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Registros recuperados: 8
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Assessment and degradation study of total carotenoid and ß-carotene in bitter yellow cassava (Manihot esculenta Crantz) varieties. Repositório Alice
OLIVEIRA, R. G. A.; CARVALHO, M. J. L. de; NUTTI, R. M.; CARVALHO, L. V. J. de; FUKUDA, W. G..
The assessment of the variability of total carotenoid, ß-carotene, all-E, and 13 and 9-Z-ß-carotene isomers in twelve bitter yellow cassava was carried out, as well its degradation in five varieties after flour processing and during storage. HPLC and UV/ visible spectrophotometry were used in sample analyses. Varieties of bitter yellow cassava presented variation in the total carotenoid contents from 1.97 - 16.33 ?g/ bg and the ß-carotene contents varied from 1.37 - 7.66?g/ g. The 13, 9-Z and all-E-ß-carotene isomers were found in all varieties, being all-E-ß-carotene the predominant one. The mean degradation among the roots after processing was of 50%. Total carotenoid complete degradation was observed with less than 30 storage days. It was also observed...
Tipo: Artigo em periódico indexado (ALICE) Palavras-chave: Mandioca; Beta-caroteno; Carotenoide; Farinha; Cassava; Carotenoids; Beta-carotene.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/handle/doc/867948
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Avaliação da bioacessibilidade de carotenoides em suco de melancia e produtos processados. Repositório Alice
CONSTANT, L. S.; GOMES, F. dos S.; RIBEIRO, A. P. de O.; GODOY, R. L. de O.; CABRAL, L. M. C..
Conhecida por suas agradáveis características sensoriais, a melancia é um fruto muito apreciado para consumo in natura. Ultimamente, tem sido relatada como uma importante fonte de licopeno, um pigmento associado à redução do risco de algumas doenças degenerativas. Diversos processos tem apresentado eficácia em concentrar e aumentar a estabilidade do licopeno a partir de frutas. Entretanto, tal incremento no teor desse composto não, necessariamente, implica em um aumento na quantidade absorvida pelo organismo humano e, consequentemente, na promoção da saúde do indivíduo de forma que a avaliação da liberação do composto durante a digestão, ou seja, a sua bioacessibilidade se faz necessária. Este trabalho objetivou adaptar um modelo de digestão in vitro para...
Tipo: Artigo em anais de congresso (ALICE) Palavras-chave: Licopeno; Digestão; Beta-caroteno; Degradação; Lycopene; Digestion; Beta-carotene; Degradation.
Ano: 2016 URL: http://www.alice.cnptia.embrapa.br/handle/doc/1057886
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Development and characterization of transgenic elite indica rice lines accumulating ß-carotene in the endosperm International Rice Research Institute
Rai, Mayank.
123 l. : ill. Thesis (Ph.D.) -- G.P. Pant University of Agriculture & Technology
Tipo: Thesis Palavras-chave: Rice; Plant breeding; Transgenic plants; Beta-carotene.
Ano: 2004 URL: http://hdl.handle.net/123456789/381
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Efeito de irradiação gama no teor de B-caroteno de melão orange flesh. Repositório Alice
CARDOZO, M.; LIMA, K. S. C.; SOUZA, S. P.; LIMA, A. L. S.; GODOY, R. L. O..
2010
Tipo: Resumo em anais de congresso (ALICE) Palavras-chave: Melão; Irradiação; Beta-caroteno; Pós-colheita; Beta-carotene; Melons; Cucumis melo.
Ano: 2010 URL: http://www.alice.cnptia.embrapa.br/handle/doc/876185
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Evaluation of fitness in F2 generations of Africa Biofortified Sorghum event 188 and weedy Sorghum bicolor ssp. drummondii Electron. J. Biotechnol.
Magomere,Titus; Obukosia,Silas; Albertsen,Mark; Wambugu,Florence; Kamanga,Daniel; Njuguna,Michael; Gaffney,Jim; Zhao,Zuo-Yu; Che,Ping; Aseta,Antony; Kimani,Esther; Mwasame,Evans.
Background: Introgression of transgenes from crops to their wild species may enhance the adaptive advantage and therefore the invasiveness of and weedy forms. The study evaluated the effect of Africa Biofortified Sorghum (ABS) genes from ABS event 188 on the vegetative and reproductive features of the F2 populations derived from crosses with Sorghum bicolor subsp. drummondii. Results: F1 populations were obtained from reciprocal crosses involving ABS event 188 and its null segregant with inbred weedy parents from S. bicolor subsp. drummondii. Four F2 populations and four parental populations were raised in RCBD with 4 replications in a confined field plot for two seasons. Vegetative and reproductive traits were evaluated. The vigour shown in the F2...
