• Title/Summary/Keyword: seed protein

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Comparison of Protein Profiles of Proso Millet (Panicum miliaceum) Seeds of Various Korean Cultivars

  • Roy, Swapan Kumar;Kwon, Soo-Jeong;Yu, Je-Hyeok;Sarker, Kabita;Cho, Seong-Woo;Moon, Young-Ja;Jung, Tae-Wook;Park, Cheol-Ho;Woo, Sun-Hee
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.62 no.1
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    • pp.40-50
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    • 2017
  • Seed storage proteins are used as carbon and nitrogen sources for the nutritional improvement of seeds. Since the composition of proteins from the Korean cultivars of proso millet is unknown, this study was conducted to obtain a reference map of millet seed proteins and identify the functional characteristics of the identified proteins. Proteins extracted from proso millet seeds of various cultivars were investigated using proteomic techniques such as 2-D electrophoresis coupled with mass fingerprinting; 1152 (differentially expressed) protein spots were detected on the 2-D gels. Among them, 26 reproducible protein spots were analyzed using matrix-assisted laser desorption/ionization time-of-flight/time-of-flight mass spectrometry. Out of the 26 proteins, 2 proteins were upregulated in all the millet cultivars, while 13 proteins were upregulated and 11 proteins were downregulated in 2 cultivars. Abundance of most of the identified protein species associated with polysaccharide and starch metabolism, transcription, and pathogenesis was significantly enhanced, while that of other protein species involved in glycolysis, stress response, and transduction was severely reduced. Taken together, the results suggest that the differential expression of the proteins from the four millet cultivars may be cultivar-specific. By conducting a proteomic investigation of millet seeds from different cultivars, we sought to better understand the functional categorization of individual proteins on the basis of their molecular functions. We believe that the identified proteins may help in investigating genetic variations in millet cultivars.

EFFECTS OF PLANT SPACING AUD AMOUNT OF SIDE DRESSING ON THE YIELD AND PROTEIN PATTERN IN BURLEY 21 AND KB 101 (재식거리와 추비 시용량이 Burley 21과 KB 101의 수량과 단백질 Pattern에 미치는 영향)

  • 김용규;김상범;김대송;류점호
    • Journal of the Korean Society of Tobacco Science
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    • v.10 no.1
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    • pp.27-36
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    • 1988
  • This experiment was tarried out to investigate the effect of plant spacing and amount of side dressing on the yield, quality and protein pattern in burley 21 and KB 101. The results obtained were summarized as follow. 1 Yield and alkaloid content are increased In high plant population and side dressing. 2 . Quality is not affected by plant population and side dressing. 3 . Nitrogen content is decreased by late growing stage. 4. The bands of burley 21 seed are fewer than KB 101 seed bands in protein pattern. 5. In protein pattern, the bands of KB 101s leave are thicker than that of burley21s leave between 18,000∼14,000 of molecular weight.

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Effects of Soybean Oil or Whole Cotton Seed Addition on Accumulation of Conjugated Linoleic Acid in Beef of Fattening Brahman×Tai-Native Catle

  • Suksombat, Wisitiporn;Chullanandana, Khukhuan
    • Asian-Australasian Journal of Animal Sciences
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    • v.21 no.10
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    • pp.1458-1465
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    • 2008
  • Effects of soybean oil or whole cotton seed addition on conjugated linoleic acid (CLA) and performance of fattening Brahman$\times$Thai-Native cattle were studied. Eighteen fattening cattle averaging $241{\pm}24kg$ body weight and approximately 1 year old were stratified by live weight into three groups and randomly assigned by group to one of three dietary treatments. The treatments were control (concentrated 14% crude protein), control and supplemented with 170 g/d soybean oil, control plus 170 g/d of oil from whole cotton seed. All animals were weighed before and after the experimental period and 4 cattle per treatment were randomly slaughtered then carcass measurements were obtained. There were no statistically significantly differences in the final body weight, average daily gain and dry matter intake among treatments. However, the crude protein intake was significantly decreased (p<0.01) when whole cotton seed was fed compared with control and soybean oil treatments. The carcass composition and carcass characteristics were not significantly different in Longissimus and Semimembranosus muscle by feeding soybean oil and whole cotton seed compared with the control treatment. Supplementation of soybean oil increased (p<0.01) cis-9, trans-11 CLA by 116% in Longissimus muscle and by 240% in Semimembranosus muscle. However, whole cotton seed did not increase cis-9, trans-11 CLA in both muscles. The present study successfully increased cis-9, trans-11 CLA content of muscle lipids by soybean oil but not by whole cotton seed.

