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효소분해와 염과 당 및 항산화 작용 상승제의 첨가에 의한 계피 추출액의 특성 변화
김나미(Na Mi Kim),도재호(Jae Ho Do),이종수(Jong Soo Lee),김우정(Woo Jung Kim) 한국응용생명화학회 1994 Applied Biological Chemistry (Appl Biol Chem) Vol.37 No.4
The dried cinnamon was extracted with enzymes, salts, sugars and additives in order to find the most effective extraction material. Enzymatic hydrolysis of cinnamon suspension with cellulase, hemicellulase, pectinase, β-1.4-glucosidase, tannase and lipase showed a little increase of their cinnamic aldehyde contents. Solid yield, antioxidant activity and degree of browning were increased in hemicellulase treatment. Acid and alkali extraction of cinnamon showed a some increase in solid yields and antioxidant activity was increased by addition of glucose and Na-ascorbate. Cinnamic aldehyde contents and degree of browning were increased in extraction with Na-citrate addition.
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이종원(long-Won Lee),김나미(Na-Mi Kim),도재호(Jae-Ho Do) 고려인삼학회 2004 Journal of Ginseng Research Vol.28 No.3
This study was carried out to investigate the effect of red ginseng water extract (RGWE) on trypsin activity. After extraction of fat soluble and saponin component from red ginseng powder by methyl alcohol. the residue was extracted with distilled water. and manufactured to water extract. The extract was dialyzed with different molecular cut ott membrane. Trypsin activity demonstrated the highest level at the RGWE concentration of 9x I 0-2 % in reaction mixture. and also increased to 15% at 2.9x I 0-:1 %. Km value was decreased and Vmax was increased in the present of red ginseng water extract. Red ginseng water extract was partially purified by dialysis. Bio-Gel P-IO and DEAE-cellulose column chromatography. The active fraction demonstrated positive reaction to ninhydrin, DNS and folin reaction.<br/>
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서창훈(Chang-Hoon Seo),이종원(Jong-Won Lee),도재호(Na-Mi Kim),김나미(Jae-Ho Do),양재원(Jae-Won Yang),장규섭(Kyu-Seob Chang) 한국식품영양과학회 2003 한국식품영양과학회지 Vol.32 No.3
홍삼 분쇄의 신 가공 기술로서 비충격 분쇄방식인 cell cracker의 공장 적용 가능성을 제시하고 홍삼분말의 품질고급화에 기초자료로 활용하고자, 기존의 hammer mill(충격 분쇄방식)과 cell cracker에 의한 분쇄방식으로 홍삼분말을 제조한 후 물성, 표면구조적 특성 및 관능적 특성을 측정하였다. 입도분석에서 sieve shaker로 분석한 결과, 100 mesh 이상은 모두 95%수준으로 비슷한 분포를 나타냈고 120 mesh 이상은 hammer mill로 분쇄한 홍삼분말이 높았으며 그 밖의 각 mesh 별 입도분포는 큰 차이를 나타내지 않았다. Laser scattering analyzer로 분석한 결과 hammer mill로 분쇄한 홍삼분말의 입도분포는 최소 0.77 μm에서 최대 128.07 μm으로, cell cracker로 분쇄한 홍삼분말 4.24~180.07 μm보다 분포가 넓었으며, 평균 입자 크기는 cell cracker로 분쇄한 홍삼분말이 크고 표준편차는 hammer mill로 분쇄한 홍삼분말이 크게 나타났다. 비표면적은 hammer mill로 분쇄한 홍삼분말이 1.42 ㎡/g로 cell cracker로 분쇄한 홍삼분말 0.59 ㎡/g보다 높게 나타났고, 표면구조적 특성은 hammer mill로 분쇄한 홍삼분말은 크고 작은 입자가 불균일하게 분포하고 있으며, 개별입자의 형태는 부등형의 거칠게 연마된 돌 모양에 가깝고 표면은 작고 부드러운 솜털모양을 하고 있는 반면에, cell cracker로 분쇄한 홍삼분말은 입자크기가 상대적으로 고르게 분포하고 있으며 개별입자의 형태는 부등형의 조각난 돌 모양의 형태로 관찰되었다. Cell cracking method using a non-collision was evaluated for the possibility of new red ginseng grinding technique. Based on particle size distribution analysis by size shaker, the ratios of 100 mesh penetrated particles were 94.9% for hammer mill (group A) and 95.6% for cell crack (group B). The ratio of 120 mesh penetrated particle of group A was higher than that in group B. The particle size distributions for 100 mesh non-penetrated powder between 2 groups were not significantly different, and particle size distribution analysis by laser scattering analyzer showed that the particle size ranges were 0.77~128.07 μm for group A and 4.24~180.07 μm for group B. The particle size distribution in group A was more broad than that in group B. The mean particle size in group B was larger than that in group A, while the standard deviation of particle size distribution in group B was less than that in group A. Structural surface characteristics, in group A, particle size distribution was broad and the distribution curve was amorphous. The structure of individual particles was similar to unequal stone which was roughly grinded and had soft cotton-like surface. In the contrary, in group B, particle size distribution was relatively narrow and also individual size particles were ubiquitously distributed. The structure of individual particles was unequal cut stone shape.
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