Correlation of Geographical Location with Stable Isotope Values of Hydrogen and Carbon of Fatty Acids from New Zealand Milk and Bulk Milk Powder
(2013) In Journal of Agricultural and Food Chemistry 61. p.8914-8923- Abstract
- The aim of this study was to investigate the correlation of δ²H and δ¹³C of bulk milk powder and milk powder fatty acids to their production region. A total of 46 milk powder samples from across New Zealand were collected and analyzed. Principal component analysis (PCA) showed that the δ²H and δ¹³C of four fatty acids (C4:0, C14:0, C16:0, C18:1) and bulk milk powder were found to be correlated with regional production area. Linear discriminant analysis (LDA) models were prepared using different combinations of bulk and fatty acid δ²H and δ¹³C. All models were effective in discriminating samples from the North and South Islands. The LDA model using just fatty acid δ²H and δ¹³C provided the best separation. Therefore, the isotopic... (More)
- The aim of this study was to investigate the correlation of δ²H and δ¹³C of bulk milk powder and milk powder fatty acids to their production region. A total of 46 milk powder samples from across New Zealand were collected and analyzed. Principal component analysis (PCA) showed that the δ²H and δ¹³C of four fatty acids (C4:0, C14:0, C16:0, C18:1) and bulk milk powder were found to be correlated with regional production area. Linear discriminant analysis (LDA) models were prepared using different combinations of bulk and fatty acid δ²H and δ¹³C. All models were effective in discriminating samples from the North and South Islands. The LDA model using just fatty acid δ²H and δ¹³C provided the best separation. Therefore, the isotopic composition of the aforementioned fatty acids can be utilized as a good biomarker in milk powder that conveys reliable isotopic information to track milk powders to their regional origin. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/4729286
- author
- Ehtesham, Emad LU ; Hayman, Alan R. ; McComb, Kiri A. ; Van Hale, Robert and Frew, Russell D.
- publishing date
- 2013
- type
- Contribution to journal
- publication status
- published
- subject
- keywords
- stable isotope, fatty acids, milk, water, IRMS, biomarker
- in
- Journal of Agricultural and Food Chemistry
- volume
- 61
- pages
- 8914 - 8923
- publisher
- The American Chemical Society (ACS)
- external identifiers
-
- scopus:84884490144
- ISSN
- 0021-8561
- DOI
- 10.1021/jf4024883
- language
- English
- LU publication?
- no
- additional info
- 37
- id
- b64745c2-9996-4f77-8013-a9cb314ac23d (old id 4729286)
- date added to LUP
- 2016-04-04 07:40:50
- date last changed
- 2022-04-15 19:15:05
@article{b64745c2-9996-4f77-8013-a9cb314ac23d, abstract = {{The aim of this study was to investigate the correlation of δ²H and δ¹³C of bulk milk powder and milk powder fatty acids to their production region. A total of 46 milk powder samples from across New Zealand were collected and analyzed. Principal component analysis (PCA) showed that the δ²H and δ¹³C of four fatty acids (C4:0, C14:0, C16:0, C18:1) and bulk milk powder were found to be correlated with regional production area. Linear discriminant analysis (LDA) models were prepared using different combinations of bulk and fatty acid δ²H and δ¹³C. All models were effective in discriminating samples from the North and South Islands. The LDA model using just fatty acid δ²H and δ¹³C provided the best separation. Therefore, the isotopic composition of the aforementioned fatty acids can be utilized as a good biomarker in milk powder that conveys reliable isotopic information to track milk powders to their regional origin.}}, author = {{Ehtesham, Emad and Hayman, Alan R. and McComb, Kiri A. and Van Hale, Robert and Frew, Russell D.}}, issn = {{0021-8561}}, keywords = {{stable isotope; fatty acids; milk; water; IRMS; biomarker}}, language = {{eng}}, pages = {{8914--8923}}, publisher = {{The American Chemical Society (ACS)}}, series = {{Journal of Agricultural and Food Chemistry}}, title = {{Correlation of Geographical Location with Stable Isotope Values of Hydrogen and Carbon of Fatty Acids from New Zealand Milk and Bulk Milk Powder}}, url = {{http://dx.doi.org/10.1021/jf4024883}}, doi = {{10.1021/jf4024883}}, volume = {{61}}, year = {{2013}}, }