**Author details**

Irzaman Husein<sup>1</sup> \* and Renan Prasta Jenie2

\*Address all correspondence to: irzaman@apps.ipb.ac.id

1 Department of Physics, Faculty of Mathematics and Science, Bogor Agricultural University, Bogor, Indonesia

2 Department of Community Nutrition and Physics, Faculty of Human Ecology, Mathematics, and Science, Bogor Agricultural University, Bogor, Indonesia
