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        검색결과 21

        1.
        2018.10 KCI 등재 구독 인증기관 무료, 개인회원 유료
        식감과 기능성이 우수한 혼합잡곡의 혼합비율 설정을 위해 보리, 검정콩, 팥, 조, 기장, 수수, 찹쌀 등을 혼합하여 취반전후의 품질 및 이화학 특성을 조사하였다. 아밀로그램 특성은 혼합잡곡 처리구별로 유의적인 차이를 보였으며, 쌀에 혼합할 경우, 잡곡에 비해 최고점도, 최저점도, 강하점도 및 최종점도는 증가하는 경향을 보였다. 쌀을 혼합하지 않은 잡곡과 쌀을 70% 혼합한 잡곡의 수분결합력은 105.32~136.05 및 111.93~127.87%, 용해도는 각각 15.85~25.21 및 4.90~23.89%, 팽윤력은 각각 19.41~22.13 및 19.01~24.29%로 혼합잡곡 처리구별로 유의적인 차이를 보였다. 혼합잡곡을 일반밥솥으로 취반한 밥의 명도, 적색도 및 황색도는 각각 47.62~64.89, 0.83~3.54 및 3.33~8.11이었고, 압력밥솥으로 취반한 혼합잡곡밥은 각각 42.14~59.52, 1.40~4.22 및 3.93~7.32로 혼합잡곡 처리구별로 색도는 유의적인 차이를 보이는 것으로 나타났다. 일반밥솥으로 취반한 혼합잡곡밥의 경도, 탄력, 부착성 및 찰기는 각각 102.2~157.0, 55.1~83.3, 19.3~33.2 및 34.9~50.9, 압력밥솥으로 취반한 혼합잡곡밥은 각각 57.2~119.2, 37.9~ 63.9, 21.4~40.7 및 44.3~72.0으로 혼합잡곡 처리구별로 조직감은 유의적인 차이를 보였으며, 전체적으로 백미밥에 비해 경도와 탄력은 증가, 부착성과 찰기는 감소하는 경향을 보였다. 취반 전 혼합잡곡과 일반 및 압력밥솥으로 취반한 혼합잡곡밥의 총 폴리페놀 함량은 각각 4.46~5.16, 0.58~0.93 및 0.65~0.96 mg GAE/g, 총 플라보노이드 함량은 각각 250.74~ 548.89, 129.26~207.04 및 127.41~218.15 μg CE/g으로 나타났다. DPPH radical 소거활성은 각각 79.25~181.61, 22.07~53.64 및 7.51~39.97 mg TE/100 g, ABTS radical 소거활성은 각각 203.25~328.24, 47.28~84.94 및 58.27~99.51 mg TE/100 g으로 잡곡류의 혼합비율에 따라 유의적인 차이를 보였다. 이상의 결과, 취반방법에 따라 페놀 화합물 함량과 radical 소거활성을 차이를 보여 취반방법에 따라 잡곡의 종류를 달리할 필요가 있을 것으로 생각된다.
        4,800원
        4.
        2017.06 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study was carried out to analyze the pasting and antioxidant characteristics of cooked mixed grains consisting of germinated millet and rice with varying addition rates and cooking methods. In this study, we chose two foxtail millets: glutinous (‘Samdachal’) and non-glutinous (‘Samdame’), along with a glutinous proso millet (‘Ibaekchal’). Cooked mixed grain rice-added germinated millet was cooked by general and high pressure cooking methods, with and without fermented alcohol. The peak and trough viscosity of germinated millet were decreased significantly with increasing amounts of germinated millet. The phenolic compounds and radical scavenging activity of cooked rice-added germinated millet increased significantly with the addition of germinated millet (p<0.05). The total polyphenol contents of cooked rice-added germinated Samdachal, Samdame, and Ibaekchal were 127.74~194.11, 128.20~192.56, and 128.88~171.28 μg GAE/g, respectively. The total flavonoid contents were 13.79~30.23, 14.77~25.99, and 15.28~29.56 μg CE/g, respectively. DPPH and ABTS radical scavenging activities were 3.31~5.73 and 6.31~9.69 mg TE/100 g for cooked rice-added germinated Samdachal; 3.14~8.58 and 6.05~10.19 mg TE/100 g for Samdame; and 3.37~7.45 and 6.27~9.27 mg TE/100 g for Ibaekchal, respectively. In this study, phenolic compounds and radical scavenging activity of cooked mixed grain rice-added germinated millet with different addition rates and cooking methods can be used as basic data for manufacturing processed products.
