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Upcycling Surinam cherry and spine gourd fruit waste: development of anthelmintic jelly candies using fruit extracts

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Abstract

Under-utilized fruits and vegetables are rich in nutraceuticals and have several medicinal properties. A large group of people widely consumes gummies and jelly candies, which can serve as an excellent vehicle to increase the intake of functional components. In the present study, jelly candies were developed by incorporating fruit extracts from commonly wasted segments of two under-utilized fruits (Surinam cherry and Spine gourd). Jelly candies were evaluated for their anthelmintic efficacy against Caenorhabditis elegans along with various physicochemical, microbial, colour, texture, and sensory parameters immediately after preparation, as well as during 150 days of storage at two conditions (ambient and accelerated). Ready-to-consume jelly candies (5 g) contained 0.21 g of fruit extract in Surinam cherry and 0.35 g of fruit extract in Spine gourd jelly candies. Jelly candies exhibited TSS in the range of 70.40 − 71.37°Brix, pH 2.33 to 2.84, aw 0.70–0.75, moisture 10.57–15.88%, a* value 5.33–1.27, b*value 10.66–1.28, no microbial contamination, and acceptable sensory parameters. Surinam cherry extract candy (4 mg/ml) showed a higher anthelmintic effect than Spine gourd extract candy (6.66 mg/ml) based on egg inhibition, larval death, and average adult worm paralysis time assays. These fruit extract-incorporated candies can be a novel healthier food product with anthelmintic potential, which can be an alternative to commonly used anthelmintic drugs.

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Data availability

The data supporting this study’s findings are available from the corresponding author upon reasonable request.

Abbreviations

MPE:

Mature green pulp ethanol

RPE:

Ripe peel ethanol

PC:

Plain candy

DC:

Drug candy

SCC:

Surinam cherry jelly candy

SGC:

Spine gourd jelly candy

TSS:

Total soluble solids

G:

Gram

mm:

Millimeter

N:

Newton

CFU:

Colony forming unit

YMC:

Yeast and mould count

EHA:

Egg hatch assay

LMA:

Larval mortality assay

AMA:

Adult worm mortality assay

APT:

Average paralysis time

RT:

Room temperature

RH:

Relative humidity

AS:

Accelerated storage

aw :

Water activity

DAS:

Days after storage

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Acknowledgements

RHB is indebted to UHS, Bagalkot for the doctoral program deputation at CSIR-CFTRI, Mysuru. The authors thank Dr. Arnab Mukhopadhyay for providing C. elegans for this study.

Funding

This research received no specific grant from any funding agency in the public, commercial, or not-for-profit sectors.

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Authors

Contributions

HBR conducted the experiments and wrote the draft of the manuscript. PSN conceptualized the study, planned the experiments, and finalized the draft.

Corresponding author

Correspondence to Pradeep Singh Negi.

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Rashmi, H.B., Negi, P.S. Upcycling Surinam cherry and spine gourd fruit waste: development of anthelmintic jelly candies using fruit extracts. J Food Sci Technol (2024). https://doi.org/10.1007/s13197-024-05967-5

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  • DOI: https://doi.org/10.1007/s13197-024-05967-5

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