Novia Silviani
Politeknik Negeri Bandung

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Isolasi dan Ekstraksi Kelompok Senyawa Flavonoid dari Ekstrak Daun Cocor Bebek (Kalanchoe pinnata) Atikah Halimah Putri; Ria Siti Putriyana; Novia Silviani
Jurnal Kimia Fullerene Vol 4 No 2 (2019): Fullerene Journal of Chemistry
Publisher : Fakultas Matematika dan Ilmu Pengetahuan Alam

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (489.407 KB) | DOI: 10.37033/fjc.v4i2.52

Abstract

Abstract Cocor bebek plant contains secondary metabolites which are useful in the field of pharmacology. This experiment aims to isolate flavonoid compounds which are secondary metabolites in cocor bebek. The extraction method uses maceration with methanol solvents, followed by partitions using ethyl acetate solvents. Identification of flavanoid group compounds was analyzed qualitative testing using FTIR and Thin Layer Chromatography (TLC) with the mobile phase of ethyl acetate : n-hexane with a ratio of 8:2, 7:3, 5:5, 3:7, and 2:8. The experimental results obtained from 600 grams of fresh cocor bebek leaves producing 3 gram of flavonoid extract. The qualitative test gave positive results for the TLC method the presence of flavonoids in the leaves of cocor bebek on spot yellow. While the levels of flavonoids in the extract of cocor bebek are obtained 4.20 ppm. Keywords: Cocor Bebek (Kalanchoe pinnata), Extraction, Flavonoids, Thin layer chromatography
Analisis Pengukuran Kinerja Proses Manajemen Koperasi Menggunakan Indikator Balanced Scorecard Novia Silviani; Rendra Trisyanto S
Indonesian Accounting Literacy Journal Vol 2 No 2 (2022): Indonesian Accounting Literacy Journal (March 2022)
Publisher : Jurusan Akuntansi Politeknik Negeri Bandung

Show Abstract | Download Original | Original Source | Check in Google Scholar | Full PDF (308.518 KB) | DOI: 10.35313/ialj.v2i2.3096

Abstract

Koperasi Pegawai Pemerintah Kota Bandung (KPKB) implements a process management performance measurement system from a financial perspective only. This measurement is considered to have several drawbacks. The purpose of this study is to determine the performance of the Koperasi Pegawai Pemerintah Kota Bandung using a balanced scorecard. The Balanced Scorecard is a comprehensive measurement method that includes four perspectives, namely: finance, customers / members, internal business processes and learning and growth. This research was conducted by taking data during 2019. The type of research used is descriptive qualitative research with a case study approach. The results of measurements carried out at the Koperasi Pegawai Pemerintah Kota Bandung using the balanced scorecard indicator, obtained an overall score of 87.68, which is a contribution from a financial perspective score of 36.81, a member perspective 16.64, an internal business process perspective 19, and a learning and growth 15.23. The overall score of 87.68 shows that the performance of the Koperasi Pegawai Pemerintah Kota Bandung is very good.