Why old vegetables taste bitter?

One reason is that as vegetables age, they produce more compounds called glucosinolates. These compounds are responsible for the bitter taste of many cruciferous vegetables, such as broccoli, cabbage, and kale. The older the vegetable, the more glucosinolates it will contain, and the more bitter it will taste.

Another reason why old vegetables can taste bitter is that they may have been exposed to ethylene gas. Ethylene is a plant hormone that is produced when vegetables are damaged or stressed. It can cause vegetables to ripen prematurely, and it can also make them taste bitter.

Finally, old vegetables may also taste bitter because they have lost their nutrients. As vegetables age, they lose their vitamins, minerals, and other nutrients. This can make them taste bland and watery, and it can also make them more susceptible to spoilage.

Here are some tips for avoiding bitter vegetables:

* Buy fresh vegetables. Look for vegetables that are firm, brightly colored, and free from blemishes.

* Store vegetables properly. Store vegetables in a cool, dark place. Most vegetables will keep for several days in the refrigerator.

* Cook vegetables quickly. Overcooking vegetables can make them taste bitter.

* Add a little acid to vegetables. Acid can help to balance the bitterness of vegetables. You can add lemon juice, vinegar, or cream to your vegetables.

By following these tips, you can avoid bitter vegetables and enjoy the delicious flavors of fresh produce.