The sugarless chewing xylitol gum is one of most popular leisure foods at present in the world, and it develops rapidly at home especially for the feature that it can help to protect the teeth.

• 无糖口香糖是目前国际上最流行的时尚休闲食品之一，在国内也发展很快特别是其能帮助护齿的特点深受消费者青睐。