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对河南淅川丹江沿岸龙山时代若干遗址出土陶鼎残片内壁残留的炭化物,开展了碳、氮稳定同位素分析,旨在揭示该类型器物所盛放或烹煮过的食物来源以及器物的用途。结果显示,δ~(13)C值介于C_3和C_4类植物之间,表明大部分器物曾烹煮过C_3和C_4类食物,根据该地区当时为稻粟混作区的状况,推测稻、粟可能是食物的主要来源;结合δ~(13)C与δ~(15)N值表明部分炭化物的生物来源包括豆科类植物、食肉类动物或鱼类资源,说明先民的蛋白质摄取来源较为丰富。因此,当时陶鼎加工的食物种类并不局限于肉类,这表明了陶鼎使用功能的广泛性以及当时人类食物来源的多样性,从而深化了对古代社会食物结构以及生存环境的认识。
The carbon and nitrogen stable isotope analysis of carbonitrides retained on the inner wall of the pottery residue unearthed at several sites of the Longshan Era of the Danjiang River along the Dan River in the Xichuan River in Henan Province was carried out to reveal the source of the food to be stored or cooked and the use of the objects. The results showed that δ ~ (13) C value was between C_3 and C_4 plants, indicating that most of the utensils had been cooked C_3 and C_4 foodstuffs. According to the situation in that area, The combination of δ ~ (13) C and δ ~ (15) N indicates that the biological sources of some carbonates include leguminous plants, carnivores or fish, indicating that the source of protein intake of ancient people is relatively rich. Therefore, the kind of food that Tao Ding processed at that time was not limited to meat, which showed the extensive function of Tao Ding and the variety of human food sources at the time, which deepened the understanding of ancient society’s food structure and living environment.