去世 发表于 2025-3-25 03:34:08

Cis-trãns Isomeric Carotenoids Vitamins A and Arylpolyenes978-3-7091-5548-6

Instinctive 发表于 2025-3-25 08:00:20

http://reply.papertrans.cn/23/2267/226661/226661_22.png

oxidize 发表于 2025-3-25 12:53:36

http://reply.papertrans.cn/23/2267/226661/226661_23.png

reperfusion 发表于 2025-3-25 16:50:23

http://reply.papertrans.cn/23/2267/226661/226661_24.png

abolish 发表于 2025-3-25 23:13:19

Zusammenfassung der Diskussionsergebnisseear in plants and animals is a question of biological and genetical interest. The relative scarcity of . carotenoids in living tissue indicates the presence of some directing and protective mechanism that forms and preserves the all-. configuration, even when the pigment is exposed to strong sunligh

WATER 发表于 2025-3-26 03:44:19

Zusammenfassung der Diskussionsergebnisseovern this relationship fully known, it would be easy to assign . configurations. Since this is not the case, some of the following considerations and assignments have tentative character and require confirmation by stereospecific syntheses.

男学院 发表于 2025-3-26 05:22:03

http://reply.papertrans.cn/23/2267/226661/226661_27.png

connoisseur 发表于 2025-3-26 10:50:27

https://doi.org/10.1007/978-3-662-09730-4 (.), Euler (.), Karrer (.), and others. It is now well known that .-carotene whose molecules contain two unsubstituted .-ionone rings is partially converted in the body into vitamin A, according to the schematic expression, C.H. → C.H.OH. Several other naturally occurring carotenoids such as .-caro

AMPLE 发表于 2025-3-26 13:49:00

Rehabilitation als biographischer Prozeßnstead of 40. As a special feature they carry functional groups at the end of the aliphatic chain. The structures of the four most important compounds to be discussed appear in the formulas (LI)–(LIV.)

敬礼 发表于 2025-3-26 17:29:19

http://reply.papertrans.cn/23/2267/226661/226661_30.png
页: 1 2 [3] 4 5 6 7
查看完整版本: Titlebook: Cis-trãns Isomeric Carotenoids Vitamins A and Arylpolyenes; L. Ƶechmeister Book 1962 Springer-Verlag Vienna 1962 Conjugated system.Isomer.