거대배아미 품종별 전분의 이화확적 특성비교

이연리,남석현,강미영 한국토양비료학회 2000 한국토양비료학회 학술발표회 Vol.2000 No.-

노니가루 70% 에탄올 추출물의 항산화 및 α-Amylase Inhibitory 활성

이연리,Lee, Youn Ri 한국식품영양학회 2020 韓國食品營養學會誌 Vol.33 No.2

In this study, polyphenol and flavonoid contents were measured, and DPPH, OH, H₂O₂ radical scavenging activity, and the α-amylase inhibitory activity were measured to study the antioxidant activity of 70% ethanol extract from Morinda citrifolia L. The polyphenol and flavonoid contents of noni 70% ethanol extract were 29.52 GAE/g and 12.48 CE/g, respectively. Also, the IC₅₀ values of DPPH, hydroxyl radical, and hydrogen peroxide scavenging activity of 70% ethanol extract from noni were 18.70 mg/mL, 26.45 mg/mL, and 35.67 mg/mL, respectively. Measurement of the α-amylase inhibitory activity of 70% ethanol extract from noni showed 45% inhibitory activity at 10 mg/mL.

쌀가루전용 품종으로 제조한 죽의 품질 특성

이연리,송유리,김지수,정혜진,오미르,Lee, Youn Ri,Song, Yu Ri,Kim, Ji Su,Jung, Hye Jin,Oh, Mi Reu 한국식품영양학회 2020 韓國食品營養學會誌 Vol.33 No.5

The value of using rice flour processed into rice powder in preparing porridge was evaluated by measuring the moisture content, pH, total starch, reducing sugar, and color content. The moisture content of the rice flour and the pH of porridge made with rice flour were measured. Rice flour contained 77.55% moisture and the moisture content of the porridge made from rice flour processed into rice powder was 91.40 to 92.47%. The pH of rice flour porridge was acidic at 6.53 to 6.95. The color of the porridge was also measured. The L^* values ranged from 82.62 to 97.55, the a^* values ranged from -0.09 to 0.08, and the b^* values ranged from -2.74 to 1.91.

쌀가루의 영양성분과 쌀가루를 활용한 다양한 쌀빵 레시피 개발

이연리,정다운,조은혜,백선우,김수영,박영서,Lee, Youn Ri,Jung, Da Woon,Jo, Eun hye,Back, Seon Woo,Kim, Su Yeong,Park, Young Seo 한국식품영양학회 2018 韓國食品營養學會誌 Vol.31 No.3

The purpose of this study is to analyze the proximate components (water, crude ash, crude protein, crude fat, and carbohydrates) and nutritive components (vitamin A, C, E, minerals, amino acids, and fatty acids) of rice flour and develop several rice bread recipes using rice flour. The water, crude ash, crude protein, crude lipid, carbohydrate contents of rice flour were measured to be 8.53%, 0.10 g, 6.80 g, 0.14 g and 84.43 g, respectively. No vitamin A was detected in the rice flour, and vitamin C and E contents were found to be 8.30 and 0.3467 mg/100 g, respectively. Calcium, potassium, magnesium, iron, and sodium contents were measured as 6.23, 65.05, 9.78, 0.17 and 2.84 mg/100 g; the large amount of potassium helps to discharge the sodium. Rice flour has nine kinds of essential amino acids in it; essential amino acids form 45.15% of rice flour's content. which is higher than 32.3%. Fatty acids were barely detected in the rice powder; saturated fatty acids were measured as 31.25 mg/100 g, and unsaturated fatty acids as 25.54 mg/100 g. Regarding essential fatty acids, linoleic acids were measured as 41.01 mg/100 g, and linolenic acids as 2.20 mg/100 g. The researcher used rice loaf bread as the base and developed rice bread recipes using rice flour to make a total of 11 items: 8 items with 75% rice flour (rice bagel, rice sweet red-bean bread, rice butter roll bread, rice mocha bread, rice buttertop bread, rice custard cream bread, and rice streusel), 2 items with 80% rice flour (stollen and rice hobbang), and 1 item with 85% rice flour (rice donut).

