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Title of article :
Sonication improves kasturi lime (Citrus microcarpa) juice quality
Author/Authors :
Bhat، نويسنده , , Rajeev and Kamaruddin، نويسنده , , Nor Shuaidda Bt Che and Min-Tze، نويسنده , , Liong and Karim، نويسنده , , A.A.، نويسنده ,
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Abstract :
Freshly squeezed kasturi lime fruit juice was sonicated (for 0, 30 and 60 min at 20 °C, 25 kHz frequency) to evaluate its impact on selected physico-chemical and antioxidant properties, such as pH, °Brix, titratable acidity, Hunter color values (L∗, a∗, b∗), ascorbic acid, DPPH radical scavenging activity, total phenolics, antioxidant capacity, flavonoids and flavonols. Additionally, the effect of sonication treatments on the microbial load (TPC, yeast and mold) were also evaluated. Sonication of juice samples for 60 min showed enhancement in most of the bioactive compounds compared to samples treated for 30 min and control samples (untreated). Significant reductions in the microbial load corresponding to sonication time were also recorded. Results of the present study indicate that sonication may be employed as a suitable technique for kasturi lime juice processing, where antioxidant and other bioactive compound retention or enhancement is desired, along with the achievement of safety and quality standards.
Keywords :
Kasturi lime juice , sonication , Microorganisms , antioxidants , Color
Journal title :
Astroparticle Physics
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