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对大河村遗址出土新石器时代晚期炭化种子样品进行了碳、氮元素分析。结果显示这些种子具有相近的元素组成,表明它们系同一种来源。根据这些炭化种子与现代大豆、高粱及人工炭化的大豆、高粱的元素组成的比较,发现它们与大豆的元素组成较为一致,而与高粱数据存在较大差异。这一发现支持有关大河村种子遗存是大豆的鉴定,说明前人将其鉴定为高梁有误。本研究首次通过元素分析方法对残破古代炭化种子进行鉴定,显示了该方法在植物考古学上的优越性和应用潜力。
Carbon and nitrogen elements were analyzed on the carboniferous seeds samples from the late Neolithic era from Dahe Village. The results show that these seeds have similar elemental composition, indicating that they are of the same origin. According to the comparison of the elemental composition of these carbonized seeds with that of modern soybean, sorghum and artificially carbonized soybean and sorghum, the elemental composition of these carbonized seeds and soybean was found to be more consistent with that of sorghum. This finding supports the identification of soy remains in the village of Daeheok-si as evidence of the wrong identification of sorghum by previous generations. This study, for the first time, identified the broken ancient carbonized seeds by elemental analysis, showing the superiority and potential of this method in plant archeology.