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53499

Microbiological Quality and Heavy Metals Content of some Spices and Herbs Kinds

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Last updated: 04 Jan 2025

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Abstract

This study included the assessment of microbial contamination of about 25 samples of spices and herbs in addition to the content of heavy metals for these samples. The highest number of bacteria was 25.40x107 cfu/g in the pepper powder and the lowest number was (34.50x10 cfu/g) in cinnamon, followed by black pepper powder and turmeric powder were 63.66x106 cfu/g and 68.87 x106 cfu/g; respectively. Yeasts were found in caraway seeds and spices blends only, while fungi found in all plates of the samples. The fungi and yeasts count were ranged from 29.44x104 cfu/g to 19.26x106 cfu/g of caraway whole seeds and cumin whole seeds; respectively, while in the cayenne pepper powder was the highest count of fungi and yeasts was higher than 10x106 cfu/g. The analysis of heavy metals for about 12 samples of spices and herbs showed that the aluminum level was very high in both spices and herbs, ranging from 137.1 to 900.8 ppm. Arsenic ranged from 0.1 ppm to 4.8 ppm, with the highest percentage in spices blends (4.8 ppm). The cadmium concentration ranged from 0.01 ppm in cayenne pepper to 0.10 ppm in cumin, the chromium ranged between 1.0 ppm in green cardamom to 11.6 ppm in coriander. Nickel was not present in all studied samples and its results were zero. Lead ranges from 2.3 ppm in cumin to 13.9 ppm in spice blends. Many of these values ​​are higher than the maximum allowable limits as recommended by FAO / WHO and can be considered unacceptable for many of the samples studied.

DOI

10.21608/jfds.2019.53499

Keywords

Spices, herbs, moisture, ash, Microbiological quality, Heavy metals

Authors

First Name

M. A. M.

Last Name

Abd El-Rahman

MiddleName

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Affiliation

Food Science & Technology Dept. Fac. of Agric. Assiut Uni. Assiut. Egypt.

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Volume

10

Article Issue

7

Related Issue

8184

Issue Date

2019-07-01

Receive Date

2019-07-20

Publish Date

2019-07-01

Page Start

237

Page End

241

Print ISSN

2090-3650

Online ISSN

2090-3731

Link

https://jfds.journals.ekb.eg/article_53499.html

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https://jfds.journals.ekb.eg/service?article_code=53499

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5

Type

Original Article

Type Code

886

Publication Type

Journal

Publication Title

Journal of Food and Dairy Sciences

Publication Link

https://jfds.journals.ekb.eg/

MainTitle

Microbiological Quality and Heavy Metals Content of some Spices and Herbs Kinds

Details

Type

Article

Created At

22 Jan 2023