쌀가루로 제조한 쌀 쿠키의 품질 특성

이연리,Lee, Youn Ri 한국식품영양학회 2018 韓國食品營養學會誌 Vol.31 No.4

The author made rice cookies using 100% rice and measured their density, spreadability, color, hardness, and fatty acid contents. The density was not significantly different between wheat cookies and the rice cookies made here; however, the density of dough tended to be higher in the rice cookies. Spreadability tended to be lower in rice cookies than wheat cookies. Regarding the color of rice cookies, L, indicating brightness, was found to be higher in rice cookies than in wheat cookies, and a, indicating redness, was found to be lower in rice cookies than in wheat cookies. B, indicating yellowness, was not significantly different between wheat cookies and rice cookies, and hardness tended to be lower in rice cookies. Regarding fatty acid contents, saturated fatty acids such as myristic acids, palmitic acids, and stearic acids were found in rice cookies; However, the contents of saturated fatty acids tended to be lower in rice cookies than in wheat cookies. The monounsaturated fatty acids found in rice cookies were mainly oleic acids, and the polyunsaturated fatty acids found in them were linoleic acid, and these were found more in rice cookies than in wheat cookies. Concerning essential fatty acids such as linoleic acids, linolenic acids, or arachidonic acids, they were found more in cookies made of rice powder than in those made of wheat powder.

볶음 및 발아처리한 땅콩분말의 항산화 활성

이연리,Lee, Youn Ri 한국식품영양학회 2019 韓國食品營養學會誌 Vol.32 No.2

The purpose of this study was to evaluate the antioxidant activity of roasted and germinated peanut flours. This study also aims to utilize it as a functional material to be applied to processed foods. The moisture, crude protein, crude fat and ash carbohydrate contents of the common peanut powder used in this study were 1.27, 25.63, 42.19, 2.38, 28.20 g / 100 g, respectively. The moisture content, crude protein, crude fat and ash carbohydrate in germinated peanut powder were 1.47, 25.86, 42.86, 2.25 and 26.66 g / 100 g, respectively. 26.52, 45.02, 2.33, 24.70, g / 100 g, and the dietary fiber content of peanut, roasted peanut and germinated peanut powder was 12.27, 13.05 and 14.22 g / 100g, respectively. The antioxidants and radical scavenging ability of polyphenols and flavonoids in peanut powder treated with germination and germination compared to ordinary peanuts. Resverasterol content was high in the germinated peanut powder. Especially, germinated peanut powder can act as a natural antioxidant.

