ScienceJohn Michels (Journalist) 1936 |
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Page 383
... acid instead of alkaline , the results are strikingly different . No spreading occurs at 25 ° C. unless the concentration of stearic acid in the petro- latum exceeds 0.0032 parts by weight . For concen- trations above this , however ...
... acid instead of alkaline , the results are strikingly different . No spreading occurs at 25 ° C. unless the concentration of stearic acid in the petro- latum exceeds 0.0032 parts by weight . For concen- trations above this , however ...
Page 461
... acid daily . Plant tissues which contain ascorbic acid apparently also contain an ascorbic acid oxidizing enzyme which is liberated when the cells are crushed . The enzyme in some plants is very active . For example , the large amount ...
... acid daily . Plant tissues which contain ascorbic acid apparently also contain an ascorbic acid oxidizing enzyme which is liberated when the cells are crushed . The enzyme in some plants is very active . For example , the large amount ...
Page 462
... acid after holding cold for 3 days than does an aliquot held raw for the same time . This is because more of the enzyme than of the ascorbic acid is destroyed by 1 hour's heating . An insignificant amount of ascorbic acid is destroyed ...
... acid after holding cold for 3 days than does an aliquot held raw for the same time . This is because more of the enzyme than of the ascorbic acid is destroyed by 1 hour's heating . An insignificant amount of ascorbic acid is destroyed ...
Contents
VOL | 1 |
Academy of Science Nebraska 20 North Carolina | 20 |
Activity Measurement K M WILBUR 274 | 35 |
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Academy of Sciences acid activity Advancement of Science Agriculture American animals annual aphids appointed ascorbic acid Association awarded bacteriology biological Botanical Bureau California cells cent chem chemical chemist chemistry Chicago City College committee Cornell University Council culture director discussion disease Division effect eggs electrical engineering fessor field film Forest genes geology Grand Central Terminal Harvard Harvard University held horticulture human ical industrial insects Institute interest investigations Jour laboratory lecture living material mathematics Medal Medicine meeting ment method Museum National nature observed organic papers physics physiology plants present president problems professor protein recent RECENT DEATHS reported Rochester Rockefeller Foundation SCIENCE FRIDAY scientific scientists secretary Section selenium session Sigma Xi Smithsonian Institution Building Society soil solution species specimens Survey temperature Theobald Smith tion tissue tumors United University versity vitamin Washington William York York City