This dissertation describes the molecular causes of bitterness in chicory and heated avocado. After identifying guaiansesquiterpenelactones in chicory leaves and C17-21-oxylipins in heated avocado pulp by means of instrumental analytical techniques, the sensory effectiveness of these bitter compounds was investigated. By means of molecular-sensory techniques, a kokumi effect could be attributed to the C17-21-oxylipins with a partial 1-acetoxy-sceleton structure and their structure/effect relationship could be demonstrated.
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This dissertation describes the molecular causes of bitterness in chicory and heated avocado. After identifying guaiansesquiterpenelactones in chicory leaves and C17-21-oxylipins in heated avocado pulp by means of instrumental analytical techniques, the sensory effectiveness of these bitter compounds was investigated. By means of molecular-sensory techniques, a kokumi effect could be attributed to the C17-21-oxylipins with a partial 1-acetoxy-sceleton structure and their structure/effect relatio...
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