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176656

PROLONG THE SHELF–LIFE OF CHILLED KOFTA USING EXTRACT OF GREEN TEA LEAVES

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Last updated: 28 Dec 2024

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Abstract

The effects of various concentrations of green tea, Camellia sinensis, extract on the sensory, bacteriological and chemical quality of Egyptian traditional Kofta were studied. For this purpose, kofta samples were divided into five groups. First group was kept as a control, others groups were treated with 0.5%; 1.0%; 1.5% and 2.0% green tea extract (GTE). All samples were stored at 4 ْC whereas sensory, bacteriological and chemical evaluation of the samples were conducted at 0; 2; 4; 6 and 8 days post–storage. Flavour and taste were accepted by panelists with high score in samples treated with concentrations between 1and 1.5% GTE. There were marked discoloration changes of kofta samples treated with 2.0% GTE. Total psychrophiles counts reached the unacceptable count (5× 106) at 6th day in 0% control samples while reached 8× 105; 4× 105; 7× 105 and 8×104 at 8th day in each treated samples with 0.5%; 1.0%; 1.5% and 2.0% GTE respectively. Green tea extract showed an inhibitory effect on C. perfringens, Enterobacteriaceae and Staphylococcus aureus counts with increased storage time in compared to control samples. Also, beef kofta samples treated with green tea extract showed lower pH and thiobarbituric acid reactive substance values all over the storage period compared to control. These results suggest that green tea extract treatment could be effectively used to extend the shelf–life of fresh kofta for up to 8 days when stored at 4 ْC.

DOI

10.21608/avmj.2011.176656

Keywords

Key words: Green tea leaves, meat products, kofta

Authors

First Name

TAKWA

Last Name

H. ISMAIL

MiddleName

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Affiliation

Dept. of Food Hygiene, Animal Health Research Institute, Ismailia Lab., Egypt.

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Volume

57

Article Issue

130

Related Issue

24338

Issue Date

2011-07-01

Receive Date

2011-06-02

Publish Date

2011-07-01

Page Start

1

Page End

15

Print ISSN

1012-5973

Online ISSN

2314-5226

Link

https://avmj.journals.ekb.eg/article_176656.html

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https://avmj.journals.ekb.eg/service?article_code=176656

Order

4

Type

Research article

Type Code

1,840

Publication Type

Journal

Publication Title

Assiut Veterinary Medical Journal

Publication Link

https://avmj.journals.ekb.eg/

MainTitle

PROLONG THE SHELF–LIFE OF CHILLED KOFTA USING EXTRACT OF GREEN TEA LEAVES

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Article

Created At

23 Jan 2023