Claim · model-written summary
Optimized chitosan coating extended guava shelf life to nine days versus five days uncoated.
- Taxon
- guava
Psidium guajavae0 - Treatment
- 1% (w/v) chitosan for 3 mine1
- Outcome
- shelf lifee0
- Direction
- extensione0
- Value
- 9 dayse0
- Qualifier
- 5 dayse0
- Comparator
- uncoated fresh-cut guavae0
Not reportedMaterialGeneCompoundOrgan / stageInteractorInteractor roleSecond interactorSecond interactor roleSetting
Organisms pictured · Representative pictures of the matched species, not figures from the paper.

Verbatim
e0“extension of its shelf life up to 9 days, as compared to 5 days shelf life of uncoated fresh-cut guava”
e1“1% (w/v) chitosan for 3 min”
Title
J. Kumari; Pooja Acta Alimentaria 2023. doi:10.1556/066.2022.00203
Other claims from this paper (11)
- Intervention effect Chitosan significantly inhibited microbial growth on guava.
- Intervention effect Chitosan preserved guava physicochemical characteristics.
- Method / resource A 1% chitosan dip for three minutes yielded 91% desirability.
- Observation At day nine, coated guava had firmness of 1.90 (kg).
- Observation At day nine, coated guava had sugars content of 2.6 g/100 g.
- Observation At day nine, coated guava had total soluble solids content of 8.0 °Brix.
- Observation At day nine, coated guava had pH of 3.4.
- Observation At day nine, coated guava had total plate count of 4.1 log CFU g −1.
- Observation At day nine, coated guava had yeast and moulds count of 3.1 log CFU g −1.
- Observation At day nine, coated guava had total coliforms count of 3.1 log CFU g −1.
- Observation Chitosan-coated guava remained acceptably fresh through day ten under refrigeration.