| Droplets of extractives only appeared in the inner ring of sapwood in some cells of the ray parenchyma as small refringent bodies. |
| It possesses a natural composite quality in the elastic sapwood and the more densely ringed heartwood. |
| In hardwoods especially, the heartwood coloration is preferred and the sometimes lighter sapwood may be considered a defect and discarded. |
| The first synthetic vanillin was produced by German chemists in 1874 from coniferin, the glucoside found in the sapwood of certain conifers. |
| However, the sapwood of these Actinidia species, as with other lianas, is highly porous with large diameter vessels. |
| They're a nice, knot-free heartwood, meaning that there's no outer layer of sapwood on it. |
