Result: Eight compounds were isolated from ethanolic extract of the brown alga D.divaricata and their structures were identified as-torreyol,4β,5α-dihydroxycubenol,3-farnesyl-p-hydroxybenzioc acid,chromazonarol,fucosterol,phenyl acetylamine,4-hydroxybenzoic acid and n-hexadecanoic acid.

結(jié)果：從叉開網(wǎng)翼藻中分離得到8個(gè)化合物婷婷五月激情丁香，分別鑒定為-torreyol欧美456视频，4β，5-αdihydroxycubenol日韩欧美一区二区中文字幕黄色视频，3-farnesyl--phydroxybenzioc acid国产中文福利，chromazonarol，巖藻甾醇免费A级毛片无码A∨中文，苯乙酰胺人人搞人人爽，4-羥基苯甲酸和正十六酸。

Water,butylene glycol,cyclomethicone,VP/VA copolymer,glyceryl stearate,glycerin,ppg-15 stearyl ether,titanium dioxide,propylene glycol,cetyl alcohol,citrus aurantium dulcisfruit extract,saccharide isomerate,biosaccharide gum-1,ethoxydiglycol,peg-40 stearate,glycyrrhiza glabraroot extract,morus bombycis root extract,potassium cetyl phosphate,phenoxyethanol,c12-20 acid peg-8 ester,triethanolamine,prunus amygdalus dulcis oil,carbomer,caprylyl glycol,caffeine,disodium edta,methylparaben,chondrus crispus,butylparaben,iris germanica root extract,pentadecalactone,sodium polyacrylate,ethylparaben,sodium hyaluronate,peg-8,propylparaben,citric acid,chlorhexidine digluconate,tocopherol,ascorbyl palmitate,ascorbic acid

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Contents and stability to air and heat treatment of Ascorbic acid and Dehydroascorbic acid in different common fruits was systematically studied in this paper.

分析測定了常見水果的還原型VC（Ascorbic acid免费裸体黄网站视频无码， AA）與氧化型VC（Dehydroascorbic acid大人看的网站， DHA）的含量，并研究了空氣和熱處理對(duì)其AA與DHA含量的影響美女网站视频国产精品。

U. S. EPA' s long carcinogenic test reported that dichloroacetic acid could induce hepatic cancer in rat and mice, and trichloroacetic acid could induce hepatic cancer in mice.

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By means of GPC,IR,GC-MS,~(13)CNMR,~1HNMR,Methylation analysisetc,structural properties of PST-1 were identified as follows:The Mwof PST-1 was 3.44×10~6 Da and its optical rotation was _D~(20)=+0.110°(c0.1, H_2O); PST-1 constituted 8 simple sugars and the molar ratio was 2,4-Dimethoxy-Mannose:Rhamnose:Ara-binose:Xylose:Galactose:D-Galacturonic acid:Mannose:D-glucuronic acid=2%:5%:24%:9%:3%:1%:46%:10%;The chief bone of PST-1 was 1,3,6-linked-β-D-Man residue and the side chains contained Furanoid and Pyranoid residues.

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And Essential oil, Tridecanoic acid 59.08%, 9 ,12-Octa-decadienoic aicd-4.43%, Oleic acid 4.04%, Heneicosane 3.18% with a high level and etc. Clinical application of medical and natural resources development to provide a scientific reference.

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Six experimental stages were designed in our procedure, those are:(1) metabolite recovery and tested sample preparation: the metabolites were recovered by Amberlite XAD-2 absorption, followed by MeOH elution and solvent concentration;(2) antioxidant detection and strain selection: samples were quantitatively analyzed by the inhibition effects on formation of lipid peroxides and TBARS to screen the strains able to produce antioxidants. According to the established screening methods, we chose out a strain of actinomycetes, designed as AMBL-029C;(3) antioxidant purification: the fermentation broth was recovered by a series of separation techniques including centrifugation, Amberlite XAD-2 absorption, followed by MeOH elution and a successive TLC purification. The resulting primary purified compound [temperately designed as AMBL-029C-TS] was further analyzed by HPLC to monitor its purity;(4) physical-chemical characteristics: judging from the acid-base fractionation experiments, and the pH and temperature stability tests, the compound was deduced to be a acidic compound with the properties of low polarity and highly pH and temperature stable;(5) mechanism of the antioxidant: in comparison with some other known antioxidants, TS was subjected to investigate its antioxidant mechanism, together with BHT,-tocopherol, as well as two streptomyces metabolites, homogentisic acid and -phenylpyruvic acid, which were previously isolated as the natural antioxidants in our laboratory.

針對(duì)本實(shí)驗(yàn)?zāi)康墓艺媸德拙识园自谙咄荆覀冊O(shè)計(jì)了以下的實(shí)驗(yàn)步驟﹔（1）二次代謝物回收及檢測樣本處理：我們將發(fā)酵所得的培養(yǎng)上清液，利用疏水吸附性樹酯Amberlite XAD-2吸附回收chao碰，并以甲醇溶離及真空減壓濃縮脫水等方式處理性欧美lx╳lx╳，以取得提供抗氧化活性篩選之檢測樣本；（2）抗氧化活性檢測及菌種篩選：以「過氧化脂質(zhì)」和「硫丙二醯尿」的生成量進(jìn)行定性定量分析以作為抗氧化物質(zhì)生產(chǎn)菌篩選之用日韩在线电影网中文字幕；經(jīng)此篩選程序www.欧洲视频在线，我們選獲了具有抗氧化物質(zhì)高生產(chǎn)力的菌株，命名為AMBL-029C黄色网站视频污污污黄色；（3）抗氧化物質(zhì)的分離純化：針對(duì)生產(chǎn)菌株的發(fā)酵回收處理液国产羞羞涩涩午夜视频，以矽膠薄層色層分離法經(jīng)物質(zhì)層析純化后，并以高效能液相層析法(High performance liquid chromatography欧美男女性潮免费福利看；HPLC)分析物質(zhì)可得一初級(jí)純化物質(zhì)人看看人人摸人人操，命名為AMBL-029C-TS；（4）抗氧化物質(zhì)的物理化學(xué)性質(zhì)分析：由酸堿轉(zhuǎn)溶（acid-base fractionation）實(shí)驗(yàn)得知青青青手机视频在线，此抗氧化物質(zhì)屬於中低極性的強(qiáng)酸性物質(zhì)99久久国产一级特片无码，對(duì)溫度（37℃-100℃）及酸堿度（pH3.0-13.0）均表現(xiàn)出高穩(wěn)定性；（5）在抗氧化機(jī)制探討方面欧美性视品，我們針對(duì)數(shù)種不同的抗氧化機(jī)制進(jìn)行探討起碰在线免费视频，即： 1。

Accordingly, the 16-carbon acid with one double bond is hexadecenoic acid and has the trivial name palmitoleic acid.

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The main results are as following:(1) Arabidopsis in planta transformation were made by Agrobacterium tumefaciens carrying the activation tagging vector pSKI015 with herbicide-resistant Bar gene as a selective marker. About 12 000 independent transformant lines were acquired by the above method, from which two mutants related to plant defense response and development, asr1 (auxin and .salicylic acid responsive 1.) and dai1 (brought tolerant and obscisic acid insensitive 1) were isolated.

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Ursolic acid (UA; 3-β-hydroxy-urs-12-en-28-oic acid), a constant constituent of Rosmarinus officinalis extracts, is a triterpenoid compound which has been shown to have antioxidant and anticarcinogen properties.

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