This review gives, for the first time, a systematic presentation and discussion on the
chemistry and use of brazilein in foods. Processes of isolation, purification and quantification …

The development of new teaching and learning material can help students to prepare the
new 21st century relevant skills. One of the new teaching and learning materials was the …

As biomass waste, sappan wood after dye extraction was used as precursor to formulate a
new adsorbent activated carbon (AC) preparation by phosphoric acid activation. The …

Pineapple leaf fiber is an environment-friendly natural fiber that does not harm any natural
substance. To produce commercially available and attractive textile materials, pineapple leaf …

The tropical climate in Vietnam and its neighboring countries is very suitable for growing dye
plants with high coloristic value. In this chapter, important characteristics of the dye plants …

Consumer perception and market demand have driven the replacement of synthetic
colorants with naturally derived alternatives in the cosmetic industry. This study describes a …

Sappan wood (Caesalpinia sappan L.) contains a chromophore component of Brazilein
which can give red color when dissolved in water. The aim of the study was to see the effect …

Natural dyes are very interesting to study lately, especially to produce them in powder form
and see the stability of color and the energy needed. This study discusses the energy …

One of the most important element in human life is oxygen. To produce good quality of
oxygen, a purification process is needed. Pressure Swing Adsorption with the adsobent of …

One of the oxygen generators is a Pressure Swing Adsorption (PSA) machine which is
intended as a central oxygen-producing source on a smaller scale by a concentrator …