Multi-isotope analysis of primary and secondary dentin as a mean to broaden intra-life dietary reconstruction. A case from Longobard Italy
Multi-isotope analysis of primary and secondary dentin as a mean to broaden intra-life dietary reconstruction. A case from Longobard Italy
复制标题
对初级和次级牙本质进行多同位素分析，作为扩大生活中饮食重建的手段。
DOI：
10.1002/oa.3200
复制
发表时间：
2023
影响因子：
1
通讯作者：
Bernardini S
中科院分区：
文献类型：
--
作者：
Bernardini S
这项探索性研究通过对牙齿（M1）的原发性和继发性牙本质上的碳、氮和硫（CNS）的同位素组成进行连续分析，提出了一项原始的生活史调查。我们关注的是一位来自意大利隆戈巴德的老年妇女（公元6至8世纪）。CE），他展示了一个前所未有的颅骨手术病例，在Micarelli和同事的一篇配套论文中提出。第一磨牙牙本质胶原蛋白的连续稳定CNS同位素组成使我们能够推断出生后约3个月至9.5岁（初级牙本质）和成年早期至死亡（次级牙本质）之间的饮食，活动性，健康和生理应激。原生牙本质的同位素结果强调了以下几点：（i）长的断奶期（在大约4岁时结束），其次是（ii）特定的饮食，包括C4作物在幼儿期（大约5.5岁）的贡献，可能伴随着流动性。虽然继发性牙本质在成年期显示出一般同质的饮食，但纵向分析提供了可能发生在困难的健康状况时期的特定压力的信息。这项工作强调了测量完整的牙本质序列（包括存在时的次级序列）用于同位素分析以拓宽古代人群的生活史的重要性。
This exploratory study proposes an original intra‐life history investigation through sequential analysis of the isotopic composition of carbon, nitrogen, and sulfur (CNS) on both primary and secondary dentin of a tooth (M1). We focus on an elderly woman from Longobard Italy (6th to 8th c. CE), who showed an unprecedented case of cranial surgery, presented in a companion paper by Micarelli and colleagues. Sequential stable CNS isotope composition of first molar dentin collagen allows us to infer diet, mobility, health, and physiological stress between approximately 3 months after birth to 9.5 years old (primary dentin) and between early adulthood until death (secondary dentin). Isotopic results on primary dentin highlight the following: (i) a long weaning period (ending at approximately 4 years), followed by (ii) a specific diet, including the contribution of C4crops in early childhood (approximately 5.5 years), possibly concomitant with mobility. While secondary dentin shows a generally homogeneous diet during adulthood, the longitudinal analysis provided information on specific stresses that likely occurred in periods of difficult health conditions. This work emphasizes the importance of measuring complete dentin sequences (including secondary when present) for isotopic analysis to broaden intra‐life histories in ancient populations.