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Storage Stability and Consumer Acceptability of Dried Apple: Impact of Citric Acid, Potassium Sorbate and Moringa oleifera Leaf Extract Powder

The effects of a dipping solution containing 2.0% citric acid (CA) and 0.1% leaf extract powder (MOLEP) (CMO) and another dipping solution with CA at 2.0%, MOLEP at 0.1% and potassium sorbate (PS) at 0.2% (CMOP) on the storage stability over 3 months and consumer acceptability of dried apple slices...

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Published in:	Foods 2022-03, Vol.11 (7), p.984
Main Authors:	Arendse, Washiela, Jideani, Victoria
Format:	Article
Language:	English
Subjects:	Acceptability Acidity apple Apples browning Citric acid Color Consumers Dipping dried E coli Food Food science Fruits Leaves Microorganisms Moisture effects Moringa oleifera Oxidation Physical tests Plant extracts Potassium Potassium sorbate Powder Product development Sensory perception Shelf life Storage stability Texture Water activity Yeast Yeasts
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description	The effects of a dipping solution containing 2.0% citric acid (CA) and 0.1% leaf extract powder (MOLEP) (CMO) and another dipping solution with CA at 2.0%, MOLEP at 0.1% and potassium sorbate (PS) at 0.2% (CMOP) on the storage stability over 3 months and consumer acceptability of dried apple slices were evaluated. Microbiological testing (osmophilic yeast, Escherichia coli and yeast and moulds) and total acidity testing were performed and physical tests, namely moisture analysis, water activity (A ), texture analysis and colour were performed at day 0, day 60 and day 120. Moisture increased over the shelf-life period, which affected the extensibility of the pre-treated dried sliced apples negatively. The CMO pre-treatment was effective in reducing browning and inhibiting microbial growth on the dried apple slices over the storage period. A consumer acceptability test was performed using the nine-point hedonic scale. The dried sliced apples pre-treated with the 2% CA and 0.1% MOLEP powder water solution were acceptable to consumers with regards to colour, texture and taste.
doi_str_mv	10.3390/foods11070984
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Microbiological testing (osmophilic yeast, Escherichia coli and yeast and moulds) and total acidity testing were performed and physical tests, namely moisture analysis, water activity (A ), texture analysis and colour were performed at day 0, day 60 and day 120. Moisture increased over the shelf-life period, which affected the extensibility of the pre-treated dried sliced apples negatively. The CMO pre-treatment was effective in reducing browning and inhibiting microbial growth on the dried apple slices over the storage period. A consumer acceptability test was performed using the nine-point hedonic scale. The dried sliced apples pre-treated with the 2% CA and 0.1% MOLEP powder water solution were acceptable to consumers with regards to colour, texture and taste.</description><subject>Acceptability</subject><subject>Acidity</subject><subject>apple</subject><subject>Apples</subject><subject>browning</subject><subject>Citric acid</subject><subject>Color</subject><subject>Consumers</subject><subject>Dipping</subject><subject>dried</subject><subject>E coli</subject><subject>Food</subject><subject>Food science</subject><subject>Fruits</subject><subject>Leaves</subject><subject>Microorganisms</subject><subject>Moisture effects</subject><subject>Moringa oleifera</subject><subject>Oxidation</subject><subject>Physical tests</subject><subject>Plant extracts</subject><subject>Potassium</subject><subject>Potassium sorbate</subject><subject>Powder</subject><subject>Product development</subject><subject>Sensory perception</subject><subject>Shelf life</subject><subject>Storage stability</subject><subject>Texture</subject><subject>Water activity</subject><subject>Yeast</subject><subject>Yeasts</subject><issn>2304-8158</issn><issn>2304-8158</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><sourceid>PIMPY</sourceid><sourceid>DOA</sourceid><recordid>eNpdkktvEzEURkcIRKvSJVtkiQ2LBvyYh80CKQoFIgVRKbC2_LgOjmbGg-0B-if6mztJStTgja17j498ra8oXhL8ljGB37kQbCIEN1jw8klxThkuZ5xU_Omj81lxmdIWT0sQxhl9XpyxqpzuNOS8uFvnENUG0Dor7Vufb5HqLVqEPo0dRDQ3BoZjKzj0MXqwaD4MLbxHy25QJu_KC5-jNxPu7RW6CVml5McOrUPUKsPe-TVE328UCi14B1GhFSiHrv_muHPchD8W4ovimVNtgsuH_aL48en6--LLbPXt83IxX81MSUieUcqUoMRCaRQvbcMEp5pr7SiuqCB1aawyTmNLK8WdpUw4Z5kxrC4pq7FlF8Xy4LVBbeUQfafirQzKy30hxI1UMXvTgtTEaUMaKwC7smK1aghoi7W13HFHd64PB9cw6g6sgX6aqD2RnnZ6_1Nuwm_JhWgaRifBmwdBDL9GSFl2PhloW9VDGJOkdSkq3oiaT-jr_9BtGGM_fdWewoRjJiZqdqBMDClFcMfHECx3wZEnwZn4V48nONL_YsLuAUWLwTM</recordid><startdate>20220328</startdate><enddate>20220328</enddate><creator>Arendse, Washiela</creator><creator>Jideani, Victoria</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7QR</scope><scope>7T7</scope><scope>7X2</scope><scope>8FD</scope><scope>8FE</scope><scope>8FH</scope><scope>8FK</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BHPHI</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FR3</scope><scope>HCIFZ</scope><scope>M0K</scope><scope>P64</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>7X8</scope><scope>5PM</scope><scope>DOA</scope><orcidid>https://orcid.org/0000-0002-4550-6334</orcidid></search><sort><creationdate>20220328</creationdate><title>Storage Stability and Consumer Acceptability of Dried Apple: Impact of Citric Acid, Potassium Sorbate and Moringa oleifera Leaf Extract Powder</title><author>Arendse, Washiela ; 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subjects	Acceptability Acidity apple Apples browning Citric acid Color Consumers Dipping dried E coli Food Food science Fruits Leaves Microorganisms Moisture effects Moringa oleifera Oxidation Physical tests Plant extracts Potassium Potassium sorbate Powder Product development Sensory perception Shelf life Storage stability Texture Water activity Yeast Yeasts
title	Storage Stability and Consumer Acceptability of Dried Apple: Impact of Citric Acid, Potassium Sorbate and Moringa oleifera Leaf Extract Powder
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