A slight yellowing can be eaten. If the color of broccoli becomes too yellow or too soft, the broccoli is likely to have rotted and deteriorated, so don't eat it.
When preserving broccoli, it should be noted that broccoli should not be placed in a dry place, which can easily lead to water loss and yellowing; Secondly, don't put broccoli in a wet place, which can easily lead to broccoli deterioration.
Broccoli generally refers to broccoli. Broccoli, also known as cauliflower, broccoli and broccoli, is a variety of Brassica oleracea with green flower ball as its product. The leaves are large, the top of the main stem forms a hypertrophic flower ball, green or purple green, the small flower buds on the surface are not dense together, and the top of the lateral branches have small flower balls. It originated in Italy along the Mediterranean coast of Europe and was introduced into China at the end of the 19th century. （XiLanHuaBianHuangLeHaiKeYiChiMa）