삼채부위별 에탄올 추출물의 생리활성탐색

이연리,Lee, Youn Ri 한국식품영양학회 2015 韓國食品營養學會誌 Vol.28 No.2

Biological compounds such as crude saponin and total polyphenol were determined in Allium hookeri roots and leaves. In addition, activities of DPPH radical scavenging activity, hydroxyl radical scavenging activity, ${\alpha}$-amylase inhibition activity and nitrite scavenging were detected in concentrates of 70% ethanol extracts of Allium hookeri roots and leaves. The crude saponin content of the roots and leaves were 4.28 mg/g, and 4.17 mg/g, respectively. Total polyphenol and total flavonoid content was higher in leaves than roots. Furthermore the DPPH radical scavenging activity and hydroxyl radical scavenging activities of leaves was higher than roots. For ${\alpha}$-glucosidase inhibitory activity, 70% ethanol extracts of Allium hookeri roots and leaves showed 60% activity inhibition at a 10 mg/mL concentration. Nitrite scavenging abilities under acidic conditions were most effective for Allium hookeri leaves extracts. These results suggested that Allium hookeri leaves might be used as the components of health functional food. 삼채뿌리와 잎이 가진 기능성 식품소재로서의 활용도를 높이고자 다양한 생리활성을 평가하였다. 삼채뿌리의 조사포닌, 폴리페놀, 플라보노이드 함량은 각각 4.28 mg/g, 18.27 mg/g, 0.95 mg/g, 삼채잎의 조사포닌, 폴리페놀, 플라보노이드 함량은 각각 4.17mg/g, 35.91 mg/g, 2.79 mg/g으로 나타났다. 삼채뿌리 및 잎 부위의 70% 에탄올 추출물의 DPPH 라디칼 소거능 $IC_{50}$으로 23.01 mg/mL, 4.82 mg/mL로 나타났으며, hydroxyl radical 소거능 $IC_{50}$ 값이 각각 40.82 mg/mL, 27.24 mg/mL를 나타났다. ${\alpha}$-Amylase 저해 활성은 삼채뿌리 및 잎 부위 에탄올 추출물 10 mg/mL를 처리했을 때 억제활성이 각각 61.38%, 61.01%로 나타났다. 삼채뿌리 및 잎 부위의 아질산염 소거능을 측정한 결과, 삼채추출물의 농도가 증가함에 따라 그 활성 역시 증가하는 경향으로 나타났다. 이상의 결과로 삼채뿌리보다는 삼채잎 부위에 항산화 및 항당뇨 활성이 나타났으며, 삼채잎을 활용한 식품 소재로써 개발할 가치가 매우 높은 것으로 판단된다.

거대배아미 품종별 전분의 이화학적 특성비교

이연리,남석현,강미영 한국토양비료학회 2000 한국토양비료학회 학술발표회 초록집 Vol.2000 No.5

삼백초(Saururus chinensis Baill) 용매분획물의 항산화활성 및 α-Glucosidase 저해활성 측정

이연리,Lee, Youn Ri 한국식품영양학회 2021 韓國食品營養學會誌 Vol.34 No.3

The antioxidant activity and α-glucosidase inhibitory activity of the solvent fraction fractionated from the methanol extract of Saururus chinensis Baill were examined. As a result of measuring the yields of methanol, hexane, chloroform, ethylacetate, butanol, and water fractions, the extraction yield of fraction was 18.60, 3.38, 24.03, 7.75, 8.11 and 62.57%, respectively. The total polyphenol content of the methanol extract of Saururus chinensis Baill was 13.40, 4.62, 7.39, 31.24, 25.76 and 5.64 mg GAE/g, respectively. DPPH radical scavenging activity (IC_50%) results were 20.81, 5.47, 10.15, 22.63, 19.68 and 21.06 ug/mL, respectively, and hydroxyl radical scavenging activity (IC_50%) results were 15.81, 2.69, 8.84, 12.80, 3.70 and 3.39 ug/mL. Hydrogen peroxide scavenging activity scavenging activity measurement (IC_50%) showed 33.63, 8.88, 16.93, 32.84, 33.79, and 33.71 ug/mL in methanol, hexane, chloroform, ethyl acetate butanol, and water fractions, respectively. The α-glucosidase inhibitory activity of the solvent fraction fractionated with the methanol extract of 300 sec was measured for the α-glucosidase inhibitory activity of methanol, hexane, chloroform, ethyl acetate butanol, and water fraction, respectively, 15.85, 10.84, 15.74, 24.90, 2.58 and 35.70%.