Tipo: Journal article Palavras-chave: Beta-carotene; Heterosis; Transgenics; Phospho-mannose isomarese.
Ano: 2016 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-34582016000400008
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Total phenols, ascorbic acid, b-carotene and lycopene in Portuguese wild edible mushrooms and their antioxidant activities IPB - Escola Superior Agrária
Barros, Lillian; Ferreira, Maria João; Queirós, Bruno; Ferreira, Isabel C.F.R.; Baptista, Paula.
The antioxidant activities of three Portuguese wild edible mushroom species, Leucopaxillus giganteus, Sarcodon imbricatus, andAgaricus arvensis, were evaluated. Methanolic extracts were screened for their reducing power, 2,2-diphenyl-1-picrylhydrazyl (DPPH) radicalscavenging capacity, inhibition of erythrocytes hemolysis and antioxidant activity using the b-carotene linoleate model system. The amounts of ascorbic acid, b-carotene and lycopene found in the mushroom extracts were very low. Otherwise, the high contents of phenolic compounds might account for the good antioxidant properties found in all species. L. giganteus had the highest content of phenols and proved to be the most active, presenting lower EC50 values in all the antioxidant activity assays.
Tipo: Article Palavras-chave: Mushrooms; Antioxidants; Phenolics; Ascorbic acid; Beta-carotene; Lycopene.
Ano: 2007 URL: http://hdl.handle.net/10198/840
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Transfer of the ß-carotene transgene into IR64 through marker-aided backcrossing International Rice Research Institute
Rebong, Democrito, II B..
xiv, 95 l. : ill. Thesis (M.S.) -- University of the Philippines at Los Baños
Tipo: Thesis Palavras-chave: Rice; Plant genetics; Beta-carotene; Genetic engineering; Backcrossing; IR64 (Rice variety); Transgenic rice.
Ano: 2007 URL: http://hdl.handle.net/123456789/339
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การวิเคราะห์ปริมาณบีตา-แคโรทีนในผลปาล์มน้ำมันแบบรวดเร็ว Thai Agricultural
Sirinapha Khongcharean; Weeraphan Sridokchan; Patcharin Tanya; Pornsiri Liengsakul; Ronarit Ritiron.
ผลปาล์มน้ำมันเป็นแหล่งบีตา-แคโรทีนทางธรรมชาติที่สำคัญ ยังไม่มีรายงานถึงปริมาณบีตา-แคโรตีนในพันธุ์ปาล์มน้ำมันต่างๆ ที่ปลูกในประเทศไทย รวมถึงการวิเคราะห์หาปริมาณบีตา-แคโรทีนแบบรวดเร็ว วัตถุประสงค์ของงานวิจัยเพื่อวิเคราะห์ปริมาณบีตา-แคโรทีน ในผลปาล์มน้ำมันพันธุ์ต่างๆ ใน 2 พื้นที่ปลูก ได้แก่ จังหวัดกาญจนบุรีและจังหวัดทางภาคใต้ของประเทศ การวิเคราะห์แบบรวดเร็วโดยวิธีสเปกโตรสโกปีแบบ NIR เทียบกับวิธีสเปกโตรสโกปีแบบ UV-Vis ซึ่งเป็นวิธีมาตรฐานที่ใช้ในการอ้างอิง เพื่อนำมาสร้างสมการเทียบมาตรฐานหาปริมาณบีตา-แคโรทีน ในตัวอย่างผลปาล์มน้ำมันสด พบค่าเฉลี่ยปริมาณบีตา-แคโรทีนในผลปาล์มน้ำมันตั้งแต่ 1.04 – 15.42 mg/100g fw ซึ่งแตกต่างกันอย่างมีนัยสำคัญทางสถิติตามพันธุ์ปาล์มน้ำมัน ค่าเฉลี่ยของบีตา-แคโรทีนในกลุ่มตัวอย่างทางใต้ของประเทศมีค่าสูงกว่าในจังหวัดกาญจนบุรี คือ 9.41 และ...
Tipo: PhysicalObject Palavras-chave: Oil palm; Beta-carotene; NIR spectroscopy; Near Infrared spectroscopy; UV-Vis spectroscopic; Fast analysis; High performance liquid chromatography; HPLC; Calibration set; ปาล์มน้ำมัน; สายพันธุ์; บีต้าแคโรทีน; สารธรรมชาติ; การวิเคราะห์แบบรวดเร็ว; สมการเทียบมาตรฐาน; สเปกโตรสโกปี; เทคนิคโครมาโตกราฟีของเหลวสมรรถนะสูง; สารชีวโมกุล.
Ano: 2014 URL: http://anchan.lib.ku.ac.th/agnet/handle/001/5753
Registros recuperados: 8
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