Park, Dong Hwa;Lee, Seung Tae;Jun, Do Youn;Lee, Ji Young;Woo, Mi Hee;Kim, Ki Young;Seo, Myung Chul;Ko, Jee Yeon;Woo, Koan Sik;Jung, Tae Wook;Kwak, Do Yeon;Nam, Min Hee;Kim, Young Ho
Journal of Life Science
/
v.24
no.1
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pp.26-38
/
2014
To examine the antioxidant activities of 11n selected miscellaneous cereal grains (proso millet, yellow glutinous proso millet, hwanggeumchal sorghum, glutinous sorghum, white glutinous sorghum, yellow glutinous foxtail millet, nonglutinous foxtail millet, green glutinous foxtail millet, golden foxtail millet, barnyard millet, and adlay), the free radical-scavenging activities of 80% ethanol extracts of the individual grains were investigated using 1,1-diphenyl-2-picryl-hydrazl (DPPH) and 2,2'-azino-bis (3-ethylbenzothiazoline-6-sulfonic acid) (ABTS) methods. The ethanol extracts of hwanggeumchal sorghum, glutinous sorghum, and barnyard millet grains exhibited more potent free radical-scavenging activities as compared to the other grains. When these three ethanol extracts were sequentially fractionated with n-hexane, methylene chloride, ethyl acetate, and n-butanol, the majority of the antioxidant activities were detected in the ethyl acetate and butanol fractions in which phenolic ingredients were abundant. The ethyl acetate and butanol fractions of hwanggeumchal sorghum and the ethyl acetate fraction of glutinous sorghum showed higher antioxidant activity than that of ${\alpha}$-tocopherol. Both ferric thiocyanate (FTC) and thiobarbituric acid (TBA) methods demonstrated that these organic solvent fractions could inhibit lipid peroxidation. The ethyl acetate fractions from hwanggeumchal sorghum, glutinous sorghum, and barnyard millet grains could suppress tertiary-butyl hydroperoxide (TBHP)-induced apoptotic events, including sub-G1 peaks, ${\Delta}{\Psi}m$ loss, activation of caspase-9 and caspase-3, and cleavage of PARP and lamin B, in human HL-60 cells. These results show that the grains of hwanggeumchal sorghum (Sorghum bicolor L. Moench cv. Hwanggeumchalsusu), glutinous sorghum (Sorghum bicolor L. Moench cv. Chalsusu), and barnyard millet (Echinochloa esculenta) possess efficient antioxidant activity, which could protect cells from oxidative stress-mediated cytotoxicity.
Thirty six young New Zealand white rabbits were used in a randomised complete block (RCB) design with a $3{\times}2$ factorial treatment experiment to study the suitability of sorghum as substitute for maize in the diet of growing rabbits in Kenya. Six different diets were formulated to contain 35% of one of the three different types of grain (maize, white sorghum or brown sorghum) and one of the two different levels of crude protein (CP) 16 or 18.5% and fed to growing rabbits for a period of six weeks. The tannin content of the grains was 0.05, 0.52 and 5.6% chatechin equivalents for maize, white and brown sorghum respectively. Weaning weight at 35 days of age was used as the blocking criterion at the beginning of the experiment. Results of feed intake, weight gain, feed conversion efficiency, feed digestibility, as well as the blood parameters, indicated that white sorghum was not significantly different from maize. Animals fed on diets containing brown sorghum had a lower average daily gain (ADG) and a poorer feed conversion efficiency (FCE) (p<0.01) in comparison with those fed on diets containing maize or white sorghum. The 18.5% CP level gave a better FCE (p<0.05) compared with the 16% CP level. However, increasing the level of CP did not improve the utilisation of any of the grains. It was concluded that white sorghum could effectively substitute maize in the diet of growing rabbits. On the other hand, the use of brown sorghum in the diets of growing rabbits may compromise their growth rate. This may be due to the high concentration of tannins in the brown sorghum.