Changes in Level of Several Functional Components and ACE-Inhibitory Activity in Developing Soybean Seeds

  • Jun Woo-Jin;Lee Ji-Hyun;Shim Sang-In
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.51 no.4
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    • pp.329-333
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    • 2006
  • Soybean quality is determined based on protein content, lipid content and fatty acid composition, and several functional components including isoflavones, anthocyanins and functional activity. Because the level of each component changes during seed development, it is necessary to know the concentration of quality-related components in developing seeds. Little is known of the pattern of changes in quality-related components. Seeds from field-grown soybean was harvest from the $R_6$ stage to the $R_8$ stage in 2004. Seed characteristics and the level of nutritional components were examined. Seed moisture content was dropped rapidly after the $R_7$ stage in the tested varieties. Seed growth rate was the highest from the beginning of the $R_6$ stage to the mid-$R_6$ stage. Chlorophyll content was decreased rapidly in pods and seeds. However, seed growth period from the $R_6\;to\;R_8$ was 35 days. The crude protein content was. increased dramatically between 63 DAF and 70 DAF and then increased slightly. The pattern of isoflavone accumulation was nearly similar to that of seed weight increase. From the late $R_6$ stage to the $R_7$, the accumulation rate was higher as compared to other stages. The angiotensin inhibitory activity was increased according to seed development from 63 ($R_6$) to 84 DAF ($R_8$). The difference of inhibitory activity in heated soybean powder, however, was not great among stages. The inhibitory activity was affected by heating treatment. The most effective heating time was 10 min. Excessive heating longer than 30 min resulted in a lowered inhibitory activity of soybean on ACE.

A Study on the Depigmenting Effect of Carthamus tinctorius Seed, Cyperus rotundus and Schizonepeta tenuifolia Extracts (홍화자, 향부자, 형개 추출물의 미백효과에 관한 연구)

  • Hwang, Eun-Young;Kim, Dong-Hee;Hwang, Jo-Young;Kim, Hui-Jeong;Park, Tae-Soon;Lee, In-Sun;Son, Jun-Ho
    • Korean Journal of Food Science and Technology
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    • v.44 no.1
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    • pp.76-81
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    • 2012
  • The objective of the present study was to evaluate the skin depigmentation effect of the extracts of three herbs, Carthamus tinctorius seed, Cyperus rotundus and Schizonepeta tenuifolia. Their effects on tyrosinase and melanin synthesis inhibitory action were assessed. We found that the C. tinctorius seed ethanol extracts reduced the tyrosinase activity and melanin formation of B16F10 melanoma cells. The C. tinctorius seed suppressed the expression in microphthalmia associated transcription factor (MITF), tyrosinase, tyrosinase related protein 1 (TRP-1), and tyrosinase related protein 2 (TRP-2) in B16F10 melanoma cells. These results show that C. tinctorius seed inhibited melanogenesis on the B16F10 melanoma cell. The underlying mechanism of C. tinctorius seed whitening activity may be the inhibition of tyrisinase, MITF, tyrosinase, TRP-1, and TRP-2 expression. The results suggested that C. tinctorius seed has considerable potential as a natural functional ingredient with a depigmentation effect.

