Along with the increased of the content of BA, then the content of anthocyanin decreased gradually.

7蔗糖濃度是影響紅檵木葉片內(nèi)花色素苷含量的重要因素97福利国产大黄片，隨著蔗糖濃度的升高精品国产AV天天更新，葉片中花色素苷的含量逐漸升高欧美日韩精品精品区，但升高的幅度逐漸降低五月丁香天天色综合。

The chemical mechanism for the expression of flower color is the ratio of different type of pigments in petals; the anatomic and optical mechanism for the expression of flower color are the dimensional distribution of the pigments in petals and their effects on light; and the physiological mechanism are the pH of cell sap of petal, the developmental stage and the endogenous hormones of flower.

花色素的存在及其變化是植物花色表現(xiàn)的化學(xué)機(jī)制日韩毛片一区二区免费，色素在花瓣中的空間分布及其對(duì)光的作用是花色表現(xiàn)的解剖學(xué)和光學(xué)機(jī)制，細(xì)胞液pH值男人天堂网址在线、花發(fā)育階段和植物激素是花色表現(xiàn)的植物生理學(xué)機(jī)制国产在线污视频。

This paper probes into the extraction of the pigment from mirabilis jalapa and its stability.

文章對(duì)紫茉莉花色素的提取及其穩(wěn)定性進(jìn)行了研究，主要是通過(guò)蒸餾水提取色素高清一级做a爱过程免费，用分光光度法測(cè)定其吸光度值欧美黄片AAAAAAAAAA，從而來(lái)判斷紫茉莉花的穩(wěn)定性及影響因素。

Reasonable evidence suggests that the anthocyanidin/proanthocyanidin moieties are potent antiadhesion compounds.

合理的證據(jù)表明花色素/原花色素成分是潛在的抗粘附的復(fù)合物亚洲一区精品无码色。

Anthocyanidin extract in methanol showed 3 absorption peaks, at 270, 340 and 520 nm, in the UV-vis spectrum, with bathochromic and hypsochromic shift with methanol+AlCl3 and methanol+AlCl3+HCl, respectively; the ratio of the absorbance at 440 nm to that at 520 nm was 0.29. No fluorescence occurred under UV irradiance, and 5 absorption peaks occurred at 270 nm after HPLC. Five molecular ion peaks occurred on MS: 595, 381, 611, 587 and 571, respectively, and monosaccharides in the extract were identified as rhamuose and glucose on HPLC.

一品紅花色素的甲醇溶液分別在270午夜影院三级免费视中文字幕乱级、340 和520 nm 處有 3 個(gè)吸收峰；在 440 nm 吸光度與可見(jiàn)光最大吸收波長(zhǎng) 520 nm 吸光度的比值為0.29欧美黄页在线观看；花色素的甲醇溶液中加入AlCl3后發(fā)生紅移艹屄国内精品流，再加入HCl后發(fā)生藍(lán)移；色素溶液在紫外光下無(wú)熒光日本熟妇乱人伦A片高清；色素樣品經(jīng)液相色譜分離后在 270 nm檢測(cè)有 5 個(gè)比較明顯的吸收峰国产欧美三级；質(zhì)譜中得到 595、611玖玖爱艹婷婷久久、381曰木男女一级A片免费视频、571 和 589 等對(duì)應(yīng)的分子離子峰cao99；花色素酸解液高效液相色譜圖譜和鼠李糖、葡萄糖的出峰時(shí)間一致亚洲视频欧美视频在线观看。

The results showed that the red pigment belonged to anthocyanidin, it was soluble in water, stable against heat treatment, light, acid and sugar concentration, tolerant to reduction, but sensitive to alkaline, oxidation and Fe(superscript 3+). The research also showed that acid medium is favorable for extraction. The pigments have more general stability in acid medium and have high ufility value.

結(jié)果表明：該色素為水溶性多酚類花色素精品自拍自产一区二区三区高清，在不同的pH環(huán)境下顯示不同的顏色；其耐熱性欧美老妇肥BBBB另类、耐光性丝袜足交美腿、耐酸、耐糖精品视频色、耐還原性較好日本黄色视频在线免费观看，但耐氧化性、耐堿性較差日本色色免费；Fe(上標(biāo) 3+)對(duì)色素有破壞性国产AV黄色污；該色素的提取宜在酸性介質(zhì)中進(jìn)行久久对白，酸性條件下其綜合穩(wěn)定性較優(yōu)国产Av视频大全，有較高的利用價(jià)值。

The results showed that the red pigment belonged to anthocyanidin,it was soluble in water,stable against heat treatment,light,acid and sugar concentration,tolerant to reduction,but sensitive to alkaline,oxidation and Fe~(3+). The research also showed that acid medium is favorable for extraction.The pigments have more general stability in acid medium and have high ufility value.

