation of the antimicrobial effects of Capsicum, Nigella sativa, Musa paradisiaca L., and Citrus limetta: A review

Evaluation of the antimicrobial effects of Capsicum, Nigella sativa, Musa paradisiaca L., and Citrus limetta: A review

Analysis and comparison of bioactive phytochemical composition and antibacterial property of two Ethiopian indigenous medicinal plants

Evaluation of Anti‐Hyperlipidemic Activity of the Seeds Extracts of Ficus carica: In Vitro and In Silico Approaches

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