Physicochemical Characteristics of Soybean Seed Coat and Their Relationship to Seed Lustre (콩 종피의 이화학적 특성과 광택과의 관계)

  • Kim Sun-Lim;Chi Hee-Youn;Son Jong-Rok;Park Nam-Kyu;Ryu Su-Noh
    • KOREAN JOURNAL OF CROP SCIENCE
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    • v.50 no.spc1
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    • pp.123-131
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    • 2005
  • Lipid and protein contents in whole soybean seeds have negative correlation (r=-0.693**), however, these components in seed coat showed positive correlation (r=0.746**). Fatty acids in whole soybean seeds were higher in the order of $C_{18:2}>C_{18:1}>C_{16:0}>C_{18:3}>C_{18:0}$, while those of seed coat were higher in the order of $C_{18:3}>C_{18:2}>C_{18:0}>C_{16:0}>C_{18:1}$. The average content of total amino acid in twenty Korean soybean varieties was 38,938.7 mg/100 g, while that of seed coat was 4,418.4 mg/100g. Glutamic acid showed the highest composition rate $(16.4\%)$ in whole soybean seeds, while glycine was the highest in seed coat and their composition rate was $23.8\%$. The surface of shiny-lustre seed coats was smooth and their pore size was observed smaller than dull-lustre ones. Significant quadratic regression was observed among seed coat lightness, seed coat thickness, protein, lipid, unsaturated fatty acid and crude fiber. Fucose, rhamnose, glucose, mannose, galactose, arabinose and xylose were detected as a neutral mono-saccharides in the seed coats. The arabinose and xylose showed significant correlation with seed coat lightness. The unsaturated fatty acid was significantly correlated with seed coat lightness (r=0.726**). Water absorption rate was low in the thick seed coat varieties, but the rate was high in the shiny seed coat varieties. From the obtained results, it was considered that the thinner and brighter seed coat varieties were much favorable to increase the water absorption rate than thicker and darker seed coat ones.

Construction of cDNA Library and EST Analysis Related to Seed-hair Characteristics in Carrot (당근 종모 형질 관련 cDNA Library 작성 및 EST 분석)

  • Oh, Gyu-Dong;Shim, Eun-Jo;Jun, Sang-Jin;Park, Young-Doo
    • Horticultural Science & Technology
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    • v.31 no.6
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    • pp.782-789
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    • 2013
  • Carrot (Daucus carota L. var. sativa) is one of the most widely used crops in the world and is nutritionally important crop. However, seed-hair which is generated in epidermal cell of seeds causes the difficulty of the seedling process, because of the seed germination and absorption inhibitions. For these reasons, carrot seeds are commercialized after mechanical hair removal process. However, in this process, various damage and seed loss occur and breeding of hairless-seed carrot cultivar is needed to overcome these various weaknesses and additional seed production costs. In this study, cDNA libraries using 2 combinations, which were composed of short-hair seed CT-ATR 615 OP 666-13 & long-hair seed CT-ATR 615 OP 671-9, and short-hair seed CT-SMR 616 OP 659-1 & long-hair seed CT-SMR 616 OP 677-14, were constructed and EST sequences of each individuals were analyzed to reveal carrot seed-hair characteristics. Firstly, analyzed EST sequences were classified into FunCat functional categories. As a result, significant differences have been identified in metabolism category, protein folding and stabilization, protein binding, C-compound binding category from both of two combinations. Secondly, several candidate EST sequences related to seed trichome differentiation and cellulose biosynthetic process were selected based on GO data of EST sequences. These differences based on FunCat categories and candidate EST obtained by GO data analysis are thought to be involved in the formation of carrot seed hair. Finally, 741 SSR sites and 33 SNP sites were identified from analyzed EST sequences of two combinations. Then we designed SNP and SSR primer sets to develop molecular markers. These molecular markers will be used for classification of carrot cultivars and study seed-hair characteristic.

A comparison of anti-inflammatory activities of green tea and grapefruit seed extract with those of microencapsulated extracts (미세캡슐화한 녹차 및 자몽종자 추출물이 Murine RAW 264.7 대식세포주의 항염증에 미치는 영향 비교)

