Spinach stems and the inner cores of carrots and broccoli become tougher with age and do not soften when heated because of

Name: Spinach stems and the inner cores of carrots and broccoli become tougher with age and do not soften when heated because of
Brand: Quizplus
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Question

Quizplus · Accepted Answer

Lignin is responsible for the toughness in the stems and inner cores of vegetables like spinach, carrots, and broccoli as they age. It does not soften with heat, making these parts of the vegetables remain tough even after cooking.

Spinach Stems and the Inner Cores of Carrots and Broccoli