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- Title
Formation of Volatile and Aroma Compounds during the Dehydration of Membrane-Clarified Sugarcane Juice to Non-Centrifugal Sugar.
- Authors
Ge, Yanjing; Li, Kai; Xie, Caifeng; Xu, Yongshi; Shi, Changrong; Hang, Fangxue; Doherty, William O. S.
- Abstract
The development of volatile compounds and their precursors during the dehydration process of membrane-clarified sugarcane juice to non-centrifugal sugar (NCS) was investigated. Head-space solid phase microextraction/gas chromatography–mass spectrometry (HS-SPME/GC–MS) coupled with chemometrics was employed to assess the differences at the various stages of the dehydration process. A total of 111 volatile compounds were identified, among which 57 were endogenous compounds from sugarcane juice and displayed an attenuated abundance in the first 30 min. Typical oxygen and nitrogen heterocyclic compounds, including furans and pyrazines, and aldehydes derived were found to be the main volatiles contributing to the formation of NCS characteristic aroma, with phenols, alcohols, esters, acids, and sulfur compounds as supplementary odor. Free amino acids and reducing sugars were identified as important precursors for the aroma development process. The low temperature (90–108 °C) and micro vacuum condition (−0.03 MPa) approach used in this study could be an alternative option for the manufacture of NCS.
- Subjects
FOOD aroma; SUGARCANE; SULFUR compounds; NITROGEN compounds; SUGAR; HETEROCYCLIC compounds
- Publication
Foods, 2021, Vol 10, Issue 7, p1561
- ISSN
2304-8158
- Publication type
Article
- DOI
10.3390/foods10071561