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All Journal Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Jurnal Farmanesia
Rizki, Rahmad
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Medicine & Pharmacology Social Sciences

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PENGARUH KUALITAS PRODUK DAN HARGA TERHADAP MINAT BELI KONSUMEN PRODUK KOSMETIK WARDAH (Studi Kasus Konsumen Matahari Department Store Mall Ska Pekanbaru) Rizki, Rahmad; Karneli, Okta
Jurnal Online Mahasiswa (JOM) Bidang Ilmu Sosial dan Ilmu Politik Vol. 5: Edisi I Januari - Juni 2018
Publisher : Fakultas Ilmu Sosial dan Ilmu Politik Universitas Riau

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Abstract

This study aims to determine the effect of product quality and price on consumer buying (consumer case study Matahari Department Store Mall Ska Pekanbaru). Product Quality as variable (X1), Price as variable (X2) and Consumer buying interest as variable (Y).               The method in this research is quantitative with SPSS program, where the sample used is Matahari Department Store Mall Ska Pekanbaru that is as much as 99 respondents. In accordance with opinion (Roscoe, 2009) that the appropriate size in the study is 30 to 500. That number can already represent the population. Technique of collecting data through questionnaire. The results of analysis using the validity test, test reliability, test determination, simple linear regression test, multiple linear regression test, t test and F test.               The results showed that product quality partially influence consumer buying interest, price partially influence consumer buying interest, so product quality and price simultaneously have a positive effect on consumer buying  Matahari Department Store Mall Ska Pekanbaru. Keywords: Product Quality Price and Consumer Buying
PENETAPAN KADAR MINERAL KALSIUM DAN MAGNESIUM PADA LABU SIAM (Sechium edule (Jacq.) Swartz) MENGGUNAKAN METODE SPEKTROFOTOMETRI SERAPAN ATOM Daulay, Anny Sartika; Ridwanto, Ridwanto; Rizki, Rahmad
Jurnal Farmanesia Vol 7 No 1 (2020): Jurnal Farmanesia
Publisher : UNIVERSITAS SARI MUTIARA INDONESIA

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.51544/jf.v7i1.2762

Abstract

Siamese pumpkin (Sechium edule (Jacq.) Swartz) is a plant originating from the cucurbitaceae tribe. This plant is a vegetable that grows in the subtropics that is used as food and at the same time used in medicine. Chayote contains secondary metabolites, minerals, and vitamins. The minerals contained in chayote include potassium, calcium, magnesium, sodium, phosphorus, zinc, iron and manganese. The purpose of this study was to determine the mineral content of potassium, calcium, and magnesium from old and young chayote and to determine the difference in mineral content of young and old chayote. The sample was taken by purposive sampling from Jalan Garu 2, Harjosari II Village, Medan Amplas District, North Sumatra. The sample consisted of old chayote and young chayote. Samples were treated with a wet digestion process. The assay was carried out using atomic absorption spectrophotometry with an air-acetylene flame. Quantitative analysis of potassium, calcium and magnesium was carried out at wavelengths of 766.5 nm, 422.7 nm and 285.2 nm, respectively. The results showed that the mineral levels of potassium, calcium, and magnesium in old chayote were (11.5926 -+ 2.2124) mg/100g, (31.1145 -+ 1.8648) mg/100g, (4.0623 -+ 2.6156) mg/100g. The mineral levels of potassium, calcium and magnesium in young chayote were (16.2461 -+ 2.2547) mg/100g, (16.5038 -+ 1.9765) mg/100g, (5.7721 -+ 0.1935), respectively. mg. There is a difference between the mineral content found in old chayote and young chayote with potassium and magnesium levels in old chayote being lower than young chayote and calcium levels in old chayote being higher than young chayote.
Co-Authors Anny Sartika Daulay Okta Karneli, Okta Ridwanto Ridwanto