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Kayo Hanafusa, Hiroki Murakami, Takuya Ueda, Erika Yano, Nobuhiro Zaima, Tatsuya Moriyama
The levels of food allergens in worm-wounded or non-wounded green soybeans (edamame) and mature soybeans were investigated by immunoblotting and enzyme-linked immunosorbent assay (ELISA), using allergen-specific antibodies. Non-wounded and worm-wounded soybeans showed similar total protein profiles after Coomassie brilliant blue staining, but some protein bands were observed to have been changed by worm wounding. Immunoblotting with specific antibodies for major soybean allergens (Gly m 5, Gly m 6, Gly m Bd 30 K, and Kunitz soybean trypsin inhibitor) revealed that protein band profiles and intensities were not significantly changed by worm wounding...
April 2, 2018: Bioscience, Biotechnology, and Biochemistry
Long Yan, Nicolle Hofmann, Shuxian Li, Marcio Elias Ferreira, Baohua Song, Guoliang Jiang, Shuxin Ren, Charles Quigley, Edward Fickus, Perry Cregan, Qijian Song
BACKGROUND: Soybean seed weight is not only a yield component, but also a critical trait for various soybean food products such as sprouts, edamame, soy nuts, natto and miso. Linkage analysis and genome-wide association study (GWAS) are two complementary and powerful tools to connect phenotypic differences to the underlying contributing loci. Linkage analysis is based on progeny derived from two parents, given sufficient sample size and biological replication, it usually has high statistical power to map alleles with relatively small effect on phenotype, however, linkage analysis of the bi-parental population can't detect quantitative trait loci (QTL) that are fixed in the two parents...
July 12, 2017: BMC Genomics
J L Blount, G D Buntin, A N Sparks
Megacopta cribraria (F.) (Hemiptera: Plataspidae) is an Old World pest of legumes in Asia. Since its 2009 discovery in Georgia, it has become an economic pest of soybeans in the southeastern United States. The objective of this study was to determine the host preference of M. cribraria on edible legumes that might incur economic damage from injury of this pest. From 2012 to 2013 choice, no-choice, and field trials were conducted to evaluate the host suitability of several beans of commercial interest including pinto bean, lima bean, winter pea, and black-eyed pea...
June 2015: Journal of Economic Entomology
Yanqing Zang, Liping Zhang, Kiharu Igarashi, Changqing Yu
The present study investigated the anti-obesity and anti-diabetic effects of kaempferol glycoside (KG) fractions which were composed of four kaempferol glycosides and purified from unripe Jindai-soybean (Edamame) leaves in C57BL/6J mice. High fat-fed mice treated with 0.15% dietary KG for 92 days had reduced body weight, adipose tissue and TG levels compared to the high fat-fed control group. KG-treatment also decreased fasting blood glucose, serum HbA1c (hemoglobin A(1c)) levels and improved insulin resistance...
March 2015: Food & Function
Hiroki Iriyama, Mikiro Kato, Masao Nogami, Yasuharu Tokuda
No abstract text is available yet for this article.
October 17, 2014: BMJ Case Reports
Yukiko Takahashi, Tsuneo Sasanuma, Toshinori Abe
We studied the effects of drying of immature seeds of vegetable soybean (Glycine max L. Merrill) on the accumulation of gamma-aminobutyrate (GABA) in the seeds. GABA accumulated after heat-drying, with the maximum at 40°C. The GABA content (447.5 mg/100 g DW) increased to more than 5 times the value in untreated seeds (79.6 mg/100 g DW). In contrast, the glutamate content decreased rapidly to 1/3 the level in the untreated seeds. The GABA content increased early in the heat-drying treatment: after 30 min, it had increased to 1...
June 2013: Breeding Science
Jae Won Lee, Takato Uchikata, Atsuki Matsubara, Takuji Nakamura, Eiichiro Fukusaki, Takeshi Bamba
A metabolomics technology for lipid profiling based on supercritical fluid chromatography (SFC) coupled with mass spectrometry (MS) was applied to analyze lipids of soybean. Principal component analysis (PCA) was used to discriminate twelve soybean cultivars according to their suitability for different processed foods such as natto, tofu, edamame, and nimame. By PCA assay, triacylglycerol (TAG) was found as the main variable for discrimination of soybean cultivars. Therefore, a high-throughput and high-resolution TAG profiling method by SFC/MS was developed to more effective discrimination...
