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All Journal Maqrizi : Journal of Economics and Islamic Economics Indonesian Journal of Pharmacology and Therapy
Utari, Dina
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Religion Economics, Econometrics & Finance Immunology & microbiology 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.
Co-Authors Agitohutomo, Muhammad Aristiani, Windi Citra Ariani Edityaningrum, Citra Laela Hayu Nurani Mochlasin, Mochlasin Widea Rossi Desvita