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All Journal METAMORFOSA Journal of Biological Sciences Jurnal Pengabdian Magister Pendidikan IPA
Deglory Tunmuni
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Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Education Environmental Science Immunology & microbiology

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Aktivitas Antioksidan Ekstrak Kulit Jeruk Keprok (Citrus reticulata Blanco) So’e Sebagai Teh Tradisional Deglory Tunmuni; Ni Putu Adriani Astiti; Sang Ketut Sudirga
Metamorfosa: Journal of Biological Sciences Vol 8 No 2 (2021)
Publisher : Prodi Magister Ilmu Biologi, Fakultas MIPA, Universitas Udayana

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.24843/metamorfosa.2021.v08.i02.p11

Abstract

The Citrus So'e plant is one of the leading community plants of the people of East Nusa Tenggara (NTT). The So'e tangerine is used as a raw material in the manufacture of orange juice and the peel has not been used. This research was conducted to utilize So'e tangerine peel as a traditional tea. The parameters observed included the active compound group, antioxidant activity, the type of active compound for So'e tangerine peel and the public's perception of the traditional So'e tangerine peel tea. The research method was carried out by qualitative phytochemical tests, test for the content of flavonoids, phenolics, and tannins by spectaphotometry, antioxidant tests using the DPPH method, testing for the types of active compounds using GC-MS and organoleptic tests to determine the level of consumer preference. The results showed that So'e tangerine peel extract had active compounds, namely flavonoids, phenolics, tannins, steroids, triterpenoids and alkaloids and So'e tangerine peel extract contained flavonoids = 253.901 mg / 100g QE, phenolic = 61.6099 mg / 100g GAE, tannin = 60.0496 mg / 100g TAE which has the potential as an antioxidant with an IC50 value of 81.811 mg / L which is included in the strong antioxidant category, and has various types of active compounds, namely the nonpolar fraction contains 53 compounds and the polar fraction contains 46 compounds activity and the level of public preference for So'e tangerine peel tea was higher in refined tea than coarse tea. Keywords: Citrus reticulata, phytochemicals, DPPH, GC-MS, traditional tea.
Upaya Peningkatan Ekonomi Jemaat melalui Pelatihan Produksi Virgin Coconut Oil (VCO) di GMIT Elim Sialain, Semau, Kabupaten Kupang Naisanu, Joritha; Bunyani, Nur Aini; Jeane M Hendrik; Maya F Roman; Eka Citra Gayatri Kerihi; Abdonia W Finmeta; Deglory Tunmuni; Nardi M Leo; Anika Nabunome
Jurnal Pengabdian Magister Pendidikan IPA Vol 9 No 1 (2026): Januari - Maret 2026
Publisher : Universitas Mataram

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29303/jpmpi.v9i1.14866

Abstract

Virgin Coconut Oil (VCO) is extracted coconut oil containing medium-chain fatty acids that are believed to have many health benefits. These fatty acids are easily digested and absorbed by the intestines because their molecules are relatively small, allowing the body to directly burn them to produce energy. Furthermore, VCO contains lauric acid, which can dissolve lipid membranes in the form of viruses, thus disrupting the immune system and inactivating the virus. VCO is processed without heating, without the addition of chemicals, dyes, or preservatives, allowing it to remain as pure vegetable oil without changing the composition or characteristics of the oil. VCO has high economic value. The manufacturing process is easy. The methods used in this Community Service are Counseling, hands-on practice, and discussion. It is hoped that the use of coconuts will not only be sold as unprocessed fruit, but that coconuts will be processed into pure coconut oil or Virgin Coconut Oil and can be developed more widely through group entrepreneurship programs, thereby increasing the income of the congregation, especially in the GMIT Elim Sialain Congregation, Uitao Village, Semau District, Kupang Regency.
Co-Authors Abdonia W Finmeta Anika Nabunome Bunyani, Nur Aini Eka Citra Gayatri Kerihi Jeane M Hendrik Maya Fitriani Roman Naisanu, Joritha Nardi M Leo Ni Putu Adriani Astiti SANG KETUT SUDIRGA