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All Journal Caraka Tani: Journal of Sustainable Agriculture Indonesian Food Science and TechnologyJournal
Kam, Natania
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Agriculture, Biological Sciences & Forestry

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Correlation Between Bitterness Removal And Functional Properties Of Papaya (Carica Papaya L.) Leaves Kam, Natania; Setiadi, Jacinta Fanya; Hardoko, Hardoko; Rosa, Dela
Indonesian Food Science and Technology Journal Vol. 5 No. 2 (2022): Volume 5 Number 2, July 2022 |IFSTJ|
Publisher : Department of Technology of Agricultural product (THP) Jambi University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22437/ifstj.v5i2.14800

Abstract

The mature papaya leaves are known for its medicinal properties albeit its distinctive bitter taste. In this research 3 different adsorbents; bentonite, activated attapulgite and diatomaceous earth were used to reduce the bitterness of the papaya leaves. The adsorbent treated papaya leaves were then analysed for its sensory evaluation in terms of bitterness intensity and phytochemical compounds which include phenolic, flavonoid, tannin and alkaloid compounds and also antioxidant activity. Papaya leaves treated with bentonite had the most reduced bitterness and application of heat treatment further enhance the efficacy of bitterness removal. However the removal of the bitterness also slightly affected the phytochemical compounds and their functional properties. The leaves treated with bentonite by method of boiling was found to be the most effective method in reducing bitterness, with bitterness intensity score of 0.3 out of the original 11.2, while retaining its phytochemical compound; total phenolic content of 10.699 mg GAE/g extract, total flavonoid content of 1.468 mg QE/g extract, total tannin content of 9.423 mg TAE/g extract, total alkaloid content of 1.363% while retained most of its Antioxidant IC50 of 1001.058 ppm and Antidiabetic properties of 642.231 ppm
Development of Clove (Syzygium aromaticum) and Cinnamon (Cinnamomum burmannii) Based Food Sanitizer Kam, Natania; Joanina, Mikaela; Hardoko, Hardoko; Rosa, Dela; Halim, Jeremia Manuel
Caraka Tani: Journal of Sustainable Agriculture Vol 38, No 1 (2023): April
Publisher : Universitas Sebelas Maret

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/carakatani.v38i1.61864

Abstract

Although minimally processed food contains more beneficial nutrients, it is one of the largest sources of food-borne diseases. Therefore, this research aims to develop the efficiency of food sanitizer, targeted toward fresh food products using a green chemistry approach. The cinnamon and clove were extracted using water distillation and ethanol extraction with the green technique. The extracts were characterized for antimicrobial activity and incorporated into basic food sanitizer formulation. The solution's color and stability were evaluated and the sanitizer was applied to decontaminate fresh strawberries. The total microbial load before and after the application was also compared to determine the effectiveness of the food sanitizer. Based on the results, all the extracts showed high effectiveness in inhibiting various spoilage microorganisms that exist in food produced with water distillation. The extracts also showed better ability when incorporated into a water-based sanitizer. All the developed food sanitizers can reduce the microbial load of the fresh produce by 4 log per 5 minutes of contact time. Meanwhile, the water-distilled clove extract showed the most effectiveness, decreasing microbial log by 3.93±0.07 log CFU g-1 of bacteria load and 4.37±0.14 log CFU g-1 of mold load, respectively which performed good dispersion stability for approximately 10 days of observation. This indicated that food sanitizer using water-distilled clove extract could be applied as a good alternative to chemical-based sanitizer.
Co-Authors Hardoko Hardoko Jeremia Manuel Halim Joanina, Mikaela Rosa, Dela Setiadi, Jacinta Fanya