brownification

例句：

1. 1.The process of browning is essential for the ripening of fruits and vegetables.
   褐变过程对于水果和蔬菜的成熟至关重要。
2. 2. Browning off is a common problem in food processing, causing undesirable changes in texture and color.
   褐变是食品加工中常见的问题，导致质地和颜色发生变化。
3. 3. During the browning process, the sugars in the fruit are converted into caramelized sugars, giving the fruit its characteristic brown color.
   在褐变过程中，水果中的糖分被转化为焦糖糖，赋予水果其特有的棕色。