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류복미,김정숙,박민희,문갑순,Ryu, Bog-Mi,Sugiyama, Kuniko,Kim, Jung-Suk,Park, Min-Hee,Moon, Gap-Soon 한국식품영양과학회 2007 한국식품영양과학회지 Vol.36 No.2
This study was carried out to observe the antioxidant and angiotensin converting enzyme (ACE) inhibitory activity of susijang (Korean traditional fermented soy food). The antioxidant activity of susijang was measured by using TEAC (trolox equivalent antioxidant capacity) assay. In addition contents of isoflavones, phenolic acids and amino acids were determined. TEAC values of chungkukjang and susijang were significantly higher than those of yellow soybean (p<0.05). The contents of isoflavones (genistein, daidzein) were found to be significantly higher in chungkukjang and susijang than yellow soybean. The susijang showed high content of free amino acids and phenolic acids. ACE inhibitory activity of susijang was significantly higher than those of chungkukjang and yellow soybean, particularly of 70% ethanol extract. 전통 콩발효식품인 수시장의 제조방법을 재현하고 이의 항산화활성 및 angiotensin-converting enzyme(ACE)에 대한 저해활성을 측정하였다. TEAC법으로 총항산화능을 측정한 결과 원료콩에 비해 수시장에서 유의적으로 높았고, 청국장과 유사한 항산화능을 나타내었다. 수시장 중의 이소플라본(diazein, genistein) 함량은 청국장보다는 적게 함유되어 있었으나 원료콩에 비해서 유의적으로 높게 나타났다. Phenolic acids의 함량은 수시장 형태로 제조했을 때 가장 높았으며 특히, $\rho-coumaric$ acid와 salicylic acid가 많이 함유되어 있었다. 유리아미노산의 함량은 원료콩과 비교하여 수시장에서 가장 높았고, 청국장이 다음으로높게 나타났다. 고혈압 효과를 측정한 결과 청국장보다 수시장에서 저해활성이 높았으며, 70% 에탄올로 추출한 경우 저해활성이 더 큰 것으로 나타났다.
류복미,김창순,Ryu, Bog-Mi,Kim, Chang-Soon 한국식품조리과학회 2015 한국식품조리과학회지 Vol.31 No.3
We conducted this study to investigate the amount of RS and cooking characteristics of the commercial extrusion-cooked noodles. Ten kinds of noodles were selected and grouped according to the storage conditions; dry noodles (3), refrigerated noodles (2), freeze noodles (4), and dry noodle made from wheat flour as a control (not extrusion-cooked). The total starch of commercial noodles ranged from 62.50% to 84.13%, Refrigerated Naengmyeon and dry Dangmyun had high proportions of total starch (respectively 84.13% and 80.13%, respectively). The amounts of apparent amylose ranged from 25.01% to 42.93% and RS ranged from 0.61% to 5.99%. A high proportion of the total starch was rendered digestible by extrusion cooking, and a small amount of RS remained in the samples. Dry Dangmyun had the highest percentages of RS (5.99%), followed by refrigerated Naengmyeon C (2.41%) and dry Jjolmyeon (1.94%), and those of the other noodles were lower than that of the control (1.86%). Cooking properties and texture measurements were evaluated. Cooking loss and turbidity of cooking water were highest in dry Jjolmyeon and dry Naengmyeon. There was little cooking loss in dry Dangmyun and freeze rice noodles. In particular, dry Dangmyun and refrigerated Naengmyeon C containing high amounts of RS and amylose had relatively high measurements of hardness and tensile strength.