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All Journal BIMASTER Maqrizi : Journal of Economics and Islamic Economics Indonesian Journal of Pharmacology and Therapy
Utari, Dina
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Religion Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Immunology & microbiology Mathematics Medicine & Pharmacology Social Sciences

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Revisiting The Mediating Role of Consumer Satisfaction: A Multivariate Analysis of Halal Labeling, Price, and Digital Marketing on Consumer Loyalty Among Gen Z in Indonesia Mochlasin, Mochlasin; Utari, Dina
Maqrizi: Journal of Economics and Islamic Economics Vol 5 No 1 (2025): Maqrizi : Journal of Economics and Islamic Economics
Publisher : Program Studi Ekonomi Syariah, Fakultas Ekonomi dan Bisnis Islam Institut Agama Islam Negeri Manado

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.30984/maqrizi.v5i1.1335

Abstract

This study investigates the mediating effect of consumer satisfaction on the relationship between halal labeling, price, and digital marketing, and consumer loyalty toward Hilo milk products among Generation Z consumers in Indonesia. Using a structured questionnaire and a purposive sampling approach, data were collected from 100 respondents aged 15–28 years in Salatiga, Central Java. Statistical analysis was conducted using SPSS, with reliability and validity checks, normality tests, multicollinearity analysis, and path analysis including the Sobel test to evaluate mediation. Findings indicate that while halal labeling shows no significant direct or indirect influence on consumer loyalty, both price and digital marketing significantly enhance consumer satisfaction, which in turn positively mediates their impact on loyalty. The model explains 47.7% of the variance in consumer satisfaction and 45.2% in consumer loyalty. These results provide managerial implications for halal food producers to shift focus from certification-centered marketing to consumer-centric strategies emphasizing affordability and digital engagement. This study contributes to the limited empirical literature on Muslim Gen Z consumption behavior in Southeast Asia.
Cytotoxicity of quercetin and curcumin combination against HeLa cells line Agitohutomo, Muhammad; Edityaningrum, Citra Ariani; Utari, Dina; Desvita, Widea Rossi; Aristiani, Windi; Nurani, Laela Hayu
Indonesian Journal of Pharmacology and Therapy Vol 5 No 1 (2024)
Publisher : Faculty of Medicine, Public Health, and Nursing Universitas Gadjah Mada and Indonesian Pharmacologist Association or Ikatan Farmakologi Indonesia (IKAFARI)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.22146/ijpther.11488

Abstract

Curcumin and quercetin combination are potential candidates for anticancer. Previous studies reported this combination active against several cancer cells including breast cancer, myeloid leukemia, and melanoma. However, the activity of this combination against cervical cancer has not been reported, yet. This study aimed to evaluate the cytotoxicity of the combination of curcumin and quercetin against HeLa and Vero cells. MTT assay was applied to evaluate cell growth inhibition. The inhibitory 50% concentration (IC50) of curcumin and quercetin on HeLa and Vero cells was determined and the selectivity index (SI) was then calculated. Combination index (CI) was calculated after evaluation of the cytotoxicity of the curcumin and quercetin combination at various concentration of 1 IC50, ½ IC50, and ¼ IC50. The IC50 of the curcumin against the HeLa and Vero cells were 26.57 ± 2.00 μM and 73.89 ± 12.93 μM with a SI of 2.78. Whereas the IC50 of the quercetin against the HeLa and Vero cells were 149.52 ± 21.09 μM and 1094.47 ± 15.68 μM with a SI of 7.32. The CI of combinations of curcumin and quercetin at concentrations of ¼ IC50 was 0.78 indicating a mild-moderate synergistic effect, whereas the combination at a concentration of 1 IC50 or ½ IC50, the CI value was >0.9 indicating an antagonistic effect.
Penerapan Klasifikasi Always Better Control Online Shop Moyskin.Id untuk Analisis Pengendalian Persediaan Utari, Dina; Helmi, Helmi; Yudhi, Yudhi
BIMASTER : Buletin Ilmiah Matematika, Statistika dan Terapannya Vol 14, No 6 (2025): Bimaster : Buletin Ilmiah Matematika, Statistika dan Terapannya
Publisher : FMIPA Universitas Tanjungpura

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.26418/bbimst.v14i6.103626

Abstract

Suatu usaha atau toko berupaya untuk mengoptimalkan tingkat penjualan dengan meminimalkan jumlah barang yang tidak terserap oleh pasar. Pengendalian persediaan menjadi hal penting untuk memastikan kelancaran operasional bisnis. Untuk itu, penelitian ini bertujuan untuk mengetahui klasifikasi persediaan produk dan pengendalian persediaan produk menggunakan metode Always Better Control dan Statistical Process Control pada online shop “Moyskins.id”. Penelitian diawali dengan pengumpulan data produk, kemudian dilakukan perhitungan kontribusi nilai masing-masing produk terhadap total nilai persediaan, serta pengelompokan produk ke dalam tiga kategori yaitu A, B, dan C berdasarkan persentase kumulatif nilai. Setelah itu, dilakukan analisis pengendalian persediaan menggunakan diagram kontrol untuk memantau kestabilan data persediaan dari kategori yang telah diklasifikasikan. Hasil klasifikasi ABC menunjukkan bahwa produk kelompok A terdiri dari 9 jenis (30%) dari seluruh jenis produk dengan nilai investasi sebesar Rp24.405.215 (37,93%) dari total investasi. Kelompok B terdiri dari 7 jenis (23,33%) dari seluruh jenis produk dengan nilai investasi sebesar Rp7.737.175 (12,03%) dari total investasi. Sedangkan produk yang tergolong kelompok C terdiri dari 16 jenis (46,67%) dari seluruh jenis produk dengan nilai investasi sebesar Rp32.196.500 (50,04%) dari total investasi persediaan produk online shop Moyskins.id. Kemudian pada analisis Statistical Process Control diperoleh tingkat kerusakan barang pecah sebesar 34 produk dan packaging rusak sebesar 33 produk. Kemudian diperoleh nilai rata-rata kerusakan produk (CL) sebesar 0,0142, batas kendali atas (UCL) sebesar 0,790, dan batas kendali bawah (LCL) sebesar 0,0506 = 0. Hasil dari pengolahan peta kendali P-Chart proporsi kerusakan setiap produk masih dalam batas kendali, sehingga dapat dikatakan kualitas produk sudah stabil dan terkontrol.
Co-Authors Agitohutomo, Muhammad Aristiani, Windi Citra Ariani Edityaningrum, Citra Helmi Helmi Laela Hayu Nurani Mochlasin, Mochlasin Widea Rossi Desvita Yudhi