Bomb-pulse 14C analysis combined with 13C and 15N measurements in blood serum from residents of Malmö, Sweden
Georgiadou, Elisavet LU ; Stenström, Kristina LU ; Bertacchi Uvo, Cintia LU
; Nilsson, Peter
LU
; Skog, Göran
LU
and Mattsson, Sören
LU
(2013)
- Abstract
- The 14C content of 60 human blood serum samples from residents of Malmö (Sweden) in 1978, obtained from a biobank, has been measured to estimate the accuracy of 14C bomb-pulse dating. The difference between the date estimated by using the Calibomb software and sampling date varied between -3±0.4 and +0.2±0.5 years. The average age deviation of all samples was -1.5±0.7 years, with the delay between production and consumption of foodstuffs being probably the dominating cause.
The potential influence of food habits on the 14C date has been evaluated using stable isotope δ13C and δ15N analysis and information about the dietary habits of the investigated individuals. Although the group consisting of lacto-ovo vegetarians and vegans... (More) - The 14C content of 60 human blood serum samples from residents of Malmö (Sweden) in 1978, obtained from a biobank, has been measured to estimate the accuracy of 14C bomb-pulse dating. The difference between the date estimated by using the Calibomb software and sampling date varied between -3±0.4 and +0.2±0.5 years. The average age deviation of all samples was -1.5±0.7 years, with the delay between production and consumption of foodstuffs being probably the dominating cause.
The potential influence of food habits on the 14C date has been evaluated using stable isotope δ13C and δ15N analysis and information about the dietary habits of the investigated individuals. Although the group consisting of lacto-ovo vegetarians and vegans (pooled group) was not completely separated from the omnivores in a stable isotopic trophic level diagram, this analysis proved to add valuable information on probable dietary habits. The age deviation of the sampling date from the respective Calibomb date was found strongly correlated with the δ13C values, probably due to influence from marine diet components. For the omnivore individuals, there were indications of seasonal effects on δ13C and the age deviation. No significant correlation was found between the age deviation and the δ15N values of any dietary group. No influence of sex or year of birth was found on neither the 14C nor the δ13C and δ15N values of the serum samples.
The data were also divided into two groups (omnivores and pooled group), based on the level of δ15N in the samples. The consumption of high δ15N-valued fish and birds can be responsible for this clustering. (Less)
Please use this url to cite or link to this publication:
https://lup.lub.lu.se/record/3460554
- author
- Georgiadou, Elisavet
LU
; Stenström, Kristina
LU
; Bertacchi Uvo, Cintia
LU
; Nilsson, Peter
LU
; Skog, Göran
LU
and Mattsson, Sören
LU
- organization
- publishing date
- 2013
- type
- Contribution to conference
- publication status
- in press
- subject
- keywords
- serum, bomb-pulse dating, stable isotopes
- language
- English
- LU publication?
- yes
- id
- 972ece9a-e1db-4149-9b13-f251052562af (old id 3460554)
- date added to LUP
- 2016-04-04 14:21:25
- date last changed
- 2018-11-21 21:19:51
@misc{972ece9a-e1db-4149-9b13-f251052562af,
abstract = {{The 14C content of 60 human blood serum samples from residents of Malmö (Sweden) in 1978, obtained from a biobank, has been measured to estimate the accuracy of 14C bomb-pulse dating. The difference between the date estimated by using the Calibomb software and sampling date varied between -3±0.4 and +0.2±0.5 years. The average age deviation of all samples was -1.5±0.7 years, with the delay between production and consumption of foodstuffs being probably the dominating cause. <br/><br>
The potential influence of food habits on the 14C date has been evaluated using stable isotope δ13C and δ15N analysis and information about the dietary habits of the investigated individuals. Although the group consisting of lacto-ovo vegetarians and vegans (pooled group) was not completely separated from the omnivores in a stable isotopic trophic level diagram, this analysis proved to add valuable information on probable dietary habits. The age deviation of the sampling date from the respective Calibomb date was found strongly correlated with the δ13C values, probably due to influence from marine diet components. For the omnivore individuals, there were indications of seasonal effects on δ13C and the age deviation. No significant correlation was found between the age deviation and the δ15N values of any dietary group. No influence of sex or year of birth was found on neither the 14C nor the δ13C and δ15N values of the serum samples. <br/><br>
The data were also divided into two groups (omnivores and pooled group), based on the level of δ15N in the samples. The consumption of high δ15N-valued fish and birds can be responsible for this clustering.}},
author = {{Georgiadou, Elisavet and Stenström, Kristina and Bertacchi Uvo, Cintia and Nilsson, Peter and Skog, Göran and Mattsson, Sören}},
keywords = {{serum; bomb-pulse dating; stable isotopes}},
language = {{eng}},
title = {{Bomb-pulse 14C analysis combined with 13C and 15N measurements in blood serum from residents of Malmö, Sweden}},
year = {{2013}},
}