        4,000원
        5.
        2017.04 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study was carried out to compare the cooked and antioxidant characteristics with of cooked mixed grain rice with an addition rate (0, 5, 10, 15 and 20%) of proso millet and various cooking methods. Mixed grain rice with added proso millet was cooked by general and high pressure cooking methods with and without fermented alcohol. All pasting characteristics, except for breakdown viscosity, decreased with increasing the amounts of proso millet. Water binding capacity and swelling power significantly decreased when increasing the amounts of proso millet, however the water solubility index significantly increased. The palatability characteristics of rice with added proso millet showed similar results to rice without proso millet. Total polyphenol contents of rice with 20% proso millet and fermented alcohol added, cooked by general and high pressure cooking methods, were 184.33±2.69 and 179.80±5.22 μg GAE/g, respectively. Total flavonoid contents increased as amounts of proso millet increased. DPPH radical scavenging activities with and without proso millet added were 4.20~7.50 and 2.97~5.19 mg TE/100 g, respectively. ABTS radical scavenging activities with and without proso millet added were 14.36~27.92 and 14.07~15.83 mg TE/100 g, respectively. In this study, cooked and antioxidant characteristics of cooked mixed grain rice with added proso millet were expected to be used as basic data for manufactured processed products.
        4,000원
        6.
        2017.04 구독 인증기관·개인회원 무료
        This study was undertaken to evaluate the quality characteristics and antioxidant characteristics of commercially available mixed grains in Korea. The quality characteristics of mixed grain products studied were the mixing ratio, water binding capacity, water solubility, swelling power, and pasting characteristics. The antioxidant characteristics assessed the total polyphenol, flavonoid contents, DPPH and ABTS radical scavenging activities. The mixing ratio of commercially available mixed grain products consisted of 5~25 kinds of grains, with maximum products containing 15-grain products. The water binding capacity, water solubility, and swelling power in commercially available mixed grain products were 99.83~122.83%, 6.91~39.26% and 7.76~86.92%, respectively. The peak, trough, breakdown, final and setback viscosity were 31.53±20.17 RVU, 25.24±13.22 RVU, 6.29±7.43 RVU, 50.27±25.84 RVU and 18.74±8.68 RVU, respectively. Total polyphenol and flavonoid contents were 817.14~2,524.29 μg GAE/g and 06.36~1,099.09 μg CE/g, respectively. The DPPH and ABTS radical scavenging activities were 31.91~151.70 mg TE/100 g and 28.09~119.92 mg TE/100 g, respectively. Products with high phenol content and radical scavenging activity were found to contain greater proportion of brown rice, colored rice, barley and soybean.
        7.
        2017.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study was undertaken to evaluate the quality characteristics and antioxidant characteristics of commercially available mixed grains in Korea. The quality characteristics of mixed grain products studied were the mixing ratio, water binding capacity, water solubility, swelling power, and pasting characteristics. The antioxidant characteristics assessed the total polyphenol, flavonoid contents, DPPH and ABTS radical scavenging activities. The mixing ratio of commercially available mixed grain products consisted of 5~25 kinds of grains, with maximum products containing 15-grain products. The water binding capacity, water solubility, and swelling power in commercially available mixed grain products were 99.83~122.83%, 6.91~39.26% and 7.76~86.92%, respectively. The peak, trough, breakdown, final and setback viscosity were 31.53±20.17 RVU, 25.24±13.22 RVU, 6.29±7.43 RVU, 50.27±25.84 RVU and 18.74±8.68 RVU, respectively. Total polyphenol and flavonoid contents were 817.14~2,524.29 μg GAE/g and 06.36~1,099.09 μg CE/g, respectively. The DPPH and ABTS radical scavenging activities were 31.91~151.70 mg TE/100 g and 28.09~119.92 mg TE/100 g, respectively. Products with high phenol content and radical scavenging activity were found to contain greater proportion of brown rice, colored rice, barley and soybean.
        4,000원
        8.
