annex ii. experimental work

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Emmer, dehusked Emmer, husked Naked wheat, dehusked. 310°C (HHR). 81. 53. 94. 310°C (LHR). 3-16. 15. 13-68. 440°C (HHR). 57. 24. 74. 440°C (LHR).
ANNEX II. EXPERIMENTAL WORK 1. Introduction

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2. Experiment 1: threshing, charring and weathering 2.1. Materials and methods

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2.2. Results 2.2.1. Initial description of the assemblage

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2.2.2. Description of the assemblage after charring

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2.2.3. Description of the assemblage after its deposition

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2.3. Discussion

2.3.1. On the initial assemblage: threshing and grain fragmentation

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2.3.2. About the heat treatment process

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310°C (HHR) 310°C (LHR) 440°C (HHR) 440°C (LHR) 600°C (HHR) 600°C (LHR)

Emmer, dehusked 81 3-16 57 0-11 13 0-26

Emmer, husked 53 15 24 3 11 0

2.3.3. On the context of deposition

2.4. Conclusions and future perspectives

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Naked wheat, dehusked 94 13-68 74 26-44 21 21-49

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3.1. Materials and methods

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3.2. Results

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Type of fragmentation of the grains longitudinal fragments 15%

transversal fragments 85%

Size of the grain fragments 1-1,99 mm 15% 3 mm or 2-2,99 mm more 28% 57%

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Dehusking efficiency dehusked grain hulled grain 28% 28% semidehusked grain 44%

Persistence of the embryo grain without embryo 8%

grain with embryo 92%

Proportions of the different identified types

type 3 27%

type 1.a 7% type 1.b 22%

type 2.b2 1% type 2.b1 42%

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type 2 0% type 2.a 1%

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3.3. Discussion and conclusions On the efficiency of the dehusking process

On the interest for archaeobotanical analyses

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