  • Jun, Yoon Kyung;Kim, Myung Hwan;Seong, Pil Nam;Chang, Moon-Jeong
    • Journal of Nutrition and Health
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    • v.45 no.5
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    • pp.443-451
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    • 2012
  • We compared the effects of grapefruit seed extract (GFSE), green tea extract (GT) and their microencapsulated extract on anti-inflammatory activities in murine RAW 264.7 macrophages cell line. In order to protect the bioactive compounds in the extracts, they were microencapsulated with maltodextrin and $H_2O$. Nitric oxide (NO), prostaglandin E2 (PGE2), tumor necrosis factor-${\alpha}$ (TNF-${\alpha}$), inducible nitric oxide synthase (iNOS) protein expression and thiobarbiturate reactive substances (TBARS) were analyzed in LPS activated RAW 264.7 macrophages. The green tea extract at the range of $100-600{\mu}g/mL$ inhibited NO, PGE2 production and iNOS protein expression without cytotoxicity in a dose-dependent manner. Grapefruit seed extract had strong inhibitory effects on NO and PGE production and iNOS protein expression at the range of $5-20{\mu}g/mL$ without cytotoxicity. Microencapsulation of green tea extract had further inhibitory effects on NO and PGE2 production and on iNOS protein expression, whereas microencapsulated GFSE did not show any further inhibitory effects on these parameters. Taken together, our results suggest that GSFE might be a promising candidate for preventing inflammation related diseases, such as cardiovascular disease, cancer or diabetes, and the microencapsulation of green tea extract could improve its bioactivity.

An Immunocytochemical Study on Storage Proteins of Ginseng Seed - Tris Buffer Soluble Protein - (인삼 종자의 저장단백질에 관한 면역 세포화학적 연구 - Tris 완충액 가용성 단백질 -)

  • Kim, Woo-Kap
    • Applied Microscopy
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    • v.19 no.2
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    • pp.74-84
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    • 1989
  • Buffer soluble storage proteins of ginseng seed have been localized by electron microscopy using post-embedding immunocytochemical gold labelling technique. Major components of the storage proteins were revealed to be storage protein-1($SP_{1}$, MW 160,000) and storage protein-2($SP_{2}$, MW 70,000). Both of the storage proteins are glycoproteins. Anti-$SP_{1}$ and anti-$SP_{2}$ from rabbit, against $SP_1$ and $SP_2$, respectively, reacted on sections of ginseng endosperm tissue embedded in Spurr's epoxy resin. The rabbit antibodies were visualized indirectly by reaction with protein A labelled with colloidal gold. Both storage proteins were found to be accumulated together in the same protein bodies, but their relative contents are not equal.

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Properties of the Chemical Composition of Safflower (Carthamus tinctorius L.) (홍화(Carthamus tinctorius L.)의 부위별 이화학적 특성)

  • 김성규;김현정;정병희;차재영;조영수
    • Journal of Life Science
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    • v.10 no.5
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    • pp.431-435
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    • 2000
  • In order to develop new materials for the functional feed, the components of safflower (Carthamus tinctorius L.) was studied. Chemical composition, minerals, amino acids, and fatty acids of the seed and the flower of safflower were analyzed. The chemical composition of safflower seed was 3.48% (w/w) moisture, 17.10% crude protein, 30.10% crude fat, 6.11% crude ash and these of safflower flower was 7.47% moisture, 26.30% crude protein, 11.50% crude fat, 5.73% crude ash. Mineral contents of the seed were K 170.70ppm, P 14.82ppm, Ca 13.17ppm, Mg 7.83 ppm whereas these of the flower were K 64.99 ppm, P 49.90 ppm, Ca 10.43ppm. Other mineral contents were less than 7.00ppm in all parts. The composition of the amino acid were approximately as follow, the major amino acid in all parts were aspartic acid, leucine, glycine, and arginine, the contents of these were 12.17mg/g, 11.52mg/g, 8.27mg/g, 6.99mg/g, 4.86mg/g in the seed, 19.35mg/g, 31.67mg/g, 10.30mg/g, 9.06mg/g, 12.51mg/g in the flower, respectively. The mahor fatty acids in the all parts were linoleic acid (C아래첨자). The linoleic acid and the palmitic acid (C아래첨자) in the seed and the flower parts were 77.75% (w/w), 19.32% and 8.37%, 25.62% respectively. On the basis of chemical analysis, the safflower showed to have relatively high contents of crude protein and crude fat, minerals, polyunsaturated fatty acid as linoleic acid. These results suggested that safflower was found to be a useful material of natural health food for the functional food development.

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