Official Journal of the Japan Wood Research Society
Table 3 Dimensional characteristics of the cork cells (see Fig. 1 for clarification) and the cellular structure of Quercus variabilis and, for comparison, of those of Quercus suber [1]
From: Cellular structure and chemical composition of cork from the Chinese cork oak (Quercus variabilis)
Q. variabilis | Q. suber | |||
|---|---|---|---|---|
Earlycork | Latecork | Earlycork | Latecork | |
Prism height, μm | 21.4 | 10.4 | 30–40 | 10–15 |
Prism base edge, μm | 17.2 | 17.2 | 13–15 | 13–15 |
Average base area, cm2 | 7.6 × 10−6 | 7.6 × 10−6 | 4–6 × 10−6 | 4–6 × 10−6 |
Total cell volume, cm3 | 1.6 × 10−8 | 0.8 × 10−8 | 1–3 × 10−8 | 0.5–1 × 10−8 |
Number of cells per cm3 | 6.1 × 107 | 12.5 × 107 | 4–7 × 107 | 10–20 × 107 |
Solid volume fraction, % | 13.1 | 40.0 | 8–9 | 15–22 |