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That paper deals with the studies on the distributiou of fucose in the frond of cul-tivated Laminaria japonica on the methods for isolating fucoidan from the alkali--coagu-lants--the waste residue from the comprehenesive utilization of Laminaria.
本工作研究了我国人工养殖的海带叶片中褐藻糖的分布，及海带综合利用工业的废料碱凝沉物中褐藻糖胶的存在量和分离条件。
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The radical scavenging activity of Laminaria japonica pigments was studied by the DPPH2,2-Diphenyl~(-1-picrylhydrazylassay. The total pigments showed a strong DPPH radical scavenging activity of 65.819% with the concentration of 0.52mg.ml~(-1). The DPPH radical scavenging activity of fucoxanthin was 19.85% with the concentration of 0.27mg.ml~(-1). The antimicrobial activity of pigment in Laminaria japonica was studied by the method of round paper. The results showed that the pigment extracts have activity against Escherichia coli, Pseudomonas aeruginosa, Saricina flava and Saccharomyes cerevisia. The antibacterial activity of total pigments for Saccharomyes cerevisia was the strongest with an inhibition diameter of 18.9 mm; and the antibacterial activity of fucoxanthin for Saricina flava was also much significant with an inhibition diameter of 10.2 mm.
测定了它们对自由基的清除率和对四种细菌的抑菌效果，研究结果表明，总色素和褐藻黄素的浓度与自由基清除率成正比，当总色素浓度为0.52mg.ml~(-1)时，清除率达到65.819%，高于陆生植物黑米色素和紫甘薯色素；当褐藻黄素浓度为0.27mg.ml~(-1)时，自由基清除率达到19.85%，低于紫苏色素、紫甘蓝色素、黑米色素、紫甘薯色素；对大肠杆菌、绿脓杆菌、八叠球菌、金黄葡萄球菌的抑菌实验结果显示，海带总色素对金黄葡萄球菌的抑菌活性最强，抑菌圈直径为18.9mm；褐藻黄素对八叠球菌的抑菌活性相对较强，抑菌圈直径为10.2mm。
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This indicated that the composition of epiphytic bacteria on Laminaria was related to interaction of bacteria and their hosts. These special epiphytic strains may play essential effect on the growth of Laminaria.
更说明藻际环境中外生细菌的组成是海带与细菌相互作用和选择的结果，这些特殊的菌株可能在海藻正常生长发育过程中起重要作用的。
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Laminaria：海带属
) 是褐藻门(Phaeophyta) 海带目(Laminariales) 海带科(Laminariaceae) 海带属(Laminaria) 的一种大型海藻. 它的大部分生物活性和其主要成分多糖密切相关. 近年来,有关海带多糖类的化学结构、生物活性、应用及其在医学和药用价值等方面的研究都取得了很大进展.
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Laminaria：昆布
有些藻类可以食用 (如蓝绿藻的发菜 (Nostoc),褐藻的昆布(Laminaria) 和群带菜,红藻的头发菜 (Bangia)、紫菜 (Porphora)、龙须菜(Gracilaria) 和菩提藻 (Grateloupia) ,有些大型海藻可以当饲料,有些褐藻可以当肥料.
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Laminaria：海带
转载海带(Laminaria)养殖品种遗传多样性的RAPD分析摘要 所属专业:水产养殖本研究以四个海带(Laminaria)养殖群体为研究对象,采用RAPD分子标记技术对四个群体的遗传结构进行了研究,分析了各群体内的遗传变异、遗传多样性,
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Laminaria：昆布属
lamina propia 固有层 | Laminaria 昆布属 | lamp shell 海豆芽
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Laminaria Digtatitat：海藻萃取液 柔软肌肤、提升肌肤免疫力、加强肌肤弹力与光泽
Lactic Acid 乳酸 角质软化及保湿作用 | Laminaria Digtatitat 海藻萃取液 柔软肌肤、提升肌肤免疫力、加强肌肤弹力与光泽 | Laniline Alcohol 蜂蜡醇 天然油脂,可作为基质
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