Hyeon Gyu Lee
Hanyang University · Agricultural and Biological Sciences
이 교수의 연구실은 생체활성 물질, 특히 단백질 유도체와 천연소재를 활용한 기능성 식품 및 영양보조제 개발에 중점을 두고 있습니다. 항산화성 펩타이드의 정제 및 기능성 평가, 당질 대체물질(D-프시코스)의 혈당 조절 효과, 나노입자 기반의 안정화 기술 등 다양한 생리적 기능을 갖춘 물질의 개발과 기전 규명을 연구하고 있습니다. 특히, 식품 기반 생체활성 물질의 기능성 향상과 응용을 목표로 한 기초 및 응용 연구를 지속적으로 수행하고 있습니다.
Figures are computed from collected data and may differ slightly.
An electrophoretic method is described for determining the molecular weight distribution of hyaluronan (HA). The method involves separation of HA by electrophoresis on a 0.5% agarose gel, followed by detection of HA using the cationic dye Stains-All (3,3'-dimethyl-9-methyl-4,5,4'5'-dibenzothiacarbocyanine). The recommended sample load is 7 micrograms. Calibration of the method with HA standards of known molecular weight has established a linear relationship between electrophoretic mobility and t
Although enzymatic hydrolysates of soy protein isolate (SPI) have physiological functionality, partially hydrolyzed SPI exhibits bitter taste depending on proteases and degree of hydrolysis (DH). To determine proteolysis conditions for SPI, it is important to evaluate bitterness during enzymatic hydrolysis. Taste dilution analysis (TDA) has been developed for the screening technique of taste-active compounds in foods. The objectives of the present study were to evaluate bitterness of enzyme-hydr
ABSTRACT Soy protein hydrolysates (SPH) were obtained by Alcalase hydrolysis of soy protein. Antioxidant activity of SPH was measured with a lipid peroxidation inhibitory activity and lipid oxidation was evaluated by measuring the thiobarbituric acid (TBA) and peroxide value. The potent antioxidant peptide was purified using ultrafiltration and consecutive chromatographic methods including FPLC and reverse-phase high-performance liquid chromatography. The antioxidant activity having a specific a
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