볶음 처리한 우엉과 돼지감자의 영양성분 및 항산화 활성

이연리,Lee, Youn Ri 한국식품영양학회 2016 韓國食品營養學會誌 Vol.29 No.6

본 연구는 손쉽게 가정에서 볶음 처리하여 우엉차와 돼지감자차를 만들어 영양성분과 항산화 활성을 검색하여 다양한 기능성 식품으로 가능성을 보고자 하였다. 볶음 처리한 우엉의 수분, 조단백질, 조지방, 조회분 및 탄수화물 함량은 각각 10.43, 8.50, 1.77, 3.43 및 75.87%로 나타났으며, 볶음 처리한 돼지감자는 각각 10.67, 7.83, 1.23, 2.80 및 77.47%를 보였다. 볶음 처리한 우엉의 수용성 식이섬유소 함량은 4.8 g/100 g, 불용성 식이섬유소 함량은 1.5 g/100 g으로 나타났다. 볶음 처리한 돼지감자의 수용성 식이섬유소 함량은 2.4 g/100 g, 불용성 식이섬유소 함량은 1.6 g/100 g으로 나타났다. 볶음 처리한 우엉과 돼지감자에서 무기질함량 중에서 가장 함량이 높게 나타난 것은 칼륨>마그네슘으로 나타났다. 아미노산을 분석한 결과는 볶음 처리한 우엉은 총 25종이 분리, 동정되었으며, 총 아미노산 함량은 1,382.112 mg/100 g이었고, 필수아미노산 함량은 766.031 mg/100 g으로 나타났다. 볶음 처리한 돼지감자는 총 24종이 분리, 동정되었으며, 총 아미노산 함량은 2,678.018 mg/100 g이었고, 필수아미노산 함량은 157.294 mg/ 100 g으로 나타났다. 볶음 처리한 우엉과 돼지감자의 폴리페놀 함량은 각각 32.56, 29.56 mg GAE/g으로 나타났으며, 플라보노이드 함량은 각각 16.54, 16.71 mg CE/g으로 나타났다. 볶음 처리한 우엉 및 돼지감자의 DPPH 라디칼 소거능의 $IC_{50}$ value은 각각 12.99, 19.74로 나타났으며, 양성대조군인 비타민 C보다는 낮았지만 모두 DPPH 라디칼 소거 활성을 보였다. 볶음 처리한 우엉 및 돼지감자의 hydroxyl radical 소거능의 $IC_{50}$ 값은 각각 25.96, 22.93으로 나타났으며, 양성대조군인 비타민 C보다는 낮았지만 모두 hydroxyl radical 소거 활성을 보였다. In this study, we evaluated the nutritional components and functional activities of Wooung (burdock, Arctium lappa L.) and Jerusalem artichoke (Helianthus tuberosus L.) tea. Roasting burdock' contained 75.87% carbohydrates; in addition, the moisture content, crude fat, crude protein, and crude fiber were 10.43%, 1.77%, 8.50%, and 3.43%, respectively. Roasting Jerusalem artichoke showed 77.477% carbohydrate content, with moisture content, crude fat, crude protein, and crude fiber of 10.67%, 1.23%, 7.83%, and 2.80%, respectively. Roasting burdock's water-soluble dietary fiber content was 4.8 g/100 g and insoluble dietary fiber content was 1.5 g/100 g; whereas, roasting Jerusalem artichoke' water soluble dietary fiber content was 2.4 g/100 g and insoluble dietary fiber content was 1.6 g/100 g. The highest mineral contents in roasting burdock and Jerusalem artichoke were potassium and magnesium, in order. The results of amino acid analyses s indicated a total of 25 types in roasting burdock, with total amino acid content of 1,382.112 mg/100 g, and essential amino acid content of 766.031 mg/100 g. In total, 24 types of amino acids were separated and identified in roasting Jerusalem artichoke, with total amino acid content of 2,678.018 mg/100 g, and total essential amino acid content of 157.294 mg/100 g. Roasting burdock and Jerusalem artichoke' polyphenol contents were 32.56 and 29.56 mg GAE/g each, and their flavonoid contents were 16.54 and 16.71 CE/g each. $IC_{50}$ values of DPPH radical-scavenging activity of roasting burdock and Jerusalem artichoke were 12.99 and 19.74, respectively; and $IC_{50}$ values of hydroxyl radical-scavenging activity were 25.96 and 22.93, respectively.