| 摘要 |
A gas adsorbent which has sufficient gas adsorptivity for noxious gas components in a cigarette when brought into contact with a gas stream having a high flow rate as that when it passes through a cigarette filter, and which releases a small amount of bad odor components such as amine impurities and free noxious components which adversely affect health such as aromatic compounds derived from the gas adsorbent itself, the gas adsorbent satisfying conditions (I), (II), (IV) and (V) or conditions (I), (III), (IV) and (V), as described in the specification.
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