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- Phenol contents and browning in tissue culture of Pistacia vera L. 阿月浑子总酚含量与褐变关系研究。
- The regulation of phenol contents and its HPLC characteristic of Zizyphus jujuba Mill, Vitis vinifera L. and Pistacia vera L. were studied. 摘要该文研究了阿月浑子、枣树和红地球葡萄2年生叶片与组织培养苗叶片、愈伤组织酚类物质含量的变化并对其进行了HPLC分离特性的研究。
- The phenol contents in coal-tar are determined respectively by using themethods of al- kali increase and refraltive index. By comparision,the error is kept within 2%. 该法与碱增量法测定煤焦油中酚含量;做对比实验、其误差小于2%25.
- Sewage discharged from stripping tower, containing high strength phenol content, can bump against wastewater treatment plant. 炼油厂汽提废水含较高浓度的酚,会对污水处理场产生冲击。
- Results show that the main causes of low induction period of cracked naphtha are the high diene number and low phenol content. 结果表明，二烯值大、酚含量低是加氢渣油催化裂化汽油诱导期短的主要原因。
- A high phenolic content gives a tea with a high color. 酚类含量高的茶颜色深。
- The results showed that: phenol contents have interrelation with browning.The phenol content in callus is higher than that of their shoot and this is the reason why callus is easy browing. 结果表明：酚类物质的含量与组织培养过程中外植体的褐变有一定的正相关性，愈伤组织酚类物质含量普遍高于相应的组培苗叶片，酚类物质是促使愈伤组织易于褐变的主要原因之一。
- Abstract The regulation and the relationship of PPO actvity phenol contents and browning ratio in vitro of Comgxili (Pyrus pyrifolia Nakoi) and Jin hua (P bretshneideri Rehd) explants were studied. 梨外植体组织培养无病毒苗木是目前栽培苗木的主要来源，但是在培养过程中常由于褐变严重而造成材料溃烂，使组培成活率低。
- The antioxidant of anthocyanins was studied by the inhibition ability on DPPH and scavenging ability on hydroxyl radical.The relationship between the antioxi-dant and the phenol content was discussed. 通过花色苷对DPPH自由基的抑制作用和对羟自由基的清除作用,比较了花色苷的抗氧化性能的活性,考察了花色苷的总酚含量与抗氧化性能的关系。
- Wild grape has the characteristics as follows :high acid content ,high tannin content ,high phenol content ,more dry ex-tracts and nutritional components,low sugar content ,and low juicing output. 山葡萄具有酸高、单宁多酚高、干浸物多、营养成分高和糖低、出汁率低的特点,主要产于东北、西北、西南地区。
- Phenols contents in the core was 2.7 times higher than that in the flesh. 分析表明;鸭梨果心有较高的底物含量;约为果肉的2.;7倍。
- The apples and grapes had about the same phenol content, while the purple grape juice had 2.5 times more phenols than apple juice. 苹果和葡萄的石碳酸含量是大概相等的，但是紫葡萄汁所含的石碳酸含量是苹果汁的2.;5倍。
- Aromatics--Determination of phenol content GB/T14454.;11-1993香料含酚量的测定
- The phenomenon of browning from core to flesn was related to the difference of phenols contents in these two parts. 鸭梨褐变一般从果心开始发展到果肉,与酚类含量有关。
- The phenolics content in the pericarp of apple-pear decreases and the browning level increases during storage. 贮藏过程中，苹果梨果皮酚类物质含量降低，褐变程度加深。
- The total phenolics content in leaves was highest when extracting by methanol other than different solvents. 在不同溶剂萃取中，叶片总酚类化合物以甲醇萃取有最高的含量。
- Excessive maceration is involved, as skins need to be sluiced and therefore increases dissolved oxygen and phenolic content in wines. 因为浸渍极其柔和，酚的浸提程度达到了最小化。
- Pirie A,Mullins M G.1976.Changes in anthocyanin and phenolic content of grapevine leaf and abscisic acid.Plant Physiology,58:468-472. 李合生;孙群;赵世杰;章文华.;1999
- Teaching content should be concise. 教学内容要少而精。
- It is a kind of correct as well as rapid way to determine the total phenols content in tobacco leaves by means of Folin method. 用福林法测定烟叶中总酚的含量是一种既正确又快速的方法。
