and Food - American Chemical Society

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J O U R N A L

Our greatest need today is for more men seeking new knowledge simply for the sake of knowledge itself —James H. Hilton

OF

Agricultural

— a n d Food JUNE 23, 1954 Volume 2

Chemistry

Number 13

Copyright 1954 bv American Chemical Society

Editor: WALTEK J. M U R P H Y Executive Editor: James M, Crowe Managing Editor: Richard L. Kenyon Production Manager: Joseph H. Kuney Associate Editors: WASHINGTON: Robert G. Gibbs. Stella Anderson, G. Gladys G o r d o n , Ruth Cornette, Edward J. Reardon C H I C A G O : Rodnev N. Hader H O U S T O N : Harry W. Haines, Jr. NEW Y O R K : Harry Stenerson, Harold A. Knight, Howard J. Sanders SAN FRANCISCO: William Q. Hull, G o r d o n H. Bixler E A S T O N : Bertha Reynolds, Charlotte C. Sayre E U R O P E : G o r d o n C. Inskeep Assistant Editors: Katherine Biggs, Mar-aret C. Summers, Kevin J. Bradley, Al-ert S. Hester. Thompson E. Upham, Kenneth M. Reese. Melvin A. Judah Editorial Assistants: Betty V. Kieffer, Sue R. Peter, Ruth C. Laubach. William L. Ostrowski. Veronica O'Keefe, Dolores M. Federico, Fern S. Jackson, Ruth M. H o worth, Whilden W. J o h n s o n Advisory Board: LaVerne F. Clifcorn, Russell Coleman. Albert L. Elder, Conrad A. Elvehjem. Charles H. Fisher, Walter G. Franken burg, J. F. Fudge, Francis A. Gunther, H. L. Haller, Lea S. Hitchner, Charles G. King, Walter H. MacIntire. Harvey B. Mann, John H. Nair, Bernard L. Oser, Vincent Sauchelli, J. L. St. John, Betty Sullivan, Paul T . Truitt, Feland A. Underkofler

I he A m e r i c a n C h e m i c a l Society a s s u m e s n o r e sponsibility tor the statements and o p i n i o n s advanced by c o n t r i b u t o r s to its p u b l i i a t i o n s . V i e w s e x p r e s s e d in t h e e d i t o r i a l s a r e t h o s e of t h e e d i t o r s a n d d o n o t n e c e s s a r i l y r e p r e s e n t t h e official p o s i t i o n of t h e PuhlVshed b i f w e e k i y " h v \ h e A m e r i c a n C h e m i c a l Society, from 2 0 t h a n d N o r t h a m p t o n S t s . . F a s t o n , P a . E x e c u t i s e offices. E d i t o r i a l H e a d q u a r t e r s , a n d C i r c u l a t i o n D e p a r t m e n t , 1 1 5 5 S i x t e e n t h St., N . W . , W a s h i n g t o n 6. I 1 C . A d v e r t i s i i m Office: 3.30 W e s t 4 2 n d St., N e w Y o r k s 6 . N . V . B r a n c h E d i t o r i a l Offices: C h i c a g o 1, 111., « 6 Hast R a n d o l p h St.; H o u s t o n 2 . l e x . , 6 2 3 vV est Bid»;.; L o n d o n . Bush H o u s e , A l d w s c h : N e w Y o r k 1 - , N Y . , 6 0 East 4 2 n d St.: San F r a n c i s c o 4 , Calif.. "(11 M e c h a n i c s ' I n s t i t u t e B i d s . , S-" Post St. E n t e r e d as s e c o n d - c l a s s m titer at t h e P o s t Office _at F a s t o n . Pa.. Li.S.A.. u n d e r t h e Act o f M a r c h 3 . 1 K 9 as 2 6 t i m e s a year o n esers o t h e r W e d n e s d a y . Annual subscriptions: members 55.00, n o n m e m h e r s S 6 . 0 0 . P o s t a g e to c o u n t r i e s n o t in t h e P a n A m e r i c a n l ' n i o n S 1.50; C a n a d i a n p o s t a g e SO.50. Sitiiile c o p i e s : c u r r e n t issues, m e m b e r s SO.40, n o n m e m h e r s S o . 5 0 . C l a i m s l o r m i s s i n g n u m b e r s will not lie a l l o w e d If r e c e i v e d m o r e t h a n 6 0 days f r o m d a t e ol m a i l i n g plus t i m e n o r m a l l y r e q u i r e d for postal delivers of j o u r n a l a n d c l a i m . N o c l a i m s a l l o w e d from s u b s c r i b e r s in c e n t r a l E u r o p e . Asia, o r t h e Pact tic 1 si a n tis o t h e r t h a n H a w a i i , o r b e c a u s e of failure to notifs the ( i r c u l a t i o n D e p a r t m e n t of a c h a n g e of a d d r e s s , o r b e c a u s e c o p s is " m i s s i n e ; from (îles." C H A N C E O E A D D R E S S : Notifs C i r c u l a t i o n D e p a r t m e n t , A m e r i c a n C h e m i c a l Society, at 1 1 5 5 Sixt e e n t h St., N . W . . W a s h i n g t o n 6, D . C . Such n o t i fication s h o u l d i n c l u d e b o ; h o l d a n d n e w a d d r e s s e s a n d postal z o n e n u m b e r , it a n s . T h e A m e r i c a n C h e m i c a l Socieis a l s o p u b l i s h e s : Analytical Chemistri. < hernial au.l Intsineering Sails. Chemie.il Abstracts, journal 'it the American Chemic.il Society. ltt.litstri.il .tnel I'Mltineermc Chemistry, a n d t h e J.mm.it nf lJhy\tc.il < heiiintry. Rates o n r e q u e s t .

contents Ag and Food Newsletter Washington Editorial News The Observation Post C. L. Welch Technical Section

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.

663 664 665 666 671 679

Associations Forum . . . . New Products and Equipment Literature Available . . . . Legislation and Regulations . New Books Business and Finance. . . . Perspective

701 702 703 704 705 706 708

Feature Significance of the Vitamins in Human Nutrition L. D. Wright

672

Pesticides W e e d Control, Effects of 3-Amino-! ,2,4-triazole and Derivatives on Nutgrass and Johnson Grass E. W. Hauser and Jack Thompson

680

Herbicide Determination, Application of Chromatography in Determination of Micro Quantities of 3-(p-Chlorophenyl)-l ,1 -dimethylurea W. E. Bleidner

682

Food Processing Orange Carotenoids, Polyoxygen Carotenoids of Valencia Juice A. L. Curl and G. F. Bailey

Orange

Fumigant Analysis, Determination of Ethylene Dibromide and Ethylene Chlorobromide in Air β. Η. Kennett.

685

69!

Food Processing—Plant Nutrients and Regulators Cottonseed Contents Variation, Influence of Variety and Environment On Oil Content of Cottonseed Kernels M. F. Stansbury, A. F. Cucullu, and G. T. Den Hartog

692

Nutrition Forage Crop Constituents, the Isolation and Analysis of Hemicelluloses From Orchard Grass H. P. Binger, J. T. Sullivan, and C. O. Jensen

696