Enzymes and their applications / By Dr. Jean Effront ... English translation by Samuel C. Prescott ... v. 1. The enzymes of the carbohydrates. The oxidases.

  • Effront, Jean, 1850-1931.
Date:
1902
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Licence: Public Domain Mark

Credit: Enzymes and their applications / By Dr. Jean Effront ... English translation by Samuel C. Prescott ... v. 1. The enzymes of the carbohydrates. The oxidases. Source: Wellcome Collection.

Provider: This material has been provided by the Augustus C. Long Health Sciences Library at Columbia University and Columbia University Libraries/Information Services, through the Medical Heritage Library. The original may be consulted at the the Augustus C. Long Health Sciences Library at Columbia University and Columbia University.

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    TABLE OF CONTENTS. PAGE Preface *• CHAPTER I. GENERAL REMARKS. Synthetical and analytical work of the living cell.—Synchronism of the two phenomena.—Difference between chemical and physio- logical activity.—Chemical agents and physiological agents.—In- tervention of vital energy.—Necessity of studying the physical and chemical conditions of the medium.—Definition of enzymes. ■—Their part in assimilation and disassimilation.—Enzymes as producers of heat I CHAPTER II. GENERAL PROPERTIES. History of the knowledge of enzymes.—Works of Reaumur and Spallanzani,Kirchoff, Dubrunfaut and Payen.—General properties of diastases.—Means of distinguishing a diastatic action from a purely chemical action.—Test with tincture of guaiacum.—Law of proportionality in diastatic action.—Means of distinguishing the work of organized ferments from diastatic action.—Means of isolating the diastase from the medium which contains it.—Chem- ical composition of enzymes.—Zymogenesis.—Method of action of diastases ifc CHAPTER III. MANNER OF ACTION OF DIASTASES. Manner of action of diastases.—Different opinions on this subject.— The diastatic property and the diastase itself.—Works of