Instron texture profile of buffalo milk cheddar cheese as influenced by composition and ripening changes |
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Authors: | H G Patel K G Upadhyay R V Miyani and A J Pandya |
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Affiliation: | Dairy Technology Department, S.M.C. College of Dairy Science, Gujarat Agricultural University, Anand Campus, Anand, 388 110, India |
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Abstract: | Buffalo milk Cheddar cheese samples of different ages were analysed for compositional attributes (CA), ripening indices (RI) and Instron Textural Profile (ITP). All samples were compositionally alike, except for pH and salt-in-moisture (SM) contents. RI showed significant variations. CA and RI showed highly significant correlations within themselves and with each other, except for moisture with pH, SM with moisture, MNFS, Fat and FDM and Fat with MNFS. The ITPs of cheeses showed significant variations and had highly significant intercorrelations indicating their interdependence. CA (except moisture and MNFS) and RI showed a highly significant correlationship with ITPs. Moisture content showed a highly significant correlationship with all ITPs, except cohesiveness and springiness, where it was significant. MNFS content showed significant correlations only with hardness and brittleness. Stepwise regression analysis revealed that MI was the most predominant factor influencing cheese texture, followed by pH, SM, FDM and TVFA. Knowing Ca and RI, the textural properties of cheeses can be forecast through mathematical equations. Similarly the age of cheese can also be predicted if RI and/or textural properties are known. |
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Keywords: | Instron texture profile buffalo milk Cheddar cheese composition ripening changes age of cheese |
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