期刊
FOODS
卷 11, 期 2, 页码 -出版社
MDPI
DOI: 10.3390/foods11020182
关键词
curcumin; hydrogel beads; encapsulation efficiency; in vitro release; fortification; functional Kulfi; sensory evaluation
资金
- Agricultural Education Division, Indian Council of Agricultural Research, New Delhi, India
Curcumin, a bioactive ingredient with low bioavailability, was encapsulated in calcium-alginate to enhance solubility and release behavior. CHBs fortified in Kulfi showed no significant difference in color and melting rate compared to the control. The sensory score for overall acceptability was higher in CHBs fortified Kulfi. These findings suggest the feasibility of using CHBs to improve the bioavailability of curcumin and Kulfi as a suitable dairy delivery system.
Curcumin has been demonstrated to have biological activities and its fortification in food products is an important strategy to deliver bioactive ingredients at target sites. However, studies have documented a curcumin low bioavailability and low intake. Hence, combining functional ingredients with food should be needed to prevent widespread nutrient intake shortfalls and associated deficiencies. Thus, curcumin was encapsulated in calcium-alginate and their characteristics as well as in vitro release behavior of curcumin hydrogel beads (CHBs) was studied. Moreover, CHBs were fortified in development of functional Kulfi and their quality characteristics were studied. The encapsulation efficiency was up to 95.04%, indicating that most of the curcumin was entrapped. FTIR shifts in the bands were due to the replacement of sodium ions to the calcium ions. In vitro release (%) for CHBs was found to be 67.15% after 2 h, which increased slightly up to 67.88% after 4 h. The average swelling index of CHBs was found to be 10.21 to 37.92 from 2 to 12 h in PBS (pH 7.40). Control and Kulfi fortified with CHBs showed no significant difference (p > 0.05) in colour (L = 73.03 and 75.88) and the melting rate (0.88 mL/min and 0.63 mL/min), respectively. Standard plate count was reduced in the Kulfi fortified with CHBs (13.77 x 10(4) CFU/mL) with high sensory score for overall acceptability (8.56) compared to the control (154.70 x 10(4) CFU/mL). These findings suggested the feasibility of developing CHBs to mask the bitterness, enhance the solubility, and increase the bioavailability in gastrointestinal conditions. Additionally, Kulfi could be a suitable dairy delivery system for curcumin bioactive compounds.
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