February 2012: Journal of Bioscience and Bioengineering
Yanqing Zang, Hideyo Sato, Kiharu Igarashi
The anti-diabetic effects of a kaempferol glycoside-rich fraction (KG) prepared from leaves of unripe Jindai soybean (Edamame) and kaempferol, an aglycone of kaempferol glycoside, were determined in genetically type 2 diabetic KK-A(y) mice. The hemoglobin A(₁c) level was decreased and tended to be decreased by respectively feeding KG and kaempferol (K). The area under the curve (AUC) in the oral glucose tolerance test (OGTT) tended to be decreased by feeding K and KG. The liver triglyceride level and fatty acid synthase activity were both decreased in the mice fed with KG and K when compared to those parameters in the control mice...
2011: Bioscience, Biotechnology, and Biochemistry
Masahiro Sugimoto, Hajime Goto, Kazuko Otomo, Masanori Ito, Hiromi Onuma, Asako Suzuki, Maki Sugawara, Shinobu Abe, Masaru Tomita, Tomoyoshi Soga
Its high nutritional content and sensory characteristics make edamame a popular vegetable bean. However, because of its short shelf-life, it is important to optimize the storage conditions to maintain its quality during distribution to consumers. We focused on storage conditions to investigate the temporal changes in the metabolic profiles and sensory characteristics of edamame during transportation from the site of harvest to the site of purchase/consumption. We conducted metabolomic analysis and sensory evaluation tests of edamame stored for different lengths and at different temperatures...
July 28, 2010: Journal of Agricultural and Food Chemistry
Fulya Baysal, Maria-Soledad Benitez, Matthew D Kleinhenz, Sally A Miller, Brian B McSpadden Gardener
Transitioning farmland to certified organic vegetable production can take many paths, each varying in their costs and benefits. Here, the effects of four organic transition strategies (i.e., tilled fallowing, mixed-species hay, low-intensity vegetables, and intensive vegetable production under high tunnels), each with and without annual compost applications for 3 years prior to assessment, were characterized. Although transition cropping strategies differed in soil chemistry (P < 0.05), the magnitude of the changes typically were marginal and pairwise comparisons were rarely significant...
May 2008: Phytopathology
Seiichi Ishikawa, Eri Naetoko, Seiji Kawamura, Rika Yamaguchi, Masayuki Higuchi, Tsutomu Kojima, Yasuhiro Yamato, Masaki Takahashi
We investigated 160 kinds of pesticide residues in 715 samples of 116 kinds of foods distributed in Kitakyushu city. Sixty kinds of pesticides were detected in 55 kinds of foods (204 samples) in the range of 0.002-22 mg/kg. Five kinds of pesticides in 7 samples violated the residue standards and the indication of "unused". The detection ratios of unregulated pesticide in domestic and imported foods were 27.8 and 33.0%, respectively. Iprodione, dicofol, diethofencarb, procymidone and chlorfenapyr (for domestic food) and total bromine, benomyl, chlorpyrifos, dicofol, fenvalerate, cypermethrin and dimethoate (for imported food) showed relatively high detection ratios...
April 2004: Shokuhin Eiseigaku Zasshi. Journal of the Food Hygienic Society of Japan
Qingli Wu, Mingfu Wang, William J Sciarappa, James E Simon
High-performance liquid chromatography coupled with ultraviolet and electrospray ionization mass spectrometry (HPLC/UV/ESI-MSD) was applied to the study of isoflavones in both Edamame and Tofu soy varieties, from which the immature fresh soybeans or the mature soybean seeds are consumed, respectively. Positive atmospheric pressure interface (API) MS and MS/MS were used to provide molecular mass information and led to the identification of a total 16 isoflavones, including three aglycones, three glycosides, two glycoside acetates, and eight glycoside malonates...
May 19, 2004: Journal of Agricultural and Food Chemistry
A H Simonne, M Smith, D B Weaver, T Vail, S Barnes, C I Wei
Isoflavones and carotenoids in four experimental genotypes and Hutcheson cultivar soybeans were evaluated as a function of processing treatments and maturity. Total isoflavone and carotenoid contents were affected by genotypes and maturity stages (p < 0.0001). Total isoflavones ranged from 472 microg/g (in NTCPR93-40) to 2280 microg/g (in Hutcheson). Lutein contents ranged from 895 (in NTCPR93-286) to 2119 (in Honey Brown), and beta-carotene ranged from 291 (in Hutcheson) to 491 (in NICPR92-40) microg/100 g...
December 2000: Journal of Agricultural and Food Chemistry
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