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Planta Med 1980; 38(2): 121-127
DOI: 10.1055/s-2008-1074846
Research Articles

© Georg Thieme Verlag Stuttgart · New York

Über die Stabilität der diastereomeren Aloine A und B sowie ihr Haupt-Zersetzungs-Produkt 4-Hydroxyaloin

Stability of the Diastereomeric Aloins A and B and their Main Decomposition Product 4-HydroxyaloinE. Graf, M. Alexa
  • Pharmazeutisches Institut der Universität, Lehrstuhl für Pharmazeutische Technologie, Tübingen, Bundesrepublik Deutschland.
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Publication History

Publication Date:
29 April 2008 (online)

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Abstract

The two diastereomeric aloins A and B are in pure state fairly stable. Their stability against air, solvents, pH influence, peroxide, heat, and light is described. In presence of alkali or of impurities they are converted into one another and quickly decomposed. The main decomposition product is 4-hydroxyaloin, as shown by analytic and spectroscopic data.

Key Word Index

Aloe - Liliaceae - Aloin - Diastereomers - 4-Hydroxyaloin - Stability - Fragmentation.