Vitamin A Functions and Retinoid Cycle

The video explores vitamin A, its structure, metabolism, and function in the human body, starting with carotenoids in plants. It discusses how carotenoids like beta carotene are converted to vitamin A, their structural features, and their role in photoprotection. The conversion pathway of carotenoids to retinal and the retinoid cycle's significance in vision are also covered.

What are the main carotenoids that have vitamin A activity?

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Discuss the role of retinoids in vision and their importance in the human body.

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How does light affect the structure of retinal in the visual cycle?

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