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All Journal Indonesian Journal of Agricultural Research
Kosasih, Sofia Winnie
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Agriculture, Biological Sciences & Forestry Economics, Econometrics & Finance Environmental Science Social Sciences Veterinary

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Papaya Peel Extract and Citric Acid Addition on the Quality of Guava Jelly Kosasih, Sofia Winnie; Karo-Karo, Terip; Romauli, Nauas Domu Marihot
Indonesian Journal of Agricultural Research Vol. 6 No. 3 (2023): InJAR, Vol. 6, No. 3, November 2023
Publisher : Talenta Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32734/injar.v6i3.11367

Abstract

The aim of this study was to determine the quality of guava jelly after the addition of papaya peel extract and citric acid. The study used a two-factor, randomized factorial design. The first factor was the addition of papaya peel extract (P): (2%;4%;6%;8%), while the second was the addition of citric acid (A): (1%;1,5%;2%;2,5%). The parameters analyzed were moisture content, ash content, total soluble solids, vitamin C content, crude fiber content, degree of acidity (pH), and total acid. According to the results, the addition of papaya peel extract had a highly significant effect on the water content, crude fiber content, degree of acidity, total acid, and had a differ significant effect on ash content and total dissolved solid. The addition of citric acid also had a highly significant effect on the total dissolved solid, the content of Vitamin C, degree of acidity, the organoleptic test of taste, and had a differ significant effect on water content and total acid. The interaction between the addition of papaya peel extract and citric acid had a highly significant effect on the degree of acidity. Guava jelly with 8% papaya peel extract and 2% citric acid had the optimum quality characteristics.
Co-Authors Romauli, Nauas Domu Marihot Terip Karo-Karo