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Consumer acceptance and physicochemical quality of osmodehydrated carambola ( Averrhoa carambola L.) slices
Author(s) -
Maharaj Lauren K.,
Badrie Neela
Publication year - 2006
Publication title -
international journal of consumer studies
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.775
H-Index - 71
eISSN - 1470-6431
pISSN - 1470-6423
DOI - 10.1111/j.1470-6431.2005.00428.x
Subject(s) - averrhoa carambola , sucrose , chemistry , brix , flavour , food science , sugar
Consumer acceptability and physicochemical properties of candied osmodehydrated (OD) carambola were evaluated in an effort to increase consumption of the fruit. Fresh carambola slices ( Averrhoa carambola L.) were soaked in either 15% or 20% or 25% NaCl brine for 18 h, then in 40 °Brix sucrose for 18 h, followed by 60 °Brix sucrose for 18 h and dried at 55°C for 18 h. Slices soaked in 15% NaCl were most preferred by a focus group. Decreases in pH, total soluble solids (TSS) and increase in salinity were recorded in sucrose solutions after soaking carambola. During osmosis, carambola became less green and more orange‐yellow ( P < 0.05). The pH of candied OD products varied between 3.62 and 4.16, salinity 16–28 ppt, TSS of 67–70 °Brix and 18.8–20.8% moisture. There were no differences ( P > 0.05) in flavour or texture for products brined in 15% NaCl and soaked in either refined white sucrose (RS) solutions or brown unrefined sucrose (URS) syrups, but differences ( P < 0.05) in appearance, colour and overall acceptability. Candied RS carambola had higher ( P < 0.05) overall acceptability (6.2 – liked slightly to moderately) to products from URS (5.6 – neither liked nor disliked to liked slightly), which was also supported by paired preference testing. Flavour was most liked ( P < 0.05) of all sensory attributes.