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All Journal Journal of Tropical AgriFood
Laurentsia Tabitha Herlia
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Agriculture, Biological Sciences & Forestry

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Effect of calcium chloride concentration on improving the quality of restructurized strawberry fruit (Fragaria x ananassa) Lydia Ninan Lestario; Laurentsia Tabitha Herlia; Monika Raharjo
Journal of Tropical AgriFood Vol 8 (2026): Special Issue 1, The 3rd International Conference on Food Technology and Nutrition (IC
Publisher : Jurusan Teknologi Hasil Pertanian Universitas Mulawarman

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35941/jtaf.8.5.2026.26707.1-6

Abstract

Strawberry is a very popular fruit due to their bright red color and aroma. sweet and slightly sour taste and nutritional value, especially vitamin C. Strawberries also contain anthocyanins, a reddish-purple pigment with high antioxidant activity. Nevertheless, they have a relatively short shelf life and are easily damaged because of their soft texture. They are usually processed into jam and other products that use high temperatures, which can damage nutritional compounds, including anthocyanins. Restructuring is an alternative method that can be used to extend the shelf life of strawberries without heat, thereby avoiding damage to the nutritional value and antioxidant activity. This study aimed to determine the effect of various Alginate and CaClâ‚‚ concentrations (0, 0.1, 0.2, 0.3, 0.4, and 0.5%) on the quality of restructurized strawberries. The anthocyanin content was determined using the pH differential method; the texture was determined using a simple test to distinguish differences between treatments; the organoleptic test used hedonic methods with 30 panelists; and the shelf life tests were used to keep the real product until the quality decreased. Preliminary experiments showed that 2% alginate was optimal. The second step showed that 0.4% CaClâ‚‚ was optimal.
Co-Authors Lydia Ninan Lestario Monika Raharjo