Meliloester, a New Melilotic Ester from Melilotus alba

The biosynthesis of coumarin in Melilotus alba.

Previous investigations have shown that CY4-labeled transcinnamic acid is rapidly converted to o-coumaric acid P-glucoside by shoots of Melilotus alba (white sweet clover) (1) and Hierochlod odorata (sweet grass) (2). This glucoside is then converted to coumarin (l-3), possibly by way of trans-cis isomerization of the glucoside to coumarinic acid P-glucoside. The small amount of radioactivity f...

Genetic Blocks in the Synthesis of Coumarin in Melilotus alba

Effect of Genotype and Growth Stage on Distribution of Melilotic Acid, o-Coumaric Acid, and Coumarinic Acid in Melilotus alba Desr

A Temperature-Sensitive Chlorophyll β-Deficient Mutant of Sweetclover (Melilotus alba)

A Temperature-Sensitive Chlorophyll b-Deficient Mutant of Sweetclover (Melilotus alba).

The ch4 mutant of sweetclover (Melilotus alba) has previously been demonstrated to be partially deficient in chlorophyll and to have a higher ratio of chlorophyll a to b than normal plants. We were able to substantiate these findings when plants were grown at 23 degrees C and lower (permissive temperatures). However, when grown at 26 degrees C (nonpermissive temperature) the plants produced sma...