| Project/Area Number |
19500870
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| Research Category |
Grant-in-Aid for Scientific Research (C)
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| Allocation Type | Single-year Grants |
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| Section | 一般 |
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| Research Field |
Cultural property science
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| Research Institution | International Christian University |
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Principal Investigator |
HORIUCHI Akiko International Christian University, 教養学部, 上級准教授 (60052289)
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| Co-Investigator(Kenkyū-buntansha) |
MIYATA Yoshiki 名古屋大学, 年代測定総合研究センター, 研究員 (70413896)
ONBE Shin 徳島大学, 埋蔵文化財調査室, 助教 (50450151)
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| Project Period (FY) |
2007 – 2010
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| Project Status |
Completed (Fiscal Year 2010)
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| Budget Amount *help |
¥4,680,000 (Direct Cost: ¥3,600,000、Indirect Cost: ¥1,080,000)
Fiscal Year 2010: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2009: ¥520,000 (Direct Cost: ¥400,000、Indirect Cost: ¥120,000)
Fiscal Year 2008: ¥1,560,000 (Direct Cost: ¥1,200,000、Indirect Cost: ¥360,000)
Fiscal Year 2007: ¥2,080,000 (Direct Cost: ¥1,600,000、Indirect Cost: ¥480,000)
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| Keywords | 土器 / 製塩 / 化学分析 / ステロール / 塩化物イオン / 沖浦遺跡 / 製塩土器 / 脂質 / 塩 / 塩化物 / 考古学 / 塩化物イオン電極 / 実験製塩土器 / ガスクロマトグラフィー |
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| Research Abstract |
Because salt is soluble in water, it has being thought that any trace of salt will not remain in ancient pottery. However, we have identified strongly bound chloride (Cl^-), un-dissolved in water, remaining in the pottery matrix, and demonstrated that strongly bound Cl^- can be extracted with fluoride ion. This methodology is successfully applied to identify ancient salt-making pottery. Moreover, from the analysis of simulated salt-making potteries, identification of oceanic sterols and sterols from diatoms known to inhabit on the surface of algae, were found to be capable of distinguishing different salt-making methods, Sosi-ho (simply concentrate seawater by heating) and Moshio-ho (use algae to pre-concentrate seawater prior to heating).
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