        2016.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        This study was conducted in order to investigate the antioxidant capabilities and quality characteristics of instant porridge made of foxtail millet (Setaria italica Beauv.) from different varieties with different endosperm characteristics and processing using different methods. The two foxtail millet varieties used in this study were waxy foxtail millet, ‘Samdachal’, and non-waxy foxtail millet, ‘Samdame’. The means of processing food to create instant porridge were dry cereal frying, wet cereal frying, freeze drying after steaming, popping, and no treatment. The WAI (water absorption index) of instant porridge made of waxy foxtail millet was higher than that of non-waxy foxtail millet, and popping created the highest WAI among the treatments tested. Whean we analyzed RVA characteristics of non-waxy foxtail millet instant porridge, peak viscosity and setback values were decreased in all processed foxtail millet instant porridge compared to non-waxy foxtail millet instant porridge. In waxy foxtail instant porridge, the peak and final viscosities of processed treated instant porridge increased. The viscosity just after pouring hot water into the instant porridge was higher in waxy foxtail millet porridge treated by freeze drying after steaming, popping, and wet cereal frying; the viscosity of non-waxy foxtail porridge was increased after popping as compared with the other treatments. The polyphenol contents and antioxidant activities were increased in all processed, treated-instant porridge except for freeze dried porridge after steamingnt. The popping treatment showed the highest polyphenol contents (1.5 fold), and ABTS antioxidant activity (1.2 fold), compared to no treatment. Non-waxy foxtail millet porridge produced by popping earned the highest sensory evaluation scores.
        4,000원
        9.
        2016.02 KCI 등재 구독 인증기관 무료, 개인회원 유료
        We evaluated the antioxidant properties of adzuki beans and the quality characteristics of sediment using various cultivation methods. There were significant differences in total polyphenol and flavonoid contents in beans grown using different methods of cultivation (p<0.05). Also, DPPH and ABTS radical-scavenging activities were significantly different depending on cultivation method (p<0.05). The sediment yield before drying of Chungju-pat, Hongeon, and Arari was 296.64~339.01, 271.36~282.24, and 268.21~292.32%, respectively, and the sediment yield after drying was 71.68~85.41, 77.90~85.19, and 74.15~78.65%, respectively. The L-value of Chungju-pat and Arari sediments revealed a significant difference given different cultivation methods (p<0.05), but Hongeon sediment did not show a significant difference. There was a significant difference in the a- and b-value of adzuki bean sediments cultivated using different methods (p<0.05). The particle size of Chungju-pat, Hongeon, and Arari sediments was 66.21~98.80, 61.62~97.07, and 82.96~106.71 μm, respectively, and all were significantly different depending on cultivation method (p<0.05). There were also significant differences in the water absorption index, water solubility index, and swelling power when different cultivation methods were used (p<0.05).
        4,000원
        10.
        2012.09 KCI 등재 구독 인증기관 무료, 개인회원 유료
        The purpose of this study was to evaluate the appearance, sensory and physicochemical characteristics of muffin added glutinous(GSP) and non-glutinous sorghum powder(NGSP). As increasing the amounts of sorghum powder, proximate (moisture, ash and protein) and minerals composition(K, Ca, Mg and Na) of muffin were significant difference. The weight, volume, height, lightness(L-value) and yellowness(b-value) were decreased as increasing the amounts of sorghum powder. In the results of sensory evaluation, appearance, color, flavor, taste, texture and overall quality of untreated muffin were 1.4, 1.6, 1.4, 1.0, 1.1 and 0.9, and muffin added 10% GSP and NGSP were scored relatively high. Antioxidant compounds contents of muffin added sorghum powder were increased as increasing the amounts of sorghum powder. DPPH and ABTS free radical scavenging activities on methanolic extracts of untreated muffin were 0.74 and 1.31 ㎎ TE/g ER, respectively. DPPH and ABTS free radical scavenging activities of 100% GSP muffin were 9.40 and 19.14 ㎎ TE/g ER, and 100% NGSP muffin were 10.59 and 18.78 ㎎ TE/g ER, respectively. The results of this study show that notable antioxidant compounds and antioxidant activity on muffin added sorghum powder are considered to have significant health benefits.
        4,000원
        11.
