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정인창,Jung In-Chang 동아시아식생활학회 2006 동아시아식생활학회지 Vol.16 No.3
This study was designed to investigate the possible utilization of mugwort as a source of functional ingredients. The approximate composition for mugwort powder was 5.06% moisture, 1.98% crude protein, 4.65% crude fat, 5.85% ash and 82.46% carbohydrate. The highest mineral content was potassium. The contents of total phenolic compounds and condensed tannin were 114 mg% and 11,000 mg%, respectively. The highest electron donating ability(EDA) was observed from the ethyl acetate and butanol fractions of mugwort powder but the lowest was shown by the hexane fraction. In color values, with increasing mugwort powder content, the 'lightness', 'redness' and 'yellowness' decreased in the crust, while in the crumb bread the 'lightness' decreased and the 'redness', and 'yellowness' increased. With the addition of mugwort powder as a substitute for strong flour over the range from 2.5% to 10.0%, the ratio of the volume and specific volume of white bread decreased while its weight increased. In the texture measurements for white breads, the hardness decreased slightly with the addition of 2.5% mugwort powder, but then increased with further additions of mugwort up to 10.0%. The addition of 2.5% mugwort powder increased the springiness and gumminess of white bread. The highest sensory scores for color, flavor, taste, texture and overall acceptance as evaluated by a student sensory panel were obtained from white bread with 2.5% mugwort powder and from the control. The highest sensory scores as evaluated by a baker sensory panel were obtained from white bread with 2.5% mugwort powder. In ranking test, overall acceptability of white bread was the highest in the control. Overall acceptance scores by sensory evaluation of white bread with 2.5% mugwort powder were not significantly different from those of control.
천마를 이용한 뇌혈관성 질환의 예방을 위한 양생약선(養生藥膳)의 개발을 위한 연구 (2). 천마를 주재료로 한 다식의 제조 및 관능적 특성
정인창,나혜영,이윤희,박성혜,Jung, In-Chang,Na, Hye-Young,Lee, Youn-Hee,Park, Sung-Hye 동아시아식생활학회 2007 동아시아식생활학회지 Vol.17 No.2
This study was performed to provide basic for predicting the usefulness of Gastrodiae rhizoma(Cho'nma) as a food material for oriental applied diet therapy(YackSun). Thus, Gastrodiae rhizoma was used to develop a traditional Korean snack, Dasik. As a useful food resource, Gastrodiae rhizoma along with Cortex fraxini powder, was used to prepare Dasik. Cho'nma powder was added to the Dasik 63.2%(Dasik-1), 42.2%(Dasik-2) and 21.0%(Dasik-5) of Cho'nma powder to Dasik in one piece(5 g). The moisture and crude ash contents of the Dasik-1, 2 and 3 were analyzed. Physio-chemical analysis and a sensory test were also performed on the Dasik. Moisture and crude ash contents of Dasik-1 were 20.16% and 0.65%, respectively. Moisture and crude ash contents of Dasik-2 and Dasik-3 were 22.92 and 27.17% and 0.49 and 0.23% respectively. from the color test, the t value of Dasik-1 was found to be significantly low but the b value of Dasik-1 significantly high compared with the other preparations. The addition of Cho'nma had a tendency to impart high hardness, fracturability, gumminess and chewiness. Therefore, the addition of Cho'nma made the texture of Dasik denser. From the sensory test, the color, chewiness and overall acceptability of Dasik-1 were found to be significantly high. In conclusion, the addition of 63.2% Cho'nma per piece would be a useful recipe to enhance the quality of Dasik, and the flour Cho'nma showed better result than the Dasik-2 and Dasik-3.
정인창 ( In Chang Jung ),손호용 ( Ho Yong Sohn ) 한국미생물생명공학회(구 한국산업미생물학회) 2014 한국미생물·생명공학회지 Vol.42 No.3
In the course of study for development of functional food ingredients from aged black garlic (ABG), heat-treated ripe bulbs of Allium sativum L., the water extracts from raw-garlic (RG) and ABG, and the subsequent organic solvent fractions of ABG were prepared, and their antioxidant, antimicrobial, and antithrombosis activities were compared. The extraction yield of ABG was 4- folds higher than that of RG, and the contents of total polyphenol, total flavonoid, total sugar and reducing sugar in the ABG extract were 4-folds, 1.56-folds, 3.36-folds and 6.75-folds higher than those of the RG extract, respectively. In antioxidation activity assay, the extract of ABG showed minor scavenging activity against DPPH anion, but revealed strong scavenging activity against ABTS cation and nitrite. Especially, the ethylacetate fraction from the ABG extract demonstrated stronger antioxidation activity than the RG extract and other fractions. Although the antimicrobial and antithrombosis activities of the RG extract did not appear in the ABG extract, the ethylacetate fraction from the ABG extract had antibacterial activity against Staphylococcus aureus and Bacillus subtilis, and strong antithrombosis activity via the inhibition of prothrombin, blood coagulation factors and platelet aggregation. All extracts and fractions did not show any hemolytic activity against human red blood cells up to 5 mg/ml. Our results suggest that the ethylacetate fraction of ABG could be applicable to the development of functional food ingredients for antithrombosis agents.