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53189

USING OF HONEY AND OLIVE OIL IN PRODUCTION OF SYNBIOTIC YOGHURT

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Last updated: 22 Jan 2023

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Abstract

The effect of fortification with both honey and olive oil on yoghurt quality was investigated. Control yoghurt was made using classic yoghurt culture and whole milk. Fou other yoghurt treatments were made by ABT culture and whole milk fortified with 0+0, 2+1, 4+2, and 6+4% of honey and virgin olive oil respectively. The sixth treatment was prepared using ABT culture and skim milk contained 6% honey + 4% virgin olive oil. Changes in rheological, chemical, microbial and organoleptic properties of yoghurt were monitored during refrigerated storage (4°C) for 15 days. Mixing of yoghurt milk with honey and olive oil to milk showed a slight decrease in the rate of acidity development. Fortification of milk with honey and olive oil had no clear effect on coagulation time, but increased curd tension and decreased curd syneresis values. Addition of honey and olive oil increased acidity, TS, fat, ash and TVFA contents of the examined yoghurt while there were no differences in TN and WSN values. Yoghurt made with honey and olive oil had lower TVBC, moulds and yeasts numbers as compared with control. Adding of honey and olive oil stimulated the growth and viability of bifidobacteria which helped in maintenance their counts above the recommended levels (106cfu.g-1) for a probiotic effect. Finally, supplementation of yoghurt with honey and olive oil greatly improved the sensory evaluation scores.

DOI

10.21608/jfds.2014.53189

Keywords

ABT, yoghurt, Bifidobacteria, Honey, olive oil

Authors

First Name

El-Tahra

Last Name

Ammar

MiddleName

M. A.

Affiliation

Dairy Department, Faculty of Agriculture, Mansoura University, El-Mansoura, Egypt.

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Orcid

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First Name

M.

Last Name

Ismail

MiddleName

M.

Affiliation

Dairy Technology Department, Animal Production Research Institute, Agriculture Research Center, Dokki, Giza, Egypt.

Email

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City

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Orcid

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First Name

A.

Last Name

El-Shazly

MiddleName

K.

Affiliation

Dairy Department, Faculty of Agriculture, Mansoura University, El-Mansoura, Egypt.

Email

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City

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Orcid

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First Name

M.

Last Name

Eid

MiddleName

Z.

Affiliation

Dairy Technology Department, Animal Production Research Institute, Agriculture Research Center, Dokki, Giza, Egypt.

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City

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Orcid

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Volume

5

Article Issue

9

Related Issue

8128

Issue Date

2014-09-01

Receive Date

2019-10-13

Publish Date

2014-09-01

Page Start

653

Page End

666

Print ISSN

2090-3650

Online ISSN

2090-3731

Link

https://jfds.journals.ekb.eg/article_53189.html

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https://jfds.journals.ekb.eg/service?article_code=53189

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Original Article

Type Code

886

Publication Type

Journal

Publication Title

Journal of Food and Dairy Sciences

Publication Link

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

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Article

Created At

22 Jan 2023