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All Journal Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) ALCHEMY Jurnal Penelitian Kimia Jurnal Pemberdayaan Masyarakat Biodiversitas Journal of Biological Diversity

Didah Nur Faridah

Faculty Of Engineering And Technology, IPB University, Bogor, Indonesia

Author-ID : 1120035

Agriculture, Biological Sciences & Forestry Biochemistry, Genetics & Molecular Biology Chemical Engineering, Chemistry & Bioengineering Chemistry Economics, Econometrics & Finance Energy Environmental Science Materials Science & Nanotechnology Social Sciences

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Articles

Pertumbuhan Jintan Hitam (Nigella sativa L.) pada Tingkat Naungan dan Pemupukan Nitrogen yang Berbeda Setiawati, Evi; Kurniawati, Ani; Widodo, Winarso Drajad; Faridah, dan Didah Nur
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 46 No. 2 (2018): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Black cumin (Nigella sativa L.) is an introduced medicinal plant therefore requires investigations to establish recommended cultivation procedure in tropical areas. Black cumin seeds contain a various bioactive compounds not only for culinary but also for medicinal purposes. This study was conducted to investigate the effect of nitrogen rates and shade levels on growth of Black cumin. The activity was carried out in Pasir Sarongge experimental station, Cianjur, West Java (1,117 masl). The research was arranged in nested design with three replications. Nitrogen rates was nested within shading levels. The shading levels consist of 0%, 25%, 50%, and 75% which resulted in light intensity of 27,800, 17,400, 11,900, and 1,600 lux respectively. The Nitrogen rates consisted 0, 60, 120, and 180 kg ha-1. The results showed that shading up to 50% did not affect plant growth and did not reduce seed production. However, shading up to 75% prolong the vegetative period, decreased leaf thickness and plant dry weight. The higher the shading level up to 50%, the higher the plant height, leaf area, number of leaves and number of flower, but not number of branche. Nitrogen fertilizer 60 kg ha-1 increased number of blooming flower and number of capsule set.

Hasil dan Kualitas Okra (Abelmoschus esculentus L. Moench.) Merah dan Okra Hijau dengan Jenis Pupuk yang Berbeda Manik, Auhge Eva Sari; Melati, Maya; Kurniawati, Ani; Faridah, dan Didah Nur
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 1 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Okra fruit contains phenolic compounds as natural antioxidant. The aim of this research was to analyze the effect of different types of fertilizers on production and quality of two okra varieties. The experiment was conducted in October 2017 to February 2018 at Bogor Agricultural University experimental field at Leuwikopo, Darmaga, Bogor (-6033’49.3”SL, 106043’30.7’’EL). The experiment used nested randomized complete block design with 2 factors and 4 replications. The first factor consisted of two okra varieties with different colour (red and green okra). The second factor was fertilizer types consisted of no fertilizer, organic (cow manure), combination of organic + inorganic, and inorganic fertilizer. The results showed that fertilizer types significantly affected plant height and fruit N content but did not affect fruit production. Red okra had a higher plant height, lower number of leaves and leaf K content than those of the green okra. The interaction effect of both factors was significant on total phenolic content in fruit and P content in leaf. The highest total phenolic content in fruit was showed by red okra with inorganic fertilizer, although it was not significantly different to those of red okra with combination organic + inorganic fertilizer, and also to green okra with organic fertilizer. The highest P content in leaf was found in red okra without fertilizer, however it was not significantly different to red okra with combination organic + inorganic fertilizer, green okra with organic fertilizer, and green okra with inorganic fertilizer.Keywords: inorganic fertilizer, leaf nutrient, organic fertilizer, phenolic compound

Keragaman Kualitas Buah pada Dua Varietas Okra (Abelmoschus esculentus L. Moench) dari Umur Panen Berbeda Aplugi, Dewie Maria Agustien; Melati, Maya; Kurniawati, Ani; Faridah, dan Didah Nur
Jurnal Agronomi Indonesia (Indonesian Journal of Agronomy) Vol. 47 No. 2 (2019): Jurnal Agronomi Indonesia
Publisher : Indonesia Society of Agronomy (PERAGI) and Department of Agronomy and Horticulture, Faculty of Agriculture, IPB University, Bogor, Indonesia

