Korea University Research and Business Foundation

Industry-Academic Cooperation Foundation, Yeungnam University

Ji Hye Kim

Kyoung Heon Kim

In Geol Choi

Sae Young Lee

Young Ah Kim

Bo Bae Kim

Eun Ji Baek

Nam Joo Kang

Eun-Ju Yun

Eun Ju Yun

Jae Hyung Lee

In Chul Jung

Bo Hoon Han

The present invention relates to a method for preparing 3,6-anhydro-L-galactose, and use thereof. More specifically, 3,6-anhydro-L-galactose, which is a monosaccharide constituting agar, is produced in a high yield through chemical and enzymatic methods, and the physiological activities thereof such as whitening, moisturizing, antioxidant, antiinflammatory activities and the like are displayed, thereby enabling industrial use thereof.

Method for preparing 3,6-anhydro-L-galactose, and use thereof

The present invention relates to a method for preparing 3,6-anhydro-L-galactose, and use thereof. More specifically, 3,6-anhydro-L-galactose, which is a monosaccharide constituting agar, is produced in a high yield through chemical and enzymatic methods, and the physiological activities thereof such as whitening, moisturizing, antioxidant, anti-inflammatory activities and the like are displayed, thereby enabling industrial use thereof.

Disclosed is a method for preparing polycrystalline aluminum oxynitride having enhanced transparency, and preparing polycrystalline aluminum oxynitride by sintering a powder mixture of AlOand AlN under atmospheric pressure, wherein the content of AlN is set to 17 to 26 mol %, a first sintering is performed at 1,575&#xb0; C. to 1,675&#xb0; C. so as to enable raw-material powders to have a relative density of 95% or higher, and a second sintering is performed so as to enable the raw-material powders to have a higher relative density.

Method for preparing polycrystalline aluminum oxynitride having enhanced transparency

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Daegu, South Korea

Ji Hye Kim