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| Content Provider | Springer Nature : BioMed Central |
|---|---|
| Author | Athirah, Dayang Nur Asaruddin, Mohd Razip Bhawani, Showkat Ahmad Simbas, Aldrin Felix Jack, Kho Swen |
| Abstract | Objectives This study aimed to evaluate the effectiveness of the E’ food grade preservative – potassium sorbate (E202) and sodium metabisulfite (E223) in an aqueous form, and impact of the timing of preservative addition on the shelf-life, sugar and reducing sugars levels, organic acids content and microbial growth of nipa palm sap. Results The pH, sugar and reducing sugars levels, organic acids content, total bacterial count (TBC) and sensory characteristics of the sample were determined. The results showed that the treated samples were able to slow down the pH and sucrose content from dropping during storage. Sample A had lactic acid at 0.93 ± 0.01 g/L and acetic acid at 0.05 ± 0.0.1 g/L, while Sample B had 0.97 ± 0.02 g/L and 0.07 ± 0.01 g/L, respectively, both lower than the control (1.10 ± 0.01 g/L and 0.09 ± 0.02 g/L). Sample A with TBC of 1.03 (± 0.08) x 105 CFU/mL was able to inhibit microbial growth better than Sample B, 1.14 (± 0.13) x 105 CFU/mL. Preservative application prior to tapping was shown to be more successful in preserving the quality and shelf-life of nipa palm sap. This approach is likely preventing early microbial activity and fermentation without the need of proper packaging, preserving the freshness and quality of the sap more effectively than adding the preservative after collection. |
| Related Links | https://bmcresnotes.biomedcentral.com/counter/pdf/10.1186/s13104-024-07039-5.pdf |
| Ending Page | 9 |
| Page Count | 9 |
| Starting Page | 1 |
| File Format | HTM / HTML |
| ISSN | 17560500 |
| DOI | 10.1186/s13104-024-07039-5 |
| Journal | BMC Research Notes |
| Issue Number | 1 |
| Volume Number | 18 |
| Language | English |
| Publisher | BioMed Central |
| Publisher Date | 2025-03-31 |
| Access Restriction | Open |
| Subject Keyword | Biomedicine Medicine Public Health Life Sciences Food preservatives Timing of preservative addition Nipa palm sap Medicine/Public Health |
| Content Type | Text |
| Resource Type | Article |
| Subject | Biochemistry, Genetics and Molecular Biology Medicine |
| Journal Impact Factor | 1.6/2023 |
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