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81971

PREPARATION AND EVALUATION OF A NOVEL ULTRAFILTERED MILK- SOFT CHEESE, CONTAINING FULL-FAT CORN GERM OF HEALTHY BENEFITS

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Last updated: 22 Jan 2023

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Abstract

  In developing   new food products, it is important to balance the quantity and quality of protein and  fat  , that offered nutritional  value , health benefits, good chemical  characteristics, and acceptable sensory properties . In this  respect, a novel UF-soft cheese containing  full-fat corn germ was made from ultrafiltered buffaloes milk  ( concentrated factor, CF 3)  with the use of different levels (1%,2% and 3%) of full-fat corn germ  as a source of  unsaturated fatty acids, USFAs , in order to balance the protein  quality      (amino acids pattern) of corn germ , and modify the pattern of the fatty acids composition of buffaloes milk fat in favour of USFAS. The cheese were analyzed chemically and examined organoleptically  ,  throughout storage period (up to 30 days). Fatty acids and amino acids composition were assessed in fresh samples. The results clearly show that UF-soft cheese containing full-fat corn germ resulted in soft cheese close of somewhat  composition and sensory quality to that of the control cheese. Such UF-cheeses reveal that as full fat  corn germ increased , bad saturated fatty acids( SFA) , decreased , whereas USFAS ,especially beneficial oleic acid (C18 :1) and polyunsaturated fatty acids( PUSFs ) e.g ., omega – 6  lenoleic acid( C18 :2  )and omega -3 linolenic acid (C 18:3) increased. The ratio of omega-6 to omega -3 in UF –soft cheeses containing full -fat corn germ ranged from 2.1:1 to 2.3:1 ,which was found to be close to that of recommended healthy beneficial ratio (2:1). On the other hand, comparing the essential amino  acids pattern  of such UF- soft cheese with that of the Recommended Dietary Allowance ,RDA,  it will noticed that, buffaloes milk protein improves the quality of full- fat corn germ protein, particularly, histidine , isoleucine , phenylalanine +  tyrosin, and to a lesser extend  leucine , valine  and  therionine.  Generally speaking,the high nutritive value of  buffaloes milk protein in UF -soft cheeses containing full- fat corn germ makes it an  integral part of food intervention in many developing countries, especially in some tropical areas , where protein energy malnutrition problems are found among children and vegetarians, whose diet consists largely of plant sources (e.g. , corn , corn germ  and other cereals).

DOI

10.21608/jfds.2011.81971

Keywords

UF- soft cheese full – fat corn germ, omeg-3 fatty acid omeg-6 fatty acid, Amino acids

Authors

First Name

A.

Last Name

Hefny

MiddleName

A.

Affiliation

Dairy Technology Res. Dep., Animal Production Res. Inst., ARC ,Dokki Giza ,Egypt.

Email

hefny-hefny@hotmail.com

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Orcid

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First Name

Asmaa

Last Name

Aziz

MiddleName

H. H.

Affiliation

Dairy Technology Res. Dep., Animal Production Res. Inst., ARC ,Dokki Giza ,Egypt.

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City

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Orcid

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Volume

2

Article Issue

8

Related Issue

12347

Issue Date

2011-08-01

Receive Date

2020-04-12

Publish Date

2011-08-01

Page Start

443

Page End

458

Print ISSN

2090-3650

Online ISSN

2090-3731

Link

https://jfds.journals.ekb.eg/article_81971.html

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https://jfds.journals.ekb.eg/service?article_code=81971

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5

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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