        2017.12 KCI 등재 서비스 종료(열람 제한)
        This study evaluated the quality characteristics, polyphenolic compounds, and radical scavenging activity of cooked-rice added to commercially available mixed grains. L-value of cooked-rice with various mixed grains decreased compared to that of cooked-white rice; however, a- and b-values increased. Hardness and elasticity of cooked-rice added to various mixed grains were significantly lower in the pressure cooker compared to the electric cooker. There was no significant difference in adhesiveness and stickiness between rice from the electric cooker and pressure cooker. Total polyphenol and flavonoid contents of cooked-rice added to various mixed grains were significantly increased. The average total polyphenol content of cooked-rice added to various mixed grains cooked in an electric cooker and pressure cooker were 16.50 ± 3.86 and 15.88 ± 3.52 mg gallic acid equivalent /100 g, and flavonoid contents were 1.58 ± 0.00 and 1.55 ± 0.02 mg catechin equivalents/100 g, respectively. The average of 1,1-diphenyl-2-picrylhydrazyl radical scavenging activity was 9.27 ± 2.62 and 8.72 ± 2.41 mg trolox equivalent (TE)/100 g, and 2,2’-azino-bis-(3-ethylbenzothiazoline-6-sulfonic acid) radical scavenging activity was 22.89 ± 4.60 and 23.07 ± 4.49 mg TE/100 g for cooked-rice added to various mixed grains cooked in an electric cooker and pressure cooker, respectively. Phenol content and radical scavenging activity of cooked rice was in proportion to the amount of added grains, such as brown rice, colored rice, barley, soybean, and sorghum.
        12.
        2017.09 KCI 등재 서비스 종료(열람 제한)
        This study investigated the changes in yields, antioxidant compounds, and antioxidant activities among 11 adzuki bean cultivars cultivated in a paddy field with somewhat poorly drained soil. The adzuki bean cultivars were cultivated in the paddy field from 2015 to 2016 in Milyang, Gyeongsangnam, Korea. Average soil moisture content was 16.5% in 2015 and 31.0% in 2016 at the experimental site during adzuki bean cultivation. As the soil moisture content increased, most of the adzuki bean cultivars showed deceases in stem height, first setting pod node, number of pods, 100 seed weight, and yield. Chungju-pat produced the greatest yields among the 11 cultivars in 2015 and 2016, whereas Hongeon had the smallest yields. Adzuki bean yields after paddy field cultivation was lower for all cultivars than for adzuki bean yields from the same cultivars after upland field cultivation. Chungju-pat and Chilbo-pat showed the smallest decreases in yields after paddy field cultivation, whereas Hongeon and Kumsil showed the greatest yield reductions. There were no significant differences in proximate composition. Some mineral components (P2O5, Ca, and Mg) were statistically different across cultivars. Chungju-pat had the highest Ca and Mg contents, but antioxidant components (polyphenol and flavonoids) and antioxidant activities (ABTS and DPPH) were highest in Saegil and lowest in Jungbu-pat. PCA and clustering analyses, based on the growth, yield, and antioxidant component measurements, performed to identify which variables contributed the most to separating adzuki bean cultivars or to grouping cultivars with similar characteristics. These analyses showed that the antioxidant components and antioxidant activities had the most influence on grouping cultivars together. Among the 11 cultivars, Saegil was statistically different from the other cultivars, but the other 10 cultivars were not significantly different under paddy field cultivation. Soil moisture content affected adzuki bean yield and antioxidant component contents. An increase in soil moisture led to a decrease in yield, but an increase in antioxidant components. These results provide information that will improve the selection of an appropriate adzuki bean cultivar for use in paddy fields.
        13.
        2017.06 KCI 등재 서비스 종료(열람 제한)
        This study was carried out to compare the cooking and antioxidant characteristics of rice containing varying amounts of glutinous rice and cooked by two methods. Rice containing glutinous rice was cooked by general and high-pressure cooking methods with and without fermented alcohol. Pasting characteristics of cooked rice were decreased with increasing amounts of glutinous rice. The water binding capacity and swelling power were significantly decreased with increasing amounts of glutinous rice; however, water solubility indices were significantly increased. Palatability characteristics of cooked rice containing glutinous rice were similar to those of cooked rice without glutinous rice. Total polyphenol contents of cooked rice containing glutinous rice and fermented alcohol were quite different, but this difference was not significant. Total flavonoid contents were increased with increasing amounts of glutinous rice. Total flavonoid content by general cooking method for rice containing 20% glutinous rice and fermented alcohol was 23.20 ± 0.61 μg CE/g. DPPH radical-scavenging activities for samples with and without glutinous rice were 2.97–5.19 and 3.19–5.45 mg TE/100 g, respectively. ABTS radical-scavenging activity by high-pressure cooking method for rice containing 20% glutinous rice and fermented alcohol was 19.48 ± 0.63 mg TE/100 g. In this study, cooking and antioxidant characteristics of cooked rice containing glutinous rice generated data useful for manufacturing processed products.
        14.
