Carotin; the Principal Natural Yellow Pigment of Milk Fat; Chemical And Physiological Relations of Pigments of Milk Fat to the Carotin And Xanthophylls of Green Plants
The book Carotin; the Principal Natural Yellow Pigment of Milk Fat; Chemical And Physiological Relations of Pigments of Milk Fat to the Carotin And Xanthophylls of Green Plants was written by author Leroy Sheldon Palmer Here you can read free online of Carotin; the Principal Natural Yellow Pigment of Milk Fat; Chemical And Physiological Relations of Pigments of Milk Fat to the Carotin And Xanthophylls of Green Plants book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Carotin; the Principal Natural Yellow Pigment of Milk Fat; Chemical And Physiological Relations of Pigments of Milk Fat to the Carotin And Xanthophylls of Green Plants a good or bad book?
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Palmer and C. H. Eckles For a number of years the great variety of yellow animal pig- ments have been classified under the general name lipochrome. Recent investigations by Willstatter and Escher,i and by Escher ^ have shown, however, that some of these pigments are in reality very closely related or identical with the carotin or xanthophyll pigments of plants. Will- statter and Escher have analyzed the pure lutein of egg yolk and found it to be isomeric with the crystalline xanthophyll of gree...n plants ; and- Escher has identified in the same manner the lipochrome of the corpus luteum as a true carotin. The isolation of both pig- ments was attended with great difficulty. In the case of the egg yolk pigment the yolk of 6,000 hen eggs yielded only four grams of crude crystalline pigment, while in the case of the corpus luteum pigment less than 0.5 gram of crystals were obtained from 10,000 cows' ovaries. The natural yellow pigment of butter is the most commonly ob- served of all animal lipochromes.
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