Journal
LWT-FOOD SCIENCE AND TECHNOLOGY
Volume 100, Issue -, Pages 444-449Publisher
ELSEVIER
DOI: 10.1016/j.lwt.2018.10.049
Keywords
Blackcurrant; Candy; Qualitative sensory test; Texture; Antioxidant activity
Categories
Funding
- Universidad de Buenos Aires, Argentina [UBACYT20020150100188BA]
- National Agency for the Promotion of Scientific and Technical Research ANPCYT, Argentina [PICT-2014-2250]
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The objective of this work was to develop lyophilized berry candies in order to offer a healthy alternative to traditional candies. Two formulations were developed based on blackcurrants, yoghurt and different sweeteners: honey/isomalt (F1, oriented to children); and isomalt/stevia (F2, oriented to adults). Fl showed higher water content and aw values than F2; Fl: 2.93 +/- 0.19 (g H2O/100g sample) and a(w) 0.36 0.06; F2: 1.79 +/- 0.16g H2O/100g sample and a(w) 0.27 +/- 0.06. Both formulations presented a pink color (F1: a* = 23.06 +/- 3.18, b* = 4.35 +/- 1.07; F2: a* = 35.42 +/- 2.08, b* = 1.14 +/- 0.88), however F2 lightness (41.03 +/- 1.37) was much higher than that of Fl (15.31 +/- 2.42). According to a qualitative sensory test, about 80% of the consumers described good attributes of the candies. A quantitative sensory test was used to describe textural attributes. The panel members identified texture changes along storage, mainly a decrease of hardness and crunchiness. The antioxidant activity input of both formulations was similar to that of kiwifruit and apple (F1: 4.53 +/- 0.59 and F2: 4.24 +/- 0.29 mmol Trolox/Kg), which is a positive feature, given that usually candies have reduced or null input of bioactive compounds.
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