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All Journal Jurnal Periodic Jurusan Kimia UNP AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment)
Elinda Fithriana
Unknown Affiliation
Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Earth & Planetary Sciences Education Energy Environmental Science Materials Science & Nanotechnology

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Pengaruh Massa Biosorben Terhadap Penyerapan Ion Logam Cu(II) Oleh Ekstrak Pektin dari Kulit Buah Kedondong (Spondias dulcis) Elinda Fithriana; Trisna Kumala Sari; Indang Dewata; Desy Kurniawati; Romy Dwipa Yamesa Away
Periodic Vol 12, No 2 (2023): PERIODIC
Publisher : Departemen Kimia FMIPA UNP

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24036/periodic.v12i2.118466

Abstract

Several industrial activities such as fertilizer industry, mining, battery, electronics and machinery can cause heavy metal pollution and one of them is Cu(II) heavy metal. At high levels of metal concentrations of Cu(II) will be very dangerous for the environment and living things, so it is necessary to find a solution to overcome the problem of metal pollution of Cu(II) is. One method that can be used is the biosorption method. In this study, pectin extract from kedondong fruit peel was used as a biosorbent. This research was conducted to determine the optimum mass of biosorbent in the biosorption process. Then the pectin characterization was carried out the Fourier Transform Infra Red instrument, then the absorbed Cu(II) metal content was determined using the Atomic Absorption Spectroscopy instrument. From this study, the optimum mass of biosorbent was 0.1 gram with an absorption capacity of 2,940 mg/g.
Extraction and Characterization of Pectin from Kepok Banana Peel and Its Application as a Base Material for Edible Coating on Strawberries Elinda Fithriana; Refilda; Yefrida
AJARCDE (Asian Journal of Applied Research for Community Development and Empowerment) Vol. 9 No. 2 (2025)
Publisher : Asia Pacific Network for Sustainable Agriculture, Food and Energy (SAFE-Network)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29165/ajarcde.v9i2.654

Abstract

Strawberries are fruits rich in nutrients and bioactive compounds, but have a short shelf life due to their high respiration rate. The use of edible coatings from natural ingredients such as pectin can help extend the shelf life and maintain the quality of strawberries. This study aims to extract pectin from banana peels, characterize the pectin obtained, and apply it as a base material for edible coating for strawberries. The edible coating solution was made from kepok banana peel pectin (1%), carboxymethyl cellulose (1%), and glycerol (1%). The results of the extraction of banana peel pectin obtained an equivalent weight value of 695.76 mg, degree of esterification 71.71%, methoxyl content 7.98%, pH 2.99, antioxidant capacity 19.845 mgAA/gFW, FTIR results identify the main functional groups of pectin (C-H, O-H, and C-O-C), XRD Shows the amorphous structure of pectin. Edible coating of kepok banana peel pectin exhibits a bright colour with a tendency towards green and blue. Strawberries coated with an edible film derived from kepok banana peel pectin were monitored over a 6-day period (days 0 to 6) at room temperature (25°C). The coating effectively delayed visible decay until day 4, with cumulative weight loss reaching 33.33% by day 6. Contribution to Sustainable Development Goals (SDGs):SDG 6: Good Health and Well-beingSDG 11: Industry, Innovation, and InfrastructureSDG 13: Responsible Consumption and ProductionSDG 15: Climate Action
Co-Authors Desy Kurniawati Indang Dewata Refilda Romy Dwipa Yamesa Away Trisna Kumala Sari Yefrida