Ji Won Seo;Jae Geun Lee;Bimal Kumar Ghimire;Myong Jo Kim;Chang Yeon Yu;Eun Soo Seong
Journal of Applied Biological Chemistry
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v.66
/
pp.227-235
/
2023
The current study evaluated the presence and concentration of health-promoting phenolic antioxidants in sorghum seed accessions from seven regions in three different countries (Uzbekistan, Myanmar, and the United States). The free radical scavenging activity using the 2,2-diphenyl-1-picrylhydrazyl assay was 13.10±2.37 ㎍/mL in the Uzbekistan sorghum seed extracts, demonstrating the highest antioxidant activity. Additionally, the total phenol content was the highest in the Uzbekistan sorghum seed extracts [157.87±4.04 mg GAE/g (gallic acid equivalents per gram)]. The total flavonoid content was 12.69±0.72 mg QE/g (quercetin equivalents per gram) and represents the highest value in the Myanmar collection. The Uzbekistan collection demonstrated the greatest potential for whitening activity, with the tyrosinase inhibition rate of 79.20±4.15%. The wrinkle improvement function using elastase also showed the highest anti-aging activity of 55.85±4.78% in the same seed extract. The Uzbekistan seed extract had the highest NO production inhibitory activity of 144.35±4.55%. We conclude from these results that the Uzbekistan sorghum seed has excellent antioxidant activity, content of various functional ingredients, and anti-inflammatory activity.
Jun, Do Youn;Woo, Hyun Joo;Ko, Jee Youn;Kim, Young Ho
Journal of Life Science
/
v.32
no.12
/
pp.929-937
/
2022
To investigate the anti-inflammatory activity of the grains of sorghum, three Sorghum bicolor (L.) Moench variants (Hwanggeumchal, Huinchal, and Chal) being cultivated in Korea, the 80% ethanol (EtOH) extracts of individual sorghum grains were compared for their inhibitory activity against nitric oxide (NO) production in lipopolysaccharide (LPS)-stimulated RAW264.7 murine macrophage cell line. Among them, the EtOH extract of sorghum Hwanggeumchal grains could exert the highest inhibitory effect on the LPS-induced NO production. However, under these conditions, the viability of RAW264.7 cells was not affected. When the EtOH extract of sorghum Hwanggeumchal grains was sequentially fractionated with n-hexane, methylene chloride (MC), ethyl acetate (EtOAc), and n-butanol, the anti-NO production activity was predominantly detected in both MC and EtOAc fractions. In particular, treatment with the MC fraction reduced dose-dependently the expression levels of iNOS, COX-2 and pro-inflammatory cytokines (IL-1β, IL-6, and TNF-α) in LPS-stimulated RAW264.7 cells. Simultaneously, the MC fraction could prevent LPS-induced activating phosphorylation of p38 mitogen-activated protein kinase (MAPK), c-Jun N-terminal kinase (JNK) and extracellular signal-regulated kinase (ERK). HPLC analysis of the MC fraction showed gentisic acid and naringenin as the major phenolic components. Both gentisic acid and naringenin commonly exhibited a potent inhibitory activity against LPS-induced NO production in RAW264.7 cells. Together, these results provide the evidence of the inhibitory activity of Hwanggeumchal grains on LPS-induce inflammatory responses in RAW264.7 murine macrophage cells and also suggest that sorghum grains possess beneficial health effects which can be applicable in development of the grain-based functional foods.
Kim, Min Soo;Oh, In Taek;Jun, Do Youn;Lee, Ji Young;Sohn, Ho-Yong;Kwak, Do Yeon;Seo, Myung Chul;Woo, Koan Sik;Ko, Jee Yeon;Jung, Tae Wook;Nam, Min Hee;Woo, Mi Hee;Kim, Young Ho
Journal of Life Science
/
v.23
no.12
/
pp.1460-1470
/
2013
To examine whether miscellaneous cereal grains have an antithrombotic effect, we investigated the anticoagulant activity of 80% ethanol extracts from eleven selected miscellaneous cereal grains. The 80% ethanol extract of hwanggeumchal sorghum (Sorghum bicolor) showed the highest anticoagulant activity, followed by that of green foxtail millet grains, in terms of thrombin time (TT). When the ethanol extract of hwanggeumchal sorghum was sequentially fractionated with n-hexane, methylene chloride, ethyl acetate, and n-butanol, the majority of the TT-inhibitory activity was detected in the hexane and methylene chloride fractions. Whereas aspirin (final conc. 480 ${\mu}g/ml$) prolonged TT by 2-fold, the ethanol extract, hexane fraction, and methylene chloride fraction in the same dose prolonged TT by 2.2-fold, 2.9-fold, and 2.5-fold, respectively. The ethanol extract of hwanggeumchal sorghum could delay activated partial thromboplastin time (APTT) as well as prothrombin time (PT). Although the APTT-inhibitory activity of the ethanol extract was mainly partitioned into the hexane and methylene chloride fractions, the PT-inhibitory activity of the ethanol extract was solely partitioned into the hexane fraction. The APTT- and PT-inhibitory activities of these organic solvent fractions were more potent than those of the control warfarin (final conc. 3.13 mg/ml). The TT-inhibitory activity of the ethanol extract was heat-stable and acid-stable. The ethanol extract, hexane fraction, and methylene chloride fraction of hwanggeumchal sorghum appeared to possess a direct fibrinolytic activity toward fibrin clotting. These results show that hwanggeumchal sorghum can exert anticoagulant and fibrinolytic effects and, thus, have the potential to be applicable as antithrombotic dietary sources.
