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15322

QUALITY AND SHELF LIFE ENHANCEMENT OF DOMIATI CHEESE FROM HEAT TREATED MILK USING STARTER CULTURE

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Last updated: 24 Dec 2024

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Abstract

10%) with adding 1% activated commercial starter cultures of YC-X11 (Str.
thermophilus and Lb. delbruekii ss. bulgaricus, T1), Bio Profit (Lb rhamnosus and
Propio. freudenreichii ss. shermanii, T2) and LC 705 (Lb. casei, T3). Resulting
cheeses were pickled into its own whey. The low-salted cheese was pickled for 6
months and the high-salted cheese after 9 months. Moisture, salt and yield of low
and high-salt cheeses decreased with adding starter culture, while an increase was
noticed in the acidity, soluble nitrogen (SN) and total volatile fatty acids (TVFA).
High salt cheeses had significantly higher values for moisture, salt and yield with
significantly lower acidity, SN and TVFA than low salt cheeses. The values of
moisture, salt and yield gradually decreased during pickling while acidity, SN and
TVFA significantly increased. Domiati cheese with starter culture had higher total
bacterial count (TBC) than that of control being highest in T3. Increasing the salt in
cheese milk resulted in lower TBC. Values of TBC increased in all samples during
early pickling and then sharply decreased till the end. There was a remarkable
inhibition in the growth of sporeforming bacteria and yeasts & moulds with adding
starter culture. Sensory quality attributes of cheese improved with adding starter
culture. Pickling of cheese up to different periods led to better flavour as well as
body & texture but extending the period beyond caused lower quality. The rate of
improvement was faster in cheese of low salt than that from 10% salted milk. Starter
culture of Bio Profit (T2) produced cheese with typical ripened cheese flavour and
texture and can be recommended for low or high-salt cheeses.

DOI

10.21608/ajs.2005.15322

Keywords

Domiati cheese, shelf life, Heated milk, starter culture

Authors

First Name

O.I.; A.A. Askar

Last Name

El-Batawy,

MiddleName

-

Affiliation

Food Sci. Dep.,Fac. Agric., Ain Shams Univ., Shoubra Khaima, 11241, Cairo, Egypt.

Email

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Orcid

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First Name

E. Sultan

Last Name

Nagwa,

MiddleName

-

Affiliation

Food Sci. Dep.,Fac. Agric., Ain Shams Univ., Shoubra Khaima, 11241, Cairo, Egypt.

Email

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City

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Orcid

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First Name

Awad,

Last Name

R.A.

MiddleName

-

Affiliation

Food Sci. Dep.,Fac. Agric., Ain Shams Univ., Shoubra Khaima, 11241, Cairo, Egypt.

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City

-

Orcid

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Volume

13

Article Issue

3

Related Issue

3215

Issue Date

2005-09-01

Receive Date

2005-04-23

Publish Date

2005-09-01

Page Start

841

Page End

859

Print ISSN

1110-2675

Online ISSN

2636-3585

Link

https://ajs.journals.ekb.eg/article_15322.html

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https://ajs.journals.ekb.eg/service?article_code=15322

Order

19

Type

Original Article

Type Code

668

Publication Type

Journal

Publication Title

Arab Universities Journal of Agricultural Sciences

Publication Link

https://ajs.journals.ekb.eg/

MainTitle

QUALITY AND SHELF LIFE ENHANCEMENT OF DOMIATI CHEESE FROM HEAT TREATED MILK USING STARTER CULTURE

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Article

Created At

22 Jan 2023