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All Journal Devotion: Journal of Research and Community Service Studi Ilmu Manajemen dan Organisasi Karimah Tauhid
Rialdi, Azzahra Putri
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Economics, Econometrics & Finance Education Law, Crime, Criminology & Criminal Justice Neuroscience Social Sciences

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Effect of Different Solvent on The Antioxidant Capacity of Bidara Leaves Extract (Ziziphus Spina-Christi) Rialdi, Azzahra Putri; Prangdimurti, Endang; Saraswati, Saraswati
Devotion : Journal of Research and Community Service Vol. 4 No. 6 (2023): Devotion: Journal of Research and Community Service
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/devotion.v4i6.483

Abstract

Bidara leaves (Ziziphus spina-christi) contains secondary metabolites such as flavonoids, polyphenols, saponins, triterpenoids and tannins which can be a source of antioxidants. In Indonesia, bidara leaves are used as herbal medicine by boiling fresh leaves. The products that developed from bidara leaves are health supplements and herbal teas from bidara leaves, but scientific studies about the antioxidant compounds of bidara leaves are still limited. There are antioxidant components that are non-polar, semi-polar or polar. This study examines the polarity of antioxidant compounds in bidara leaves. In this study, bidara leaves dried with a fluidized bed dryer had better chemical and physical characteristics. The results of the extraction by using various solvents (water, ethanol, ethyl acetate, and hexane) with maceration method showed that the highest antioxidant capacity was in the ethanol fraction (p<0.05). These results were measured based on the antioxidant activity parameters that DPPH scavenging, FRAP values, total phenolic, and total flavonoids. These results indicate that most of antioxidant compounds in bidara leaves have high polarity.
Analisis Faktor Penentu Keberhasilan Pengembangan Produk Baru Liquid Organic Biofertilizer di PT XYZ Nazhirah, Afra; Shafira, Nabilla; Rialdi, Azzahra Putri; Novia, Siti Arita; Wulandari, Nindya
Studi Ilmu Manajemen dan Organisasi Vol. 6 No. 3 (2025): Oktober
Publisher : Penerbit Goodwood

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.35912/simo.v6i3.4913

Abstract

Purpose: The increasingly competitive fertilizer industry requires companies to pursue continuous product innovation. This study aims to evaluate the influence of product characteristics, sales promotion, and corporate reputation on the success of new product development (NPD) for Liquid Organic Biofertilizer (LOB) at PT XYZ. Methodology/approach: This study employed a quantitative approach using quota sampling involving 48 respondents who are consumers of the LOB product. Data were collected via questionnaires and analyzed using multiple linear regression analysis. Results/findings: The findings indicate that, simultaneously, product characteristics, sales promotion, and corporate reputation significantly affect NPD success. However, partially, only product characteristics have a positive and significant influence. Sales promotion and corporate reputation do not significantly impact NPD success. Limitations: The study's limitation lies in the sample size, which only includes 48 respondents and focuses on one company and one product type, limiting generalizability. Contribution: This study contributes to marketing and product development disciplines by highlighting the dominant role of product characteristics in NPD success in agribusiness. It offers strategic insights for business managers, especially in sustainable agriculture and organic product development.
Ulasan Kritis Artikel : Democratizing Robust SERS Nano-Sensors for Food Safety Diagnostics Sari, Kartika; Hutami, Rosy; Rialdi, Azzahra Putri; Indriati, Marlinda; Handayani, Anna Mardiana
Karimah Tauhid Vol. 3 No. 11 (2024): Karimah Tauhid
Publisher : Universitas Djuanda

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30997/karimahtauhid.v3i11.15859

Abstract

Sebuah artikel yang berjudul “Democratizing Robust SERS Nano-Sensors for Food Safety Diagnostics” melaporkan metode deteksi residu pestisida yang lebih cepat dari metode deteksi lainnya (SERS). Teknik SERS yang dilaporkan penulis berbasis pada nano-sensor yang terbentuk dari nanopartikel Ag dan nano-thin SiO2 dengan metode Flame Spray Pyrolysis (FSP). Metode ulasan yang dilakukan adalah dengan menetapkan satu artikel terpilih dan mengkritisinya. Hasil yang didapatkan dari ulasan ini adalah pada beberapa parameter pengujian, penulis tidak mencantumkan jumlah pengulangan, waktu, dan jumlah sampel yang dianalisis. Namun, penulis menyampaikan secara jelas tentang validasi metode yang digunakan menggunakan sistem alat Raman portable spectrometer. Kami menyoroti adanya data penting yang disampaikan pada supplementary data yang dapat ditampilkan dalam artikel utama. Penulis juga belum mengemukakan alasan pemilihan rhodamine 6G. Penulis belum mengemukakan alasan pemilihan jus jeruk sebagai sampel uji deteksi. Kami menilai bahwa produk SERS hasil penelitian penulis sudah dekat dengan proses aplikasi komersial. Tujuan penelitian yang dikemukakan penulis telah tercapai meskipun tidak dijelaskan secara khusus perhitungan biaya produksi substrat SERS yang dihasilkan.
Co-Authors Afra Nazhirah Anna Mardiana Handayani Endang Prangdimurti Indriati, Marlinda Kartika Sari Novia, Siti Arita Rosy Hutami SARASWATI SARASWATI Shafira, Nabilla