Crop characteristics of 179 sorghum (Sorghum bicolor L. Moench) resources collected in Korea were investigated in order to establish basic data for the improvement of crop breeding. Spike types of 179 sorghum resources were classified as 5 types of open-loose type, broom-tillering type, half broom-tillering type, extreme-compact type and compact type, of which broom-tillering type was the highest ratio of 38.0% (68 plant resources) of 179 germplasm. In the existence and nonexistence of spike awn in 179 sorghum resources, 28.5% (51 plant resources) showed existence of spike awn, whereas the rest of 71.5% (128 plant resources) had no spike awn. Seed type was classified as 5 types, of which circle-shape showed the highest ratio of 43.0% (77 plant resources) and the lowest was inclined-circle shape by 7.3% (13 plant resources). Seed color was classified as 4 colors of brown, white, whitish brown, and yellowish brown, of which yellowish brown was the highest ratio of 84.4% (151 plant resources) among them. Days from seeding to heading date showed the range from 67 to 88 days with the average of 77.4 days and the highest frequency proportion of it was the group from 76 to 80 days, which occupied 37.4% (67 plant resources) of 179 germplasm. 179 sorghum resources showed high variation in the range of culm length with the average of 253.8 cm and group from 92 cm to 360 cm of culm length showed the highest frequency proportion of 20.6% (37 plant resources). Spike length showed the range from 15 to 49 cm with the average of 28.8 cm and the highest frequency distribution of it was the group from 31 to 35 cm with the proportion of 26.3% (47 plant resources), whereas the lowest was below 15 cm with the proportion of 0.6%. Days from seeding to physiological maturity showed the range from 110 to 146 days with the average of 125.5 days and the highest frequency proportion (39.7%) of it was the group from 111 to 115 days, while there were also occupied with 2 plant resources below 110 days and 23 plant resources over 141 days among 179 germplasm. Number of grains per spike showed the range from 163 to 4,532 grains with the average of 2,068.6 grains and group from 1,601 to 2,000 grains per spike was the highest frequency distribution with the proportion of 25.7% (46 plant resources). 1000 grains weight showed the range from 10.6 to 38.1g with the average of 25.6g and group from 26.0 to 30.0g was the highest frequency distribution with the proportion of 44.1% (79 plant resources).
Han, Tae Kyu;Yoon, Seong Tak;Jeong, In Ho;Kim, Young Jung;Yu, Je Bin;Yangjing, Yangjing;Ye, Min Hee
Proceedings of the Korean Society of Crop Science Conference
/
2017.06a
/
pp.348-348
/
2017
This experiment was conducted to investigate the aspect of tiller occurrence, growth and yield of sorghum according to planting density and sowing date. The subject of this experiment is to supply basic data to inhibit non-productive tillers uneconomical and cumbersome for mechanical harvesting. Also another subject was to evaluate optimum planting density and sowing date in central district area. Total number of tillers was more in 80cm ridge than 60cm ridge and it was increased as the planting distance was wider from 15cm to 30cm on the each ridge. Ratio of effective tillers was higher in 60cm ridge than 80cm ridge and it was decreased as planting distance was wider from 15cm to 30cm. The lower the planting density, the more increased total number of tillers, whereas effective tillers were decreased as planting density was high. Average of total number of tillers of three varieties was higher in sowing date of 2 May (1st sowing date), whereas ratio of effective tillers was the highest in sowing date of 23 May (2nd sowing date). Hwanggeumchal showed the highest total number of tillers (1.2 tillers), while Moktaksusu had the lowest total number of tillers (0.8 tillers) among three varieties. There were no significant difference between planting density and days to heading and ripening date from seeding. Culm length increased as planting density was high, but ear length, grains per ear and 1000 grain weight were decreased on the other hand. The highest yield of sorghum per 10a was obtained from $60{\times}20cm$ planting density among 6 planting densities.
