Penentuan Kadar Kalsium (Ca) dalam Kulit dan Daging Buah Naga Merah (Hylocereus polyrhizus) yang Berasal dari Sidera
| Main Authors: | Miswan, Miswan, Said, Irwan, Ratman, Ratman |
|---|---|
| Format: | Article info application/pdf eJournal |
| Bahasa: | eng |
| Terbitan: |
Universitas Tadulako
, 2018
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| Subjects: | |
| Online Access: |
http://jurnal.untad.ac.id/jurnal/index.php/JAK/article/view/11909 http://jurnal.untad.ac.id/jurnal/index.php/JAK/article/view/11909/9133 |
Daftar Isi:
- This study aims to determine the calcium in peel and flesh of red dragon fruit (HylocereusPolyrhizus) Sample uses red dragon fruit aged 2 months, which is ripe on the tree. This research used the Spectrophotometric method, the analysis method based on the measurement of light absorption. Using spectro-direct as an instrument and tablet (Ca) as an indicator. From these studies, it was obtained in calcium levels: for peel was 9.21 mg/100 g and flesh red dragon fruit was 18.10 mg /100 g.