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有關阿原記事本

阿原,江易原,記下一些事情跟朋友們分享,也留下自己學習與成長的紀錄。教學課程請見 "阿原小站" 還有阿原開放式課程阿原直播與教學影片阿原生活影片阿原創新顧問公司阿原科幻小說-NC1543、教師教學社團:開源軟體與教學應用
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2024/11/04

20241104 Digital notes: vitamin A

 

 

 I learned the website about chemical structure. Especially 3D structure


(Appropriate citation to prevent plagiarism)

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This molecule is from molview.org created by  Herman Bergwerf

 

The vitamin a structure is from this link

https://molview.org/?cid=445354


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The following texts in "italic" are from wikipedia

https://en.wikipedia.org/wiki/Vitamin_A


 

Vitamin A is a fat-soluble vitamin that is an essential nutrient. The term "vitamin A" encompasses a group of chemically related organic compounds that includes retinol, retinyl esters, and several provitamin (precursor) carotenoids, most notably β-carotene (beta-carotene).[3][4][5][6] Vitamin A has multiple functions: growth during embryo development, maintaining the immune system, and healthy vision. For aiding vision specifically, it combines with the protein opsin to form rhodopsin, the light-absorbing molecule necessary for both low-light (scotopic vision) and color vision.[7]

 

 My opinions: I do not know that vitamin A is a family until this moment.  And the beta-carotene is the best plant-source of vitamin A 

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