1. Special odor: The smell of raw materials is thicker than that of dry materials. Large pieces of raw material (or semi-dry materials) have a strong odor and often have a natural foul odor. The smell of wood comes from the wood cell cavity (mainly in the heartwood) containing various volatile substances, as well as tannins, resins, gums and the like. This feature is based on the new cut surface of healthy dry materials. The special smell comes from the volatiles contained in the wood. With rosin smell - such as Pinus massoniana, South Asian pine and so on. With cedar wood aroma - such as cypress, garden cypress and so on. With aroma of fir - such as fir, cedar and so on. Has a camphor smell - such as citron. Bug smell - kidney shaped fruit. With a sweet smell - such as oil and so on. With a fragrant smell - such as citron (can be used as a cigar box). With a bad smell - such as tofu wood (smelly eight veins). A few odorless - such as sweet gum (suitable for making tea boxes).
2. Special taste: the taste is caused by the dissolution of the permeate in the wood. The taste of wood is not significant and usually has no identifying value. A few have bitter taste - such as bitter wood, berberine, ebony (yellow bilirubin) and so on.
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