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175627

EFFECT OF SOLVENT TYPE ON THE EXTRACTED BIOACTIVE COMPOUNDS OF MALLOW (MALVA SYLVESTRIS) LEAVE

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Last updated: 26 Dec 2024

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Abstract

The effect of different extraction solvents (water, 70% ethanol and 95% methanol) on bioactive compounds (polyphenols, flavonoids and saponinand tanins) and antioxidant characteristics of mallow leaves extracts were investigated The total phenolic compounds extracted from green parts of mallow using 70% ethanol, 95% methanol and water were 57.2, 43.2 and 121.6 mg/g, respectively. The total flavonoids content of mallow water extract is significantly (p≤0.05) higher than those of methanolic and ethanolic extracts. Tannins content in mallow extract obtained by 70% ethanol was 15.52mg tannic/g which was significantly higher than the other solvents, meanwhile the lowest amount (4.9 mg tannic/g) was detected in 95% methanolic extract. The same trened was also found for saponin, since the highest value (6.7 mg/g) was in 70%ethanolic extract. Total antioxidant capacity (TAC) of mallow extracts at 500ppm decreased as the percentage of alcohol in the solvent increased. Whereas, the highest TAC (58.7±.1 %) was detected in water extract and decreased gradually by decreasing the percentage of water in the solvent. the water extract at 500ppm had significantly higher (p≤0.05) antioxidant activity compared to the other solvents. Consequently, the water was the best solvent for extraction phenolics and flavonoids from green parts of mallow and these extracts have a strong antioxidant activity

DOI

10.21608/mjfds.2018.175627

Keywords

Mallow extract, antioxidants, Phenolic, DPPH

Authors

First Name

M. E.

Last Name

El-Sayed

MiddleName

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Affiliation

Food Science and Technology Dept, Fac. of Agric., Tanta Univ., Egypt

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City

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Orcid

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First Name

M.A.

Last Name

Salem

MiddleName

-

Affiliation

Food Science and Technology Dept, Fac. of Agric., Tanta Univ., Egypt

Email

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City

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Orcid

-

First Name

I. M.

Last Name

Eisa

MiddleName

-

Affiliation

Food Science and Technology Dept, Fac. of Agric., Tanta Univ., Egypt

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City

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Orcid

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Volume

3

Article Issue

3

Related Issue

25461

Issue Date

2018-06-01

Receive Date

2021-06-06

Publish Date

2018-06-01

Page Start

63

Page End

73

Print ISSN

2357-0792

Online ISSN

2735-3486

Article File

MJFDS_Volume 3_Issue 3_Pages 63-73.pdf

PDF . 209.2kB

Link

https://mjfds.journals.ekb.eg/article_175627.html

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https://mjfds.journals.ekb.eg/service?article_code=175627

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3

Type

original papers

Type Code

1,406

Publication Type

Journal

Publication Title

Menoufia Journal of Food and Dairy Sciences

Publication Link

https://mjfds.journals.ekb.eg/

MainTitle

EFFECT OF SOLVENT TYPE ON THE EXTRACTED BIOACTIVE COMPOUNDS OF MALLOW (MALVA SYLVESTRIS) LEAVE

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Article

Created At

23 Jan 2023