Isolation of polysaccharides from Malva aegyptiaca and evaluation of their antioxidant and antibacterial properties

Fakhfakh, Nahed; Abdelhedi, Ola; Jdir, Hamida; Zouari, Nacim

doi:10.1016/j.ijbiomac.2017.07.105

Cited by 39 publications

(19 citation statements)

References 30 publications

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“…This may be due to the fact that the ethanolic extracts contain more biologically active phytochemicals than the chloroform extract. Overall, results revealed that extracts are potential source of bioactive compounds and these findings are in line with previous studies (Bajalan et al, 2017;Fakhfakh et al, 2017;Giacomini et al, 2017;Meng et al, 2017;Nair et al, 2017;Palanisamy et al, 2017;Paliwal et al, 2017;Sagbo et al, 2017).…”

Section: Antibacterial Activities Of Fruit Extractssupporting

confidence: 92%

Comparative study of the antioxidant and antibacterial activities of two guava (Psidium guajava) fruit varieties cultivated in Andasa Horticulture Site, Ethiopia

Int¹

2019

Preprint

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This investigation was carried out to evaluate the levels of phytochemicals and antioxidant potential as well as antibacterial activity of the two varieties of guava (Psidium guajava) fruit collected from Andasa horticulture site, Ethiopia. The antioxidant potential for guava fruit extracts was assessed using different in-vitro antioxidant assays, namely reducing power, Folin-Ciocalteu (F-C) assay and aluminum chloride methods. Overall, the white flesh guava fruit exhibited the highest levels of TPC, TFC and reducing power than the pink flesh guava. The mg/100g of AEAC (FRAP assay), AEAC (PMA), GAE and QE of pink and white flesh guava fruits determined in this study were 125.73, 260.28, 262.78, 377.18, 21.25, 24.61, 7.05 and 22.10, respectively. Antibacterial property of the two guava fruit variety extracts was evaluated against three gram-positive and two gram-negative bacteria using agar well diffusion technique. Ethanol extracts from both pink and white flesh guava exhibited antibacterial activity with zone of inhibition ranging from 29.50 to 30.33 and 24.33 to 29.33 mm respectively. On the other hand, only the chloroform extract from pink flesh guava showed poor antibacterial activity against MRSA and Shigella pathogens among the five tested organisms and the zone of inhibition measured was 11 and 10 mm respectively.

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Section: Antibacterial Activities Of Fruit Extractssupporting

confidence: 92%

Comparative study of the antioxidant and antibacterial activities of two guava (Psidium guajava) fruit varieties cultivated in Andasa Horticulture Site, Ethiopia

Int¹

2019

Preprint

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“…M. neglecta was also reported as a safe alternative to prostodin, a synthetic contraceptive, but the published literature so far supports that the contraceptive effects of these plants were in vain, even though other plants with this activity are well-known (Sandeep et al, 2010). water-soluble polysaccharides extract activity, it was lower than standards (Fakhfakh et al, 2017). In sum up, in can be supposed that different Malva species possess strong antioxidant activity, associated with their richness in phenolic compounds, as well as other constituents, like polysaccharides.…”

Section: Antioxidant Properties Of M Neglectamentioning

confidence: 74%

“…Authors postulated that polysaccharides could transform free radicals to stable components as electron donors and that the presence of more sulfated groups and total sugars triggers upper antioxidant activity. Although the crude water‐soluble polysaccharides extract activity, it was lower than standards (Fakhfakh et al, ). In sum up, in can be supposed that different Malva species possess strong antioxidant activity, associated with their richness in phenolic compounds, as well as other constituents, like polysaccharides.…”

Section: Pharmacological Properties Of Malva Plantsmentioning

confidence: 79%

“…Some of these compounds had important variations according to the growth stage. A Tunisian group led by Zouari published another study completing their previous report and evaluating the importance of M. aegyptiaca as bread additive (Fakhfakh, Abdelhedi, Jdir, Nasri, & Zouari, ). One of the exciting compounds they found was malvasterone, a steroidal triterpenoid that was first isolated from M. parviflora roots (Puckhaber, Stipanovic, & Bell, ).…”

Section: Chemical Composition Of Malva Plants: Essential Oils and Plamentioning

confidence: 99%

“…Octadecanoic acid methyl ester --- (Fakhfakh, Abdelhedi, Jdir, Nasri, & Zouari, 2017). One of the exciting compounds they found was malvasterone, a steroidal triterpenoid that was first isolated from M. parviflora roots (Puckhaber, Stipanovic, & Bell, 1998).…”

Section: Malva Sylvestris Malva Neglecta Malva Aegyptiacamentioning

confidence: 99%

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Malva species: Insights on its chemical composition towards pharmacological applications

Sharifi‐Rad

Melgar‐Lalanne

Hernández-Álvarez

et al. 2019

Phytotherapy Research

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Malvaceae family is typical from the Mediterranean region, contains 240 genera and more than 4,200 species. They are most commonly used as ornamental plants, although they can also be conceived as a food resource and remedy for various diseases, such as digestive, respiratory, genitourinary, throat infections, and skeletal and skin disorders, as also injuries where they are profoundly applied for skin care and as antiseptic and demulcent. They also possess diuretic, lenitive, spasmolytic, and laxative effects, besides to be used as antidiarrheal. Thus, the present review provides in‐depth data on Malva spp. potential applications and phytochemical composition for food and pharmaceutical industries. Habitat and cultivation conditions and the clinical reports related to its biological effects are also emphasized. Malva spp. possess a wide variety of chemical constituents (such as polysaccharides, coumarins, flavonoids, polyphenols, vitamins, terpenes, and tannins) found in different plant organs, especially in leaves and flowers, connected to their biological activity. In general, Malva spp. have rather moderate antimicrobial activity, high antiinflammatory and wound healing activities, strong antioxidant activity, and anticancer properties. Results from in vitro and in vivo experiments encourage more in‐depth studies, namely clinical trials, towards to improve knowledge on the use of Malva spp. for the treatment of various health conditions in humans.

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Health Aspects of Novel Hydrocolloids

Milani

Golkar

2019

Emerging Natural Hydrocolloids

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Isolation of polysaccharides from Malva aegyptiaca and evaluation of their antioxidant and antibacterial properties

Cited by 39 publications

References 30 publications

Comparative study of the antioxidant and antibacterial activities of two guava (Psidium guajava) fruit varieties cultivated in Andasa Horticulture Site, Ethiopia

Comparative study of the antioxidant and antibacterial activities of two guava (Psidium guajava) fruit varieties cultivated in Andasa Horticulture Site, Ethiopia

Malva species: Insights on its chemical composition towards pharmacological applications

Health Aspects of Novel Hydrocolloids

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