Okra (Abelmoschus esculentus L. Moench) is a functional vegetables that has high economic value and it is usedas health purposes due to high bioactive compounds and dietary fiber contents. Okra pod is gradually harvested followsflowering time. The purpose of this study was to evaluate the effect of harvest age on Nitrogen (N), Phosphorus (P), Potassium(K), pigment and phenolic contents of two okra varities. The experiment was conducted from October 2017 to February 2018at IPB experimental station in Leuwikopo, Dramaga, Bogor. The experimental field is located at ± 185 m asl with 6033’49.3”S and 106043’30.7” E. The experiment used single factor, namely harvest time, in randomized complete block nested in factorof okra variety with 4 replicates. The varieties of okra were Zahira (red okra) and Naila (green okra), while harvest agesconsisted of 5, 7, 9, and 11 days after the anthesis (DAA). The results of the study showed significant effect of harvest age onN, P, anthocyanin and phenolic contents. Okra pod harvested at 5 DAA, had the highest N, P and anthocyanin levels; whilethe highest phenolic level was obtained from okra pod harvested at 7 DAA. There were interactions effect between harvesttime and okra varieties on chlorophyll and carotenoid contents. The red okra harvested at 5 DAA had the highest content oftotal chlorophyll (536.83 μg g-1) and carotenoid (147.79 μg g-1).

Identifikasi Komponen Aktif Jahe Merah (Zingiber officinale Roscoe var. Rubrum) sebagai Sumber Antioksidan dengan Pendekatan Metabolomik Berbasis HPLC Diny Agustini Sandrasari; Nuri Andarwulan; Didah Nur Faridah; Fitriya Nur Annisa Dewi
ALCHEMY Jurnal Penelitian Kimia Vol 19, No 1 (2023): March
Publisher : UNIVERSITAS SEBELAS MARET (UNS)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20961/alchemy.19.1.64737.32-43

Jahe merah (Zingiber officinale Roscoe var. Rubrum) merupakan tanaman rempah yang sering digunakan untuk pengobatan tradisional. Penelitian tentang senyawa bioaktif jahe merah telah banyak diteliti, namun penelitian untuk mengidentifikasi senyawa bioaktif sebagai sumber antioksidan menggunakan pendekatan metabolomik berbasis HPLC belum dilakukan. Tujuan dari penelitian ini adalah untuk mengidentifikasi komponen bioaktif jahe merah sebagai antioksidan dengan pendekatan metabolomik. Profil senyawa kimia dari ekstrak dan fraksi (heksana, kloroform, etil asetat, dan air) dianalisis menggunakan High Performance Liquid Chromatography (HPLC) yang dilanjutkan dengan analisis metabolomik Orthogonal Projection to Latent Structure (OPLS). Hasil uji metabolomik OPLS diperoleh fraksi etil asetat sebagai sampel yang paling berkontribusi terhadap aktivitas antioksidan. Sampel ini kemudian diidentifikasi menggunakan UHPLC-MS/MS dan diketahui bahwa komponen bioaktif atau specific marker pada jahe merah adalah senyawa [6]-gingerol. Kandungan senyawa [6]-gingerol merupakan senyawa yang paling dominan diikuti oleh 8-gingerol dan 10-gingerol dengan nilai masing-masing secara berurutan adalah 88,61±0,52; 23,59±0,41; dan 21,85±0,63 mg/g ekstrak.Identification of Active Components of Red Ginger (Zingiber officinale Roscoe var. Rubrum) as a Source of Antioxidants with HPLC-Based Metabolomics Approach. Red ginger (Zingiber officinale Roscoe var. Rubrum) is a rhizome used as a traditional medicine. Research on red ginger bioactive compounds has been widely studied but research to identify bioactive compound as source of antioxidant using HPLC-based metabolomic approaches has not been carried out. This study aims to identify the active compound of red ginger as an antioxidant with a metabolomic approach. Chemical profiles of the extracts and fractions (hexane, chloroform, ethyl acetate, and water) were analyzed using High Performance Liquid Chromatography (HPLC), followed by Orthogonal Projection to Latent Structure (OPLS) metabolomic analysis. The results of the OPLS metabolomic analysis showed that the ethyl acetate fraction is the sample that contributed the most to antioxidant activity. This sample was then identified using UHPLC-MS/MS showing that the bioactive component or specific marker in red ginger was [6]-gingerol. The [6]-gingerol content was the most dominant component, followed by [8]-gingerol and [10]-gingerol with values respectively 88.61±0.52, 23.59±0.41, and 21.85±0.63 mg/g extract.