        2017.05 서비스 종료(열람 제한)
        Background : This study was conducted to investigate the antioxidant activities and anticancer effect in 80% ethanol extract from foxtail millet (Setaria italica) and proso millet (Panicum miliaceum) and sorghum (Sorghum bicolor) varieties. Methods and Results : These extracts were evaluated for contents of total polyphenol and antioxidant activities using DPPH and ABTS radical scavenging activities. In concentration of 1000 ㎍/㎖, total polyphenol contents of foxtail millet, proso millet and sorghum were 7.68 - 12.74 ㎍․GAE/㎖, 13.01 - 14.79 ㎍․GAE/㎖ and 48.24 - 62.33 ㎍․GAE/㎖, respectively. Sorghum extracts showed strong radical scavenging activity comparable to well-known antioxidant, trolox. Anticancer effect was evaluated for MTT assay using AGS human gastric cancer cells. All extracts decreased growth of AGS cancer cells. Foxtail millet extracts were decreased about 40% of cell viability in all concentrations. Sorghum extracts were decreased cell viability, concentration dependent manner. Especially, Donganme extract (one of the sorghum variety) was the highest anti cancer effect under AGS cancer cells. Conclusion : Based on these results, millet and sorghum has potential health promoting bioactive compounds as functional food.
        15.
        2014.12 KCI 등재 서비스 종료(열람 제한)
        유색 수수인 황금찰수수를 도정할 때 grain과 함께 발생 하는 도정부산물인 hull과 bran의 4가지 용매 추출물의 총 폴리페놀 함량, 항산화 활성, 천연색소 함량과 RAW 264.7 세포주를 이용하여 항염증 활성을 검정하였으며 결과를 요 약하면 아래와 같다. 1. 도정부산물인 hull의 100% 메탄올과 70% 에탄올 추 출물에서 총 폴리페놀 함량이 29.4±0.4와 29.7±0.2 mg GAE/100 g으로 가장 많았고, ABTS 라디컬 소거능(IC50) 이 6.8±0.4, 6.3±0.1 μg/mL로 가장 높은 항산화 활성 을 나타내었다. 2. 총 천연색소 함량에서도 수수 hull의 0.5% 염산 함유 100% 메탄올 추출물에서 322.6±14.5 mg/100g으로 가 장 많은 색소 함량을 나타내었고 hull, bran, grain 모 두의 경우에서 0.5% 염산을 함유한 100% 메탄올을 용매로 추출한 경우에서 가장 많아 수수를 이용하여 천연색소를 추출할 경우 수수 부산물인 hull을 산을 함 유한 메탄올로 추출하였을 때 가장 많은 색소 추출물 을 얻을 수 있었다. 3. 수수 도정부산물과 grain 추출물을 LPS로 NO 생성을 유도한 RAW 264.7 세포에 처리하였을 때, 세포 독성 이 없는 100 ug/mL 농도 이하에서의 NO 생성 억제량 은 hull, bran, grain 추출물의 순으로 나타났고 hull 추 출물의 경우에 농도에 따라 가장 큰 NO 생성 억제를 보였으며 천연색소 화합물 중에서는 apigeninidin의 NO 생성 억제 활성을 확인하였다. 4. 위 결과를 종합해 볼 때, 수수 도정부산물 중 hull은 grain 에 비해 총 폴리페놀 화합물과 천연색소 함량이 높고 항산화 활성과 RAW 264.7 대식세포에서의 NO 생성 량 억제 활성이 우수하여 앞으로 수수 부산물이 항산 화 및 항염증 소재로 가능성이 있음을 확인하였다.
        16.
        2014.09 KCI 등재 서비스 종료(열람 제한)
        This study investigated the changes of antioxidant compounds and antioxidant activity of adzuki bean by drainage methods in poorly drained sloping paddy field. The soil moisture contents of under pipe and open ditch drainage on very poorly drained paddy soil were 18.52±4.58 and 19.01±4.25%, and imperfectly drained paddy soil were 14.87±4.82 and 18.64±3.85%, respectively. Moisture, protein, fat and ash contents of adzuki bean with drainage methods were 10.10~11.60, 14.13~21.75, 0.02~0.73 and 2.81~3.45 g/100 g, respectively. The total polyphenol, flavonoid and tannin contents, and radical scavenging activity of adzuki bean showed significant differences by drainage methods. The total polyphenol, flavonoid, and tannin contents by drainage methods were 2.73~4.14 mg GAE/g, 1.07~1.43 mg CE/g, and 1.27~1.84 mg TAE/g, respectively. The DPPH and ABTS radical scavenging activities were 2.84~4.47 and 5.11~6.74 mg TE/g, respectively. The antioxidant compounds and radical scavenging activity of the adzuki bean by drainage methods were frequently affected soil water.
