Although some gums today still use plants, most recipes today now use synthetic rubber mixed with sugar and other flavorings.

尽管今天有些口香糖仍在使用植物，但如今大多数都使用的是合成橡胶与糖和味料混合而成。

There are hundreds of related plants, including rubber trees, trees that produce castor and tung oil, and the cassava, a root crop.

大戟植物多达数百，包括橡胶树、蓖麻油和桐油的树木，以及木薯这类块根作物等。

As the plant dries, these resources take on first the properties of honey, then rubber, and finally enter a glass-like state that is " the most stable state that the plant can maintain, " Farrant says.

随着植物的干燥， 这些资源首先呈现出蜂蜜的特性， 然后呈现出橡胶的特性，最后进入玻璃状状态， 这是“植物可以维持的最稳定状态， ” Farrant 说。