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- Publications
- Influence
Influence of Preparative Procedure on the Purity of Chlorophyll Components as Shown by Absorption Spectra
- F. Zscheile, C. Comar
- Chemistry
- Botanical Gazette
- 1 March 1941
1. An improved method for preparation of chlorophyll component solutions with reproducible spectroscopic properties is presented. The method is rapid and simple; sucrose is used, both for filtration… Expand
Peroxidase and polyphenol oxidase activity associated with Helminthosporium leaf spot of maize.
- P. Jennings, B. L. Brannaman, F. Zscheile
- Biology, Medicine
- Phytopathology
- 1 July 1969
THE PREPARATION AND ABSORPTION SPECTRA OF FIVE PURE CAROTENOID PIGMENTS.
- F. Zscheile, J. White, B. Beadle, J. Roach
- Chemistry, Medicine
- Plant physiology
- 1 July 1942
Studies on the carotenoids. 2. The isomerization of β-carotene and its relation to carotene analysis.
- B. Beadle, F. Zscheile
- Biology
- 1 June 1942
- 54
- 1
Photoelectric Spectrophotometry. An Apparatus for the Ultra-violet and Visible Spectral Regions: Its Construction, Calibration, and Application to Chemical Problems
- T. R. Hogness, F. Zscheile, A. E. Sidwell
- Chemistry
- 1 March 1937
Analytical Methods for Carotenes of Lycopersicon Species and Strains
- F. Zscheile, J. Porter
- Chemistry
- 1947
ABSORPTION SPECTRA OF ALPHA AND BETA CAROTENES AND LYCOPENE.
- E. S. Miller, G. Mackinney, F. Zscheile
- Materials Science, Medicine
- Plant physiology
- 1 April 1935
From the viewpoint of carotenoid spectroscopy, several important changes have been made. The period required for a single reading has been reduced from 60 to 10 seconds. The length of the liquid path… Expand
Selection and Breeding for High β-Carotene Content (Provitamin A) in Tomato
- G. Kohler, R. Lincoln, +4 authors W. Silver
- Biology
- Botanical Gazette
- 1 December 1947
1. High β-carotene concentration in tomato fruits has been obtained from selections of the cross [Baltimore x F1 (Rutgers x L. hirsutum P. I. 12644-5)]. One selection from this backcross generation… Expand
Provitamin A and Vitamin C in the Genus Lycopersicon
- R. Lincoln, F. Zscheile, J. Porter, G. Kohler, R. M. Caldwell
- Biology
- Botanical Gazette
- 1 September 1943
Tomatoes are a good source of both provitamin A (X-carotene) and vitamin C, and they are of greater value in human nutrition as a source of essential vitamins and minerals than as a source of energy.… Expand
CAROTENE CONTENT OP FRESH AND FROZEN GREEN VEGETABLES1
- F. Zscheile, B. Beadle, H. R. Khaybill
- Chemistry
- 1 July 1943
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