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171473

EVALUATION OF POTATO PEEL EXTRACT AS A SOURCE OF ANTIOXIDANT AND ANTIMICROBIAL SUBSTANCES

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Last updated: 26 Dec 2024

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Abstract

Antioxidant and antimicrobial substances were extracted from potato peels by using different solvents (water and both methanol and ethanol at a concentration of 80 and 100 %). The potato peel extracts were evaluated for yield extract, antioxidants activity, total phenols and total flavonoids. The best extracts were selected for their efficacy as an antioxidant and antimicrobial. The proximate composition of dried potato peels indicated that total carbohydrates (65.47 %) were the major compound, while total lipids (2.60 %) were the minor compound. Potato peel methanol extract at concentration 80 % (PPME) had higher yield extract (10.42 %), total phenols (3.78 mg GAE g-1 DW), total flavonoids (0.13 mg Rutine g-1 DW) and antioxidants activity (80.86 %) than other solvent extracts. The vanillic (176.64 µg/ l) and hesperdin (6058.52 µg/ l) were the most abundant phenolic and flavonoid compounds, respectively in PPME. Induction period (using Rancimat instrument) was increased from 5.95 hr for sunflower oil free from PPME to 10. 9 and 11 hr for sunflower oil containing 200 and 400 ppm of PPME, respectively, comparing with 14 hr for sunflower oil containing 200 ppm of butyl hydroxyl toluene (BHT). PPME at 400 ppm was more effective in inhibiting of both gram-positive and gram-negative bacteria and C. albicans than ampicillin.

DOI

10.21608/mjfds.2020.171473

Keywords

Potato peels waste, proximate composition, antioxidants, Antimicrobials

Authors

First Name

M. M.

Last Name

Helal

MiddleName

-

Affiliation

Food Science and Technology Department, Faculty of Agriculture, Menoufia University, 32516-Shibin El-Kom, Egypt

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Orcid

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First Name

T. A. El-

Last Name

Adawy

MiddleName

-

Affiliation

Food Science and Technology Department, Faculty of Agriculture, Menoufia University, 32516-Shibin El-Kom, Egypt

Email

-

City

-

Orcid

-

First Name

A.E. El-

Last Name

Beltagy

MiddleName

-

Affiliation

Food Science and Technology Department, Faculty of Agriculture, Menoufia University, 32516-Shibin El-Kom, Egypt

Email

-

City

-

Orcid

-

First Name

A.A. El-

Last Name

Bedawey

MiddleName

-

Affiliation

Food Science and Technology Department, Faculty of Agriculture, Menoufia University, 32516-Shibin El-Kom, Egypt

Email

-

City

-

Orcid

-

First Name

S. M.

Last Name

Youssef

MiddleName

-

Affiliation

Food Technology Research Institute, Agricultural Research Center, Giza, Egypt.

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City

-

Orcid

-

Volume

5

Article Issue

6

Related Issue

17344

Issue Date

2020-08-01

Receive Date

2021-05-23

Publish Date

2020-08-01

Page Start

79

Page End

90

Print ISSN

2357-0792

Online ISSN

2735-3486

Article File

MJFDS_Volume 5_Issue 6_Pages 79-90.pdf

PDF . 201.3kB

Link

https://mjfds.journals.ekb.eg/article_171473.html

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https://mjfds.journals.ekb.eg/service?article_code=171473

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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

EVALUATION OF POTATO PEEL EXTRACT AS A SOURCE OF ANTIOXIDANT AND ANTIMICROBIAL SUBSTANCES

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Article

Created At

23 Jan 2023