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42959

OPTIMIZATION OF MILK TYPE AND PHYSICAL FACTORS FOR REDUCTION OF ALCOHOL CONTENT IN KEFIR

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Last updated: 22 Jan 2023

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Abstract

Milk kefir beverage has enormous health benefits. However, alcohol content in kefir may represent a barrier for some consumers, so this work  attempts to reduce its alcohol content.  Three main factors, i.e., the type of milk, inoculum size and incubation temperature were investigated.  Results showed that cow's milk inoculated with 2% kefir grains (KG) and incubated at 24ºC for 48h had the lowest ethanol concentration (EC), however, ewe's milk and soymilk contained the highest EC. According to EC in the previous experiment, buffalo's, cow's and goat's milk were selected to prepare milk kefir. Cow's milk kefir (CMK) had the lowest EC (0.062± 0.041), while, goat's milk kefir (GMK) had the highest EC (0.093±0.021) at zero time. Moreover, buffalo's milk kefir (BMK) had the highest pH, total solids, acetaldehyde, lactose and viscosity. Statistically, after 10 d BMK won the greatest Overall quality (5.825) while CMK came in the second place (5.355) then GMK (5.310).  

DOI

10.21608/jfds.2016.42959

Keywords

Kefir, ethanol content, buffalo’s, cow’s, goat’s, ewe’s milk, Soy milk

Authors

First Name

I.

Last Name

Abou Ayana

MiddleName

A. A.

Affiliation

Department of Dairy Research, Food Technology Research Institute (FTRI), Agricultural Research Centre, Giza, Egypt

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First Name

Wesam

Last Name

Saber

MiddleName

I. A.

Affiliation

Microbial Activity Unit, Department of Microbiology, Soils, Water and Environment Research Institute, Agricultural Research Center, P.N. 12619, Giza, Egypt

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Volume

7

Article Issue

3

Related Issue

6746

Issue Date

2016-03-01

Receive Date

2019-07-30

Publish Date

2016-03-01

Page Start

161

Page End

166

Print ISSN

2090-3650

Online ISSN

2090-3731

Link

https://jfds.journals.ekb.eg/article_42959.html

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https://jfds.journals.ekb.eg/service?article_code=42959

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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