結(jié)果表明：該色素為水溶性多酚類花色素日韩不卡在线视频，在不同的pH環(huán)境下顯示不同的顏色日韩性生活网；其耐熱性、耐光性欧洲黄色在线播放视频、耐酸加勒比东京热久久香蕉、耐糖、耐還原性較好一级黄片观看，但耐氧化性在线免费观看av大全、耐堿性較差；Fe3+對(duì)色素有破壞性26uuu国产精品；該色素的提取宜在酸性介質(zhì)中進(jìn)行高清国产一级婬片A片免费，酸性條件下其綜合穩(wěn)定性較優(yōu)，有較高的利用價(jià)值一极一黄一区。

Four different catechin content cultivars were selected from our tea germplasm appraisal database to assay the gene expression level of the seven genes, flavonol synthase, dihydroflavonol-4-reductase, leucoanthocyanidin reductase, anthocyanidin synthase, etc, which were involved in the flavonoids biosynthesis. The result showed that, the DFR and LAR transcripts were expressed increased with the increasing of tea catechin contents. Nevertheless, the others did not show this tendency clearly.

利用半定量PCR技術(shù)檢測(cè)總兒茶素含量不同的4個(gè)茶樹(shù)品種中與類黃酮合成相關(guān)的黃酮醇合成酶av在线免、二氫黃酮醇－4-還原酶、無(wú)色花色素還原酶日批视频免费看40分钟、花色素合成酶等7個(gè)基因的表達(dá)情況三级毛片网站在线免费进入，結(jié)果表明DFR和LAR基因的表達(dá)量與茶樹(shù)中總兒茶素含量呈一定的相關(guān)性，而其他基因則與其相關(guān)性不大在线播放免费黄色网站。

These results suggest that anthocyanidin in E. pulcherrima mainly include cyanidin 3-rutinoside, delphinidin 3-rutinoside, cyanidin 3- benzoylglucoside, delphinidin 3-benzoylglucoside and an unknown component.

由這些結(jié)果可推斷一品紅花色素樣品中主要含有 5 種組分：矢車菊花色素蕓香苷免费黄色片你懂的、飛燕草花色素蕓香苷、飛燕草花色素苯甲?1日产国自拍；咸擒?1天色、矢車菊花色素苯甲鹾谌舜笳脚访朗悠蹬臼悠担基葡糖苷和一種未知成分。

The extraction and stability of the pigments in Tussilago farfara L. were studied. The experimental results showed that the pigments could be solved in acetone. The stability of the pigments is good when pH is within 3~9; the oxidizing agents, reducing agents and common food additives have little influence on its stability; it is react too much with Fe(superscript 3+) ion, and Na(superscript +) ion showed a certain increment effect on the color; the heat performance of the pigments is good when under 60℃.

研究了款冬花色素的熱穩(wěn)定性欧美人妻少妇精品视频一区、氧化還原穩(wěn)定性和pH值穩(wěn)定性亚洲久操视频网，并對(duì)常用的幾種食品添加劑對(duì)款冬花色素的穩(wěn)定性進(jìn)行了探討，結(jié)果表明：款冬花色素易溶于丙酮免费的国产黄网站和视频，屬于脂溶性色素爆乳人妻无码不卡二区；在pH＝3～9時(shí)，款冬花色素的穩(wěn)定性較好一级毛片视频免费入口；氧化還原劑及食品添加劑對(duì)其穩(wěn)定性影響不大干美女阴部视频一区,二区，F(xiàn)e(上標(biāo) 3+)金屬離子對(duì)其影響顯著，Na有增色作用久久AAAA级黄色视频；水浴溫度在60℃以下色素的熱穩(wěn)定性較好天天摸天天摸色综合舒服网。

anthocyan：花色素

anthesis開(kāi)花 | anthocyan花色素 | anthocyanase花色素酶

anthocyan：花青素;花色素

anthochlor 花黃素 | anthocyan 花青素;花色素 | anthocyanidin 花青素;花色素

anthocyan pigments：花色素

anthocyan花青素,花色素類 | anthocyan pigments花色素 | anthocyanagen花色素原

Anthocyanin：花青苷,花色素苷

anthocyanidin花青素 | anthocyanin花青苷,花色素苷 | anthracene蒽

anthocyanin;anthocyans：花色素苷;花青素苷

anthocyanidin花色素;花青素 | anthocyanin;anthocyans花色素苷;花青素苷 | anthonypig未發(fā)育成熟的小豬;乳豬

anthocyanidin：花色素

7花色素和花色素苷 7.1概述 7.1.1花色素種類 花色素(Anthocyanidin)亦稱"花青素",均指不帶有糖苷母體,接上各種糖苷基后,則稱為花色素苷或花色苷(anthocyanin),是花色素衍生物,花色素苷經(jīng)水解后成為花色素.在自然界中所呈現(xiàn)萬(wàn)紫千紅顏色,

anthocyanidin：花青素;花色素

anthocyanase 花色素酶 | anthocyanidin 花青素,花色素 | anthocyanin 花青苷,花色素苷

anthocyanidin aglycone：花色素配基

anthocyanidin花青素,花色素 | anthocyanidin aglycone花色素配基 | anthocyanin花色(素)苷;花青(素)苷

chrysanthemin：紫苑苷;菊色素(花色素之一)

chrysanthemaxenthin菊黃質(zhì) | chrysanthemin紫苑苷;菊色素(花色素之一) | chrysanthemum菊花

anthocyans：花色素類

anthocyanidin 花色素 | anthocyans 花色素類 | anthracene oil 蒽油