Morphological characters, phenolic and flavonoid contents of Vitex trifolia accessions from Lamongan District, Indonesia AFIFATUN NISA; ANI KURNIAWATI; DIDAH NUR FARIDAH
Biodiversitas Journal of Biological Diversity Vol. 24 No. 3 (2023)
Publisher : Society for Indonesian Biodiversity

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.13057/biodiv/d240336

Abstract. Nisa A, Kurniawati A, Faridah DN. 2023. Morphological characters, phenolic and flavonoid contents of Vitex trifolia accessions from LamonganDistrict, Indonesia. Biodiversitas 24: 1635-1641. Indonesia is a country with high biodiversity. Legundi (Vitex trifolia L.) is one of the plant species that has long been used as a raw material for traditional herbal medicine. This study aims to determine the morphological, agronomic, leaf production, and total phenolic and total flavonoid content of the V. trifolia accession from Lamongan District, East Java, Indonesia. Morphological and agronomic characterizations were observed using qualitative and quantitative parameters. The colorimetric method determined the total phenolic and flavonoid content in V. trifolia extract. The results showed differences in morphological and agronomic characters between accessions. The Bluluk accession had the highest leaf production that did not differ from the Pucuk, Sekaran, and Kedumpring accessions, while the Modo accession had the lowest. There was no difference in total phenol and flavonoid content between accessions. Leaves had the highest total phenolic content (3210.57 GAE mg/100 g dry powder), followed by twigs (1331.98 GAE mg/100 g dry powder) and fruit (973.77 GAE mg/100 g dry powder). Leave also contained the highest flavonoid content (1792.90 QE mg/100 g dry powder).The highest phenolic and flavonoid content in the leaves of V. trifoliamay support its use in traditional medicine.

A Holistic Approach to Empower Micro Food Enterprises through Halal, Healthy, and Digital Practices Illah Sailah; Khaswar Syamsu; Ahmad Faroby Falatehan; Mulyorini Rahayuningsih; Didah Nur Faridah; Sugiarto Sugiarto

Publisher :

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.46843/jpm.v5i3.770

Following the COVID-19 pandemic, the Pasar OnlinePakcycommunity in thePakuanRegency residential area expanded significantly; however, home-based online food production has largely operated without adequate oversight and limited knowledge of halal compliance, food safety, and hygienic processing. These conditions highlighted the need for holistic training and mentoring to improve product quality, halal literacy, and digital marketing professionalism among local micro food enterprises. This community empowerment program aimed to strengthen microenterprises through integrated training on halal ingredients, healthy food processing, appropriate packaging, and digital marketing. The program involved 40 participants and applied a holistic approach combining lectures, hands-on practice, and post-training mentoring. Knowledge gains were measured using pre- and post-tests, while short-term impacts were assessed through a follow-up survey conducted two months after training and observation of participants' activities in the community's WhatsApp group as a marketing platform. Results showed an increase in knowledge. Survey findings indicated high perceived usefulness, increased self-confidence, and improved understanding of halal principles. Observations revealed better promotional images, clearer pricing, and more effective communication. Overall, integrated training supported by digital community platforms enhanced knowledge and marketing practices, contributing to more competitive, halal, and sustainable micro food businesses.

Co-Authors A. Faroby Falatehan AFIFATUN NISA Ani Kurniawati Aplugi, Dewie Maria Agustien Diny Agustini Sandrasari Evi Setiawati Fitriya Nur Annisa Dewi Illah Sailah Khaswar Syamsu Manik, Auhge Eva Sari Maya Melati Mulyorini Rahayuningsih Nuri Andarwulan Sugiarto Sugiarto Winarso D. Widodo

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