Table 2.
Type | Acacia mangium | Vochysia guatemalensis | ||
---|---|---|---|---|
Sapwood | Heartwood | Sapwood | Heartwood | |
Extractives in ET (%) | 2.18 A (36) | 6.29 B (23) | 3.44 A (16) | 3.93 A (13) |
[1.31–2.98] | [4.24–9.11] | [2.93–4.62] | [2.85–4.79] | |
Extractives HW (%) | 9.18 A (16) | 14.41 B (13) | 13.69 A (10) | 13.99 A (12) |
[7.69–11.20] | [11.69–18.06] | [11.03–15.26] | [11.47–17.56] | |
Total extractives yield | 11.36 A (18) | 20.70 B (11) | 17.13 A (10) | 17.92 A (10) |
[9.00–13.89] | [17.29–25.27] | [14.05–19.32] | [14.84–22.16] | |
Phenols in HW | 966 A (39) | 6261 B (28) | 1922 A (35) | 2289 B (32) |
[560–1472] | [3256–10243] | [689–2896] | [1089–3658] | |
Phenols in ethanol-toluene | 324 A (50) | 3239 B (44) | 441 A (30) | 423 A (50) |
[167–552] | [754–6166] | [221–657] | [90–795] | |
Total phenol content | 1290 A (40) | 9500 B (24) | 2362 A (31) | 2712 A (29) |
[832–2025] | [4009–13902] | [980–3320] | [1331–4132] |
Note: Minimum and maximum values are shown in square brackets and CV in parentheses. Average values identified with the letters A and B are statistically different at α = 99%.