        17.
        2014.09 KCI 등재 서비스 종료(열람 제한)
        This study investigated the changes of antioxidant compounds and antioxidant activity of foxtail millet (FM) and proso millet (PM) by drainage methods in poorly drained sloping paddy field. The experimented soils in this study were very poorly drained (VPDP) and imperfectly drained paddy soil (IDP). Two drainage methods namely under pipe drainage (UPD) and open ditch (ODD) were installed within 1-m position at the lower edge of the upper paddy fields. The soil moisture contents of UPD and ODD on VPDP were 18.52±4.58 and 19.01±4.25%, and IDP were 14.87±4.82 and 18.64±3.85%, respectively. Generally, crop yields, proximate and minerals composition of FM and PM showed significant differences by drainage methods. The total polyphenol, flavonoid and tannin contents, and radical scavenging activity of the ethanolic extracts of FM and PM showed significant differences by drainage methods. The total polyphenol content of FM and PM by drainage methods was 1.69~2.30 and 1.18~1.35 mg GAE/g, total flavonoid content was 0.31~0.76 and 0.27~0.41 mg CE/g, and total tannin content was 0.36~0.54 and 0.21∼0.28 mg TAE/g, respectively. The DPPH radical scavenging activity of FM and PM was 39.53~59.81 and 27.91~40.25 mg TE/100 g, and ABTS radical scavenging activity was 113.59~152.10 and 61.38~79.19 mg TE/100 g, respectively. The antioxidant compounds and radical scavenging activity of FM and PM by drainage methods were frequently affected soil water.
        18.
        2014.07 서비스 종료(열람 제한)
        The change of quality characteristics with storage temperature (room (25°C), low (15°C) and cold (4°C) temperature) and period of unhulled foxtail millet (Setaria italica Beauv. cv. Samdame and Gyeongkwan 1), proso millet (Panicum miliaceum L. cv. Hwanggeum-gijang and Manhongchal) and sorghum (Sorghum bicolor (L.) Moench cv. Hwanggeumchal and Donganme) were evaluated. The 1,000 grain weight, lightness, redness, yellowness and moisture content with storage temperature and period of unhulled foxtail millet, proso millet and sorghum were not showed difference. Germination percent and milling recovery of foxtail millet, proso millet and sorghum decreased with increasing storage temperature and period. Fat acidity of stored foxtail millet, proso millet and sorghum was increased with increasing storage period, and the higher temperature increased more. The results of this study show that the storage of foxtail millet, proso millet and sorghum at the low and cold temperature is better than the room temperature. Especially, in mind of the economics, the storage method is good low temperature than cold temperature.
        19.
        2013.12 KCI 등재 서비스 종료(열람 제한)
        The purpose of this study was to evaluate the physicochemical characteristic of the cooked rice added with glutinous and non-glutinous sorghum. The sorghum cultivars were Sorghum bicolor L. Moench cv. Hwanggeumchal, Nampungchal (glutinous), and Donganme (nonglutinous), and rice cultivar was Ilpum rice. The cooking properties and pasting characteristics of cooking rice adding with sorghum according to varieties and different addition rates evaluated. The cooking properties and pasting characteristics had significant changes with the varieties and different addition rates of sorghum. With increased addition rates of sorghum, the pasting temperature, peak viscosity, trough viscosity, breakdown viscosity, and final viscosity were decreased. With increased addition rates of sorghum, the total polyphenol and flavonoid contents before and after cooked rice were increased. Total polyphenol contents of 30% addition rates before cooking rice with Hwanggeumchal, Nampungchal, and Donganme sorghum were 1,693.30, 1,890.98 and 2,386.11 μg/g sample, whereas those after cooking rice with sorghum were 1,189.28, 1,190.42 and 1,397.87 μg/g sample, respectively. The high level of DPPH radical scavenging activity before and after cooking rice with sorghum were 126.29 and 70.58 mg TE/100g sample in the Donganme in 30% addition rates. Also, ABTS radical scavenging activity was 135.56 and 83.12 mg TE/100g sample, respectively. The results of this study show that the addition of sorghum can make cooked rice improved antioxidant activity.
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