The influence of processing on selected physicochemical properties, antioxidant activity and sensory quality of Japanese quince (Chaenomeles japonica) fruit preserves

IF 3 3区 农林科学 Q2 FOOD SCIENCE & TECHNOLOGY
Natalia Marat, Agnieszka Narwojsz, Magdalena Polak-Śliwińska, Marzena Danowska-Oziewicz
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Abstract

The main objectives of food processing is to keep perishable food in a stable form that can be stored after the production or to make a raw material more attractive to consumers. In the present study, Japanese quince fruit has been used to produce jams, jellies and candied fruits. Fruit and preserves were analyzed for moisture content, water activity, pH value, colour parameters, total polyphenols and vitamin C contents, antioxidant activity, and only preserves for sensory quality. The processing resulted in a significantly lower content of phenolic compounds in the jams (by about 89% in both 2018 and 2019) and jellies (by about 86% in both 2018 and 2019) compared to fresh fruit. Higher vitamin C concentration (by about by about 5% and 4% in 2018 and 2019, resp.), polyphenols content (19% and 26% in 2018 and 2019, resp.) and antioxidant activity (by about 13% and 26% in 2018 and 2019, resp.) were observed for jellies than jams. A shorter time of fruits candying proved to be a better processing option in terms of total polyphenol content and antioxidant activity. Longer fruit candying time positively affected the retention of vitamin C (15.5% for fruit candied 5 days and 14.2% for fruit candied 3 days) compared to fresh fruit. The fruit processing ensured highly acceptable sensory properties of all investigated products.

Graphical Abstract

加工对木瓜果脯理化特性、抗氧化活性和感官品质的影响
食品加工的主要目的是使易腐烂的食品保持稳定的形式,以便在生产后可以储存,或者使原料对消费者更具吸引力。在本研究中,木瓜果实已被用于制作果酱、果冻和蜜饯。对水果和蜜饯的水分含量、水活度、pH值、颜色参数、总多酚和维生素C含量、抗氧化活性进行了分析,并仅对感官质量进行了分析。与新鲜水果相比,加工导致果酱(2018年和2019年分别下降约89%)和果冻(2018年和2019年分别下降约86%)中的酚类化合物含量显著降低。果冻的维生素C浓度(2018年和2019年分别提高约5%和4%)、多酚含量(2018年和2019年分别提高19%和26%)和抗氧化活性(2018年和2019年分别提高约13%和26%)均高于果酱。在总多酚含量和抗氧化活性方面,较短的水果糖化时间被证明是更好的加工选择。与新鲜水果相比,较长的水果糖化时间对维生素C的保留率有积极影响(糖化5天的水果为15.5%,糖化3天的水果为14.2%)。水果加工确保了所有被调查产品的高度可接受的感官特性。图形抽象
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来源期刊
European Food Research and Technology
European Food Research and Technology 工程技术-食品科技
CiteScore
6.60
自引率
3.00%
发文量
232
审稿时长
2.0 months
期刊介绍: The journal European Food Research and Technology publishes state-of-the-art research papers and review articles on fundamental and applied food research. The journal''s mission is the fast publication of high quality papers on front-line research, newest techniques and on developing trends in the following sections: -chemistry and biochemistry- technology and molecular biotechnology- nutritional chemistry and toxicology- analytical and sensory methodologies- food physics. Out of the scope of the journal are: - contributions which are not of international interest or do not have a substantial impact on food sciences, - submissions which comprise merely data collections, based on the use of routine analytical or bacteriological methods, - contributions reporting biological or functional effects without profound chemical and/or physical structure characterization of the compound(s) under research.
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