利用95%的乙醇对蜂胶润喉片中黄酮类化合物进行提取、采用分光光度法进行含量分析，蜂胶润喉片中黄酮类化合物的含量达0.68%。
Flavonoids in propolis throat tablet was extracted by 95% ethanol, and then the content was detected with spectrophotometry. The content of flavonoids in propolis throat tablet was 0.68%.
方法采用分光光度法对银杏叶提取物中的主要成分黄酮类化合物的含量进行测定。
Methods the content of flavonoids, the main effective components in Ginkgo capsule was determined by UV method.
以番茄为材料，采用分光光度法对其根、茎、叶、果实的原花色素含量进行测定研究，并对提取条件进行优化。
Using tomato plants as materials, the content of oligomeric proanthocyanidins in their roots, stems, leaves and fruit were determined by a spectrophotometer method.
方法采用纯物理的工艺流程过程和紫外线分光光度法从生姜中提取黄酮类物质，对所提取的黄酮类物质进行验证。
MethodsUse purely physical process flow and spectrophotometry to introduce the method of which extracted the flavanone from the gingers, and check the flavanone which extracted from the Lotus rhizome.
以黄芩甙为标样，对云南松花粉中黄酮类化合物采用甲醇回流提取，用紫外分光光度法进行测定。
Using baicalin as the standard sample, the flavone substances in pollen of Yunnan pine were determined through methyl alcohol back flow extraction and ultraviolet spectrophotometer.
方法：通过对重楼地上部分进行初步开发实验研究，并采用紫外分光光度法对提取产物进行测定。
Methods: an experimental research was made to the primary development of the ground parts of Rhizoma paridis and an ultraviolet spectrophotometry was used to determine its extract.
本文采用单因素试验，运用紫外分光光度法作为黄芩苷的分析方法，对黄芩苷的水提工艺的影响因素进行了考察，并在此基础上进行正交实验，优化提取工艺参数。
The effects of several influential factors on the water extraction of baicalin were investigated by single factor experiment using UV-spectrometry for the determination of baicalin content.
方法：以乙醇为溶剂，采用超声提取的方法对蜂胶中的总黄酮进行提取，利用紫外-可见分光光度法对总黄酮的含量进行测定。
Methods: Ethanol as solvent, using ultrasonic extraction method of total flavonoids in propolis extracted using ultraviolet-visible spectrophotometry of total flavonoids were determined.
方法采用纯物理的工艺流程过程和分光光度法从淡竹叶中提取黄酮类物质，对所提取的黄酮类物质进行验证。
Methods Pure physical process flow and spectrophotometry were used to extract flavones from Lophatheri Gracilis and validate the extracted flavones.
长穗柽柳；总黄酮；分光光度法；提取工艺。
Study on Extraction Technology of Total Flavonoids Contents in Tamarix elongate Ldb.
采用碱裂解法与DEAE -纤维柱层析法提取与纯化抑制素质粒dna，用分光光度法测定其浓度和纯度。
The inhibin plasmid DNA was extracted and purified by alkaline lysis method and DEAE-fiber column chromatography and its concn.
方法采用咔唑硫酸分光光度法直接测定果胶提取液中的果胶含量，测定结果再用校正因子校正。
Methods The pectin content in pectin extract was determined directly by carbazole and sulphuric acid spectrophotometric method, and the measurement was corrected by correction factor.
方法以分光光度法测定桑枝总黄酮，采用正交试验法对桑枝总黄酮超声提取工艺进行研究。
MethodsUltrasonic extraction technology was optimized by orthogonal test, and the content of total flavonoids was determined by spectrophotometry.
方法：采用改良CTAB法从忍冬叶片中提取DNA，通过琼脂糖凝胶电泳、紫外分光光度法、酶切检测其质量，并与常规CTAB法比较。
Method:Two different methods, conventional CTAB method and modified CTAB method, were applied to extract genomic DNA from leaves of Lonicera japonica Thunb.
采用电子自旋共振法(esr)、光敏化合物微生物法、光度法对白花丹提取物的抗氧化性能进行了检测。
Test is made to antioxidation activity of extracts of Plumbago Zeyanica L. by ESR method, photosensitized compound microbiological method and photometric method.
方法采用纯物理的工艺流程过程和分光光度法从竹叶中提取黄酮类物质，对所提取的黄酮类物质进行验证。
MethodsPurely physical process flow and spectrophotometry were used to extract and check the flavanone of the leaves of Phyllostachyspubescens.
方法：转篮法，以对乙酰氨基酚为溶出指标，用紫外分光光度法检测，提取参数，并对参数进行相关性分析。
METHODS: By using circle basket test with paracetamol as the dissolution index, detected by UV, to abstract parameters and make correlation analysis.
方法采用纯物理的工艺流程过程和分光光度法从茶叶中提取黄酮类物质，对所提取的黄酮类物质进行验证。
Methods A purely physical technological process and a spectrophotometry were used to extract the flavones from folium Camelliae.
结论：紫外可见分光光度法简单、快捷、准确、灵敏，可作为测定余甘子叶提取物中总黄酮含量的方法。
Conclusions: the spectrophotometry is simple, fast, accurate, quickly and can be used as a method to determine total flavonoids in the extracts from Leaves of Phyllanthus emblica l.
方法分别采用高效液相色谱法和紫外分光光度法测定杭白菊提取物中活性成分及总黄酮含量。
METHODS UV and HPLC method were applied to determine total flavonoids and active components of extract from Chrysanthemi Flos.
前言：为了充分对生产法国玫瑰精油所产生的废水进行综合利用，本研究采用真空浓缩， 乙醇除杂等方法从该废水提取玫瑰红色素，并采用分光光度法对其稳定性进行了研究。
To make the full use of residual water formed in the process of rose essential oil distillation, red pigment was isolated from the water. The stability of the red pigment was studied.
在高效液相色谱方法测定落叶松中二氢槲皮素含量的基础上，对测定植物提取液中总黄酮含量的三种分光光度法的准确性进行比较。
The determination accuracy of flavonoids in larch using three kinds of spectrophotometry methods was compared on the basis of determination of dihydroquercetin in larch using HPLC.
用4-氨基安替比林比色法和紫外分光光度法对提取物的分析结果表明，DMPT在聚合反应或回流提取过程中已发生某种结构上的变化。
The results obtained by 4-aminoantipyrine colorimetric and U V spectrometric analysis show that the some change of the structure of DMPT occurred during the process o…
采用了水提、醇提及模拟胃酸浓度的酸提法对巴戟天药材进行提取，并用火焰原子吸收分光光度法分别对其中的金属元素含量进行了测定。
The content of metal elements in Morinda officinalis How was extract by water, alcohol and acid. And the content of metal elements in Morinda officinalis How determined was by AAS.
采用了水提、醇提及模拟胃酸浓度的酸提法对巴戟天药材进行提取，并用火焰原子吸收分光光度法分别对其中的金属元素含量进行了测定。
The content of metal elements in Morinda officinalis How was extract by water, alcohol and acid. And the content of metal elements in Morinda officinalis How determined was by AAS.
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