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All Journal Jurnal Jamu Indonesia Aksis : Jurnal Pendidikan Bahasa dan Sastra Indonesia
Eka Budiarti
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Agriculture, Biological Sciences & Forestry Humanities Education Languange, Linguistic, Communication & Media Other

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Potensi Beberapa Ekstrak Tumbuhan Asteraceae sebagai Antioksidan dan Antiglikasi Eka Budiarti; Irmanida Batubara; Auliya Ilmiawati
Jurnal Jamu Indonesia Vol. 4 No. 3 (2019): Jurnal Jamu Indonesia
Publisher : Tropical Biopharmaca Research Center, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (1282.474 KB) | DOI: 10.29244/jji.v4i3.161

Abstract

Tumbuhan Asteraceae dilaporkan mengandung metabolit sekunder tinggi yang aktif sebagai antioksidan. Senyawa antioksidan juga digunakan untuk mencegah penuaan/reaksi glikasi. Penelitian ini bertujuan menentukan aktivitas antioksidan dan antiglikasi 7 tumbuhan Asteraceae. Daun Adenostema lavenia, Ageratum conyzoides, Dichrocephala integrifolia, Galinsoga parvifolia, Synedrella nodiflora, Mikania micrantha, dan Sphagneticola trilobata masing-masing diekstraksi menggunakan air. Ekstrak kemudian ditentukan kandungan total fenol, flavonoid, dan aktivitas antioksidan menggunakan metode 1,1-difenil-2-pikrilhidrazil (DPPH) dan 2,2’-azino-bis(3 ethylbenzothiazoline-6-sulfonic acid (ABTS), serta aktivitas antiglikasi. Ekstrak dengan kadar total fenolik dan flavonoid tertinggi adalah ekstrak M. micrantha. Ekstrak A. lavenia memiliki aktivitas antioksidan terhadap DPPH tertinggi dengan nilai IC50 sebesar 121,82 μg/mL dan A. conyzoides tertinggi terhadap ABTS dengan kapasitas sebesar 4,51 mg trolox ekivalen (TE)/g ekstrak. Aktivitas antiglikasi tertinggi pada ekstrak G. parvifolia sebesar 90,67% yang tidak berbeda nyata dengan ekstrak A. lavenia (87,87%) dan S. trilobata (87,38%). Secara keseluruhan ekstrak A. lavenia dan S. trilobata baik dikembangkan sebagai antioksidan dan antiglikasi.
Analysis of Expressive Speech Acts on the 2017 IPSE YouTube Channel about Panel Discussion of Language Education Course Papers Indonesia IPSE students 2017 Sri Nani Herawati; Fahda Kurnia Palupy; Eka Budiarti; Faiza Munira; Asep Purwo Yudi Utomo
Aksis : Jurnal Pendidikan Bahasa dan Sastra Indonesia Vol. 6 No. 2 (2022): AKSIS: Jurnal Pendidikan Bahasa dan Sastra Indonesia
Publisher : LPPM State University of Jakarta (Program Studi Pendidikan Bahasa dan Sastra Indonesia dan LPPM Universitas Negeri Jakarta)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.21009/AKSIS.060203

Abstract

Speech acts are illocutionary acts that function to express an assessment of the circumstances specified in the illocutionary, for example saying thank you, expressing condolences, and so on. The research objectives to be achieved in this study are: (1) to reveal the types of expressive speech acts contained in the YouTube channel IPSE (International Program on Science Education) 2017 regarding Panel Discussion of Language Education Course Papers, (2) to Identify forms of speech acts in learn Language Education Course Paper Panel. This research is a descriptive study that in the end tries to describe the speech spoken by the object, which is in accordance with the actual picture. In this study, the method used is the referential method. The listening method was used in this study because the data or object used is in the form of spoken language. there are 59 expressive speeches in 7 videos on the YouTube channel IPSE (International Program on Science Education) 2017 regarding the Panel Discussion of Language Education Course Papers. Among them are asking for 7 as many utterances, apologizing as much as 38 38, and criticizing as many as 14 utterances. This research is expected to provide benefits to readers or the public in the form of increasing understanding of expressive speech acts.
Co-Authors Asep Purwo Yudi Utomo Auliya Ilmiawati Fahda Kurnia Palupy Faiza Munira Irmanida Batubara Sri Nani Herawati