Transcriber’s Notes

Obvious typographical errors have been silently corrected. All otherspelling and punctuation remains unchanged. In particular the authoruses Kavahin for what is now normally referred to as Kavain.

THESIS
presented for the degree of
MASTER OF SCIENCE
at
THE COLLEGE OF HAWAII
JUNE 1915
by
ALICE A. BALL.


The Thesis, herewith, on “The Chemical Constituentsof the Active Principle of the Ava Root” by Alice A. Ball,clearly demonstrates her ability to do original work and topresent her results in logical form. Approved.


J. F. Illingworth
Chair of the Committee on
Advanced Degrees.

College of Hawaii,
May 14, 1915.


THE CHEMICAL CONSTITUENTS
OF
PIPER METHYSTICUM

OR
THE CHEMICAL CONSTITUENTS
OF THE ACTIVE PRINCIPLE
OF THE AVA ROOT.


INDEX.

Page
1.  Historical1
2. Method of Extraction7
3.Method of Separation of the Resins9
4.Various Metallic Salts of the Resinous Acids12
5.The Total Resins13
6.The Barium Acid15
7.Oxidation Products of the Barium Acids21
8.The Iron Acids28
9.Oxidation of the Iron Acids and the Free Acids33
10.Alcohol Radicals34
11.Methysticin and Methysticinic Acid36
12.Physiological Action38
13.Conclusion43

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