Choi, Hyo-Won;Hong, Sung Kee;Lee, Young Kee;Kim, Wan Gyu
The Korean Journal of Mycology
/
v.41
no.3
/
pp.142-148
/
2013
Sorghum (Sorghum bicolor Moench) was traditionally grown on a small scale, however, at present its cultivation is getting momentum in terms of food and animal feed crop throughtout the Korea. Grain mold symptoms of the plant were frequently observed during disease surveys in Korea from 2007 to 2009. The symptoms were highly variable. Severely infected grain was fully covered with mold and partially infected grain may look normal or discolored. Ninety isolates of Fusarium species were obtained from the diseased plants collected from several locations in the country. Among the collected Fusarium isolates, 41 were identified as Fusarium thapsinum, 23 as F. proliferatum, 12 as F. graminearum, 5 as F. incarnatum, and 3 as F. equiseti based on their morphological and cultural characteristics. Elongation factor 1 alpha gene sequences of the isolates were used for phylogenetic analysis. Analyses of the sequences revealed that the isolates were confirmed to be identical with related species of NCBI GenBank. Pathogenicity tests showed that three dominant species, F. thapsinum, F. proliferatum and F. graminearum were strongly virulent to grains of sorghum. This study is the first report of sorghum grain mold caused by Fusarium species in Korea.
This experiment was conducted to investigate the aspect of tiller occurrence, growth and yield of sorghum according to planting distance and sowing date. The object of this experiment is to get basic data to inhibit non-productive tillers uneconomical and cumbersome for mechanical harvesting. Also another object was to evaluate optimum planting distance and sowing date in central district area. Total number of tillers was more in 80 cm ridge than 60 cm ridge and it was increased as the planting distance was wider from 15 cm to 30 cm on the each ridge. Ratio of effective tillers was higher in 60 cm ridge than 80 cm ridge and it was decreased as planting distance was wider from 15 cm to 30 cm. The lower the planting distance, the more increased total number of tillers, whereas effective tillers was decreased as planting distance was high. Average of total number of tillers of three varieties was higher in sowing date of May 2 (1st sowing date), whereas ratio of effective tillers was the highest in sowing date of May 23 (2nd sowing date). Hwanggeumchal showed the highest total number of tillers (1.2 tillers), while Moktaksusu had the lowest total number of tillers (0.8 tillers) among three varieties. There were no significant difference between planting distance and days to heading and ripening date from seeding. Culm length increased as planting distance was high, but ear length, grains per ear and 1000 grain weight were decreased on the other hand. The highest yield of sorghum per 10a was obtained from $60{\times}20cm$ planting distance among 6 planting distances.
Kim, Jeong-Soon;Ko, Ho-Cheol;Yoon, Sung-Tag;Cho, Yang-Hee;Kim, Jung-Gun;Shim, Chang-Ki
KOREAN JOURNAL OF CROP SCIENCE
/
v.55
no.1
/
pp.58-64
/
2010
This study was carried out to screen the occurrence of insect pest on the organic seed producing field of minor grain germplasms, Pearl millet (Setaria italic L.), Sorghum (Sorghum bicolor L.), and Common millet (Panicum miliaceum L.) in Gangwon-do from 2008 to 2009. The artificial pheromone traps successfully attracted an Oriental corn borer, Ostrinia furnacalis (Guenee) on Pearl millet, but the Army worm, Pseudaletia separata, was not attracted in all of the minor grain fields. The ratio of damaged plants of Oriental corn borer and Army worm were appeared in order with Pearl millet, Common millet, and Sorghum. The morphological diversities of plant bug were shown as four kinds of species, Eastern green stinkbug (Nezara antennata), Brown-marmorated stinkbug (Halyomorpha halys), Sloe bug (Dolycoris baccarum), and Bean bug (Riptortus clavatus), on the organic seed producing field of minor grain. The average occurrence density of Eastern green stinkbug was the highest level in the three kind of minor grains, Pearl millet, Common millet, and Sorghum in 2008 and 2009. The dominant species are the Eastern green stinkbug and the Bean bug in Pearl millet and Common millet. The Sloe bug and the Bean bug possessed the highest population density in Sorghum.
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