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Exploring the potential of calcium-fortified sweet potato noodles for osteoporosis prevention: Insights from in vivo rat studies Ambarwati , Karsi; Giriwono, Puspo E.; Handharyani, Ekowati; Yasni, Sedarnawati
Narra J Vol. 5 No. 1 (2025): April 2025
Publisher : Narra Sains Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52225/narra.v5i1.1075

Abstract

Calcium (Ca) deficiency is a primary contributor to osteoporosis, a condition characterized by low bone density and increased fracture risk. Fortifying widely consumed foods with calcium is one approach for addressing this insufficiency. Given the popularity of noodles, adding Ca to them offers a promising approach to enhancing Ca intake within communities. The aim of this study was to investigate the effects of Ca-fortified sweet potato noodles on osteoporosis prevention. This study used 4-month-old Sprague-Dawley rats. A completely randomized design was used with four treatment groups: CS (SHAM, control diet), CO (Sham, test diet), US (OVX, control diet), and UO (OVX, test diet). Both control and test diets, which included Ca-fortified sweet potato noodles, were administered to OVX (ovariectomy-induced osteoporosis model) and SHAM (control for surgical procedure) groups for two months. At the end of the experiments, serum Ca levels were collected and analyzed for Ca and alkaline phosphatase (ALP) levels and their bones were analyzed for physical properties and bone mineral density (BMD) using X-ray analysis. Data were analyzed using one-way analysis of variance (ANOVA) followed by Duncan as a post hoc test. The intervention of Ca-fortified sweet potato noodles for two months significantly increased serum Ca levels and reduced ALP levels compared to controls, both in SHAM (Ca: 38.03±0.877 mg/dL; ALP: 355±38.0 IU/L) and OVX (Ca: 36.18±2.810 mg/dL; ALP: 340±5.5 IU/L) groups. The test diet maintained the ratio of bone weight to bone volume and preserved the Ca content in the rats' bones. OVX rats consuming the test diet for two months exhibited significantly higher femur bone strength than OVX rats consuming the control diet (test: 6.50±0.300 kg; control: 4.83±0.289 kg). There was no significant difference in BMD between the SHAM and OVX groups on the test diet, indicating that the test diet can maintain bone BMD despite accelerated aging. These findings suggest that Ca-fortified sweet potato noodles can serve as a dietary Ca source, contributing to the prevention of osteoporosis by maintaining serum Ca levels, preserving bone Ca content, as well as maintaining bone density and strength.
Development of Antioxidant-Rich Steamed Brownies Based on Kluwak, Purple Sweet Potato, and Yellow Kepok Banana Sari, Ruly Novita; Yasni, Sedarnawati; Suyatma, Nugraha Edhi
Eduvest - Journal of Universal Studies Vol. 5 No. 7 (2025): Eduvest - Journal of Universal Studies
Publisher : Green Publisher Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.59188/eduvest.v5i7.50851

Abstract

The objective of this study was to produce steamed brownies with antioxidant content using local ingredients, specifically kluwak seed powder, purple sweet potato pastes, and banana paste, which offer health benefits. The research stages include product development, treatment response determination through antioxidant capacity analysis (DPPH method), hedonic rating, and texture analysis. Determination of the optimum formulation was conducted using Design Expert 13 software. The optimum formulation was achieved with the use of 4.5% kluwak seed powder and 27.5% purple sweet potato paste from the total ingredients. Antioxidant capacity of the steamed brownies possess high antioxidant activity, but it decreased from the pre-digestion phase to the gastric and intestinal phase. This study indicated that the steamed brownies can be utilized as a functional food product with health benefits.