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All Journal Jurnal Kimia Riset Journal of Science and Social Development
Afnani, Fawait
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Humanities Chemical Engineering, Chemistry & Bioengineering Chemistry Computer Science & IT Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Languange, Linguistic, Communication & Media

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DETERMINATION OF VITAMIN C CONTENT IN BELL PEPPER (Capsicum annuum L.) WITH DIFFERENT PROTIC POLAR SOLVENT BY UV-VIS SPECTROSCOPY Afnani, Fawait; Yanti, Jamilah Hamidi; Pratiwi, Wiwit Sri Werdi
Jurnal Kimia Riset Vol. 8 No. 2 (2023): December
Publisher : Universitas Airlangga, Campus C Mulyorejo, Surabaya, Indonesia

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.20473/jkr.v8i2.44865

Abstract

Bell pepper can be an antioxidant and has many health benefits because of the high content of vitamin C. Vitamin C contents in yellow and orange bell peppers were extracted using different protic polar solvents and analyzed using the UV-Vis Spectrophotometry method. In this research, the bell peppers were extracted using the maceration technique for two days in 90% concentration of solvents (methanol and ethanol, respectively). Subsequently, the maximum wavelength was determined, and then 100 ppm ascorbic acid was used as a standard solution to analyze vitamin C content. Linearity based on a calibration curve is used to obtain the correlation coefficient of concentration between the standard solution and vitamin C levels in the sample. The result of UV-Vis spectroscopy analysis of this sample shows 373.5 nm of λmax. The linearity is shown in the equation y = 0.0006 x + 0.019. The vitamin C content in all samples had significant differences based on randomized complete block design (RCBD) test result with α = 0.05. The vitamin C level in the yellow pepper sample with an ethanol solvent (340 mg/100 g) was higher than that of the orange pepper sample with ethanol (251 mg/100 g). Meanwhile, the vitamin C content in the sample of yellow peppers with methanol solvent (562.5 mg/100 g) was smaller than that of orange peppers with methanol solvent (757.5 mg/100 g). These contents indicated a different result in the level sources of vitamin C, even if the maceration process used a solvent with a higher dielectric constant.
Edukasi Produk Jajanan yang Dapat Merusak Gigi pada Anak Usia Sekolah di SD Islam Kreatif The Naff Kediri Lukis, Prima Agusti; Hariyani; Fitria, Faizatul; Gustina, Mara; Afnani, Fawait
Journal of Science and Social Development Vol. 7 No. 2 (2024): Journal of Science and Social Development
Publisher : Universitas Nahdlatul Ulama Sidoarjo

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.55732/jssd.v7i2.1524

Abstract

Consumption of sugary, acidic, and refined carbohydrate-rich foods and drinks is a major cause of tooth decay, increasing dental caries among children. This community service program aims to raise awareness, especially among school-aged kids, about the dangers of such snacks. Through an educational approach, leaflets about harmful snacks like candy, soda, and other sugary treats were distributed. Pre- and post-intervention questionnaires measured participants' understanding. Initially, most children were unaware of the dental health risks of sugary snacks. After the intervention, knowledge about toothdecay-causing snacks increased by 95%, alongside a better grasp of healthy habits to maintain dental health. Early education on proper food choices and dental care can reduce dental caries prevalence among children. This program successfully boosted dental health awareness in the elementary school environment.
Co-Authors Faizatul Fitria Gustina, Mara Hariyani Wiwit Sri Werdi Pratiwi, Wiwit Sri Werdi Yanti, Jamilah Hamidi