生物考古学中母乳喂养实践重建的新视角——动物模型中的氧同位素研究

Q2 Social Sciences Anthropological Review Pub Date : 2023-10-10 DOI:10.18778/1898-6773.86.3.08
Aleksandra Lisowska-Gaczorek, Beata Cienkosz-Stepańczak, Mirosław Furmanek, Krzysztof Szostek
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引用次数: 0

摘要

使用稳定同位素重建母乳喂养策略的研究是基于尚未得到实验研究验证的假设。对同位素分析结果的解释存在一定程度的不确定性,这主要是由于缺乏同位素在母亲、母乳喂养和断奶后代中如何分布的信息。烹饪方法也会影响同位素结果的解释。考虑到饮用水氧同位素组成与骨磷酸盐呈正相关关系,以大鼠为动物模型进行实验研究。实验表明,母乳喂养的后代的磷灰石含量比母体的磷灰石含量高1.6‰。在沸水模型中,差异为1.8‰。在动物模型的基础上,估计人类母亲和孩子之间的18O差异可能约为2.7‰,长期摄入煮沸的流质食物和饮料并不能弥补这一差异。该实验可以观察到同位素比例的变化对母乳喂养和断奶期间营养水平变化的影响,以及在热处理期间饮用富含同位素的水的额外影响。
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A new perspectives on breastfeeding practice reconstruction in bioarchaeology – an oxygen isotopes study in an animal model
Research using stable isotopes for the reconstruction of breastfeeding strategies are based on assumptions that have not yet been verified by experimental studies. Interpreting the results of isotope analysis is associated with a certain degree of uncertainty, mainly due to the lack of information on how isotopes are distributed in mothers, breast-fed and weaned offspring. Culinary practices also can affect the interpretation of isotope results. Considering positive correlation between oxygen isotope composition of drinking water and bone phosphates, experimental studies were carried out using rats as an animal model. The experiment showed that apatites of breast-fed offspring were enriched 1.6‰ in comparison to the values observed in their mothers. In the boiled water model, the difference was 1.8‰. On the basis of the animal model, it was estimated that the difference in 18O between mother and child in the human species may amount to approximately 2.7‰, and long-term intake of boiled liquid food and beverages will not compensate the difference. The experiment allowed observation of the effect of changes in isotope ratios to a change in trophic levels during breastfeeding and weaning, as well as the additional effect associated with the consumption of isotope enriched water during thermal treatment.
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来源期刊
Anthropological Review
Anthropological Review Social Sciences-Anthropology
CiteScore
0.90
自引率
0.00%
发文量
35
审稿时长
20 weeks
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