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Odour-active compounds in papaya fruit cv. Red Maradol
1Food Industry Research Institute, Carretera al Guatao km 3½, La Habana C.P. 19200, Cuba.
Food Chemistry
|November 2, 2013
Summary
Researchers identified key aroma compounds in Red Maradol papaya using advanced analytical techniques. Ethyl butanoate and benzyl isothiocyanate were found to be the most significant contributors to its characteristic fruity scent.
Area of Science:
- Food Chemistry
- Analytical Chemistry
- Plant Science
Background:
- Papaya (Carica papaya L.) is a tropical fruit valued for its unique aroma.
- Understanding the volatile profile of papaya is crucial for flavor and fragrance industries.
- The Red Maradol cultivar is commercially significant, yet its aroma composition requires detailed investigation.
Purpose of the Study:
- To comprehensively analyze the volatile compounds in Red Maradol papaya.
- To identify the specific odorant compounds responsible for the characteristic papaya aroma.
- To determine the most odor-active volatile compounds using sensory analysis and chemical detection.
Main Methods:
- Solid-phase microextraction (SPME) and simultaneous distillation-extraction (SDE) were employed for volatile compound isolation.
- Gas chromatography-flame ionization detection (GC-FID) and gas chromatography-mass spectrometry (GC-MS) were used for compound identification.
- Aroma extract dilution analysis (AEDA) and odor activity value (OAV) calculations were performed to pinpoint key aroma contributors.
Main Results:
- A total of 137 volatile compounds were detected, with 118 being positively identified.
- Twenty-five compounds were identified as significant odorants contributing to the typical papaya aroma.
- Ethyl butanoate, benzyl isothiocyanate, 1-hexen-3-one, (E)-β-ionone, and methyl benzoate were found to be the most potent odor-active compounds.
Conclusions:
- The study successfully elucidated the complex volatile profile of Red Maradol papaya.
- Key odorants contributing to papaya's aroma were identified, providing valuable insights for flavor development.
- The findings support the targeted use of specific volatile compounds to enhance or mimic papaya's desirable sensory characteristics.
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