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剑叶耳草中的1个新咖啡酸苷化学成分及其抗肿瘤活性
茜草科 剑叶耳草 剑叶耳草苷A 坡模酸 3α 19α-二羟基-12-烯-24 28-乌苏酸 细胞毒性
2020/1/2
目的 研究剑叶耳草Hedyotis caudatifolia的化学成分。方法 采用硅胶、聚酰胺、Sephadex LH-20凝胶等柱色谱技术进行分离纯化，通过化合物的核磁共振、质谱等光谱数据和理化性质鉴定其结构。结果 从剑叶耳草的甲醇提取物中分离得到10个化合物，其结构分别鉴定为剑叶耳草苷A（1）、β-谷甾醇（2）、5α-豆甾烷-3，6-二酮（3）、7-羟基-6-甲氧基香豆素（4）、齐墩果酸（5）...
目的：了解中国北方3县妊娠早、中期妇女血锰浓度，分析血锰水平的影响因素。方法：2010年4月至9月在山西省榆社县和代县、河北省香河县调查273例妊娠早、中期妇女，面对面问卷调查收集妇女一般人口学特征、室内燃煤污染暴露以及膳食摄入等信息，并采集其空腹静脉血，用电感耦合等离子质谱法（inductively coupled plasma mass spectrometry，ICPMS）检测血锰浓度。用...
Rapid standardized enteral feeding strategy in preterm infants: is it safe?
Rapid standardized feeding strategy preterm infants safe
2018/11/19
Necrotizing enterocolitis (NEC) is a devastating gastrointestinal disease, which is life-threatening for preterm infants. NEC affects ～3–10% of all very-preterm infants (born at <32 wk of gestation) a...
Nut and peanut butter consumption and the risk of esophageal and gastric cancer subtypes
nut peanut butter esophageal cancer gastric cancer
2018/11/16
Background: Nut consumption has been associated with decreased risk of colorectal, endometrial, lung, and pancreatic cancers. Polyphenols, fiber, vitamins, and minerals in nuts may confer this observe...
Prebiotic supplementation improves appetite control in children with overweight and obesity: a randomized controlled trial
pediatric obesity appetite prebiotic dietary fiber oligofructose-enriched inulin
2018/11/13
Background: Prebiotics have been shown to improve satiety in adults with overweight and obesity; however, studies in children are limited.
2013年云南省市售特色食品中细菌性污染情况调查
特色食品 细菌性污染 食源性致病菌 云南
2016/12/3
调查云南省市售特色食品中细菌污染状况。 方法 采用国家标准规定的检测方法,对2013年云南省4个有代表性的州市市售特色食品进行卫生指标菌和常见食源性致病菌检测,并用SPSS 19.0软件对测定结果进行分析。 结果 在10类食品的288份样品中卫生指标菌不合格率为56.50%,食源性致病菌总检出率为12.15%,均为散装产品；沙门菌主要来自凉拌生猪皮和凉拌食品,检出率分别为8.33%和3.13%；金...
Is it the drink or the drinker? Circumstantial evidence only raises a probability
drink drinker
2016/5/27
Many scientists accept the hypothesis that lower coronary
heart disease (CHD) risk among light drinkers, compared with
abstainers, represents a causal protective effect of alcohol. The
data support...
Consumption of foods high in dietary fiber has been associated
with lower risk of cardiovascular disease. As a consequence of this
epidemiologic observation, many clinical trials have been conducted...
The association between dietary saturated fatty acids and ischemic heart disease depends on the type and source of fatty acid in the European Prospective Investigation into Cancer and Nutrition–Netherlands cohort,
saturated fatty acids ischemic heart disease nutrition epidemiology follow-up studies
2018/11/27
Background: The association between saturated fatty acid (SFA) intake and ischemic heart disease (IHD) risk is debated.
Main achievements and challenges of the EFSA Scientific Committee since its inception
Risk assessment methodologies transparency quality cloning nanomaterials
2016/1/9
In about ten years of activity, the Scientific Committee of EFSA has been successful in addressing a number of challenging areas of increasingly complex nature related to scientific and procedural asp...
The role of EFSA in assessing and promoting animal health and welfare
Animal health animal welfare risk assessment
2016/1/9
This paper describes the overall achievements of the Animal Health and Welfare (AHAW) Panel of EFSA and its support unit since 2003. The AHAW Panel deals with animal health and animal welfare issues, ...
Risk assessment of biological hazards for consumer protection
Pathogens zoonoses food meat BSE/TSE risk assessment
2016/1/9
EFSA′s scientific Panel on Biological Hazards (BIOHAZ Panel) provides independent scientific advice on biological hazards in relation to food safety and food-borne diseases. This covers food-borne zoo...
Risk assessment of contaminants in food and feed
CONTAM Panel risk assessment contaminants human health animal health
2016/1/9
The EFSA Panel on Contaminants in the Food Chain (CONTAM Panel) carries out risk assessment on contaminants in food and feed. The presence of hazardous chemical contaminants or undesirable substances ...
Ten years of EFSA’s FEEDAP Panel and its main achievements
Feed additives efficacy safety guidance
2016/1/9
The inauguration of the Panel on Additives and Products or Substances used in Animal Feed (FEEDAP) early in 2003 coincided with the introduction of new and extensively revised legislation in the form ...
Food additives and nutrient sources added to food:developments since the creation of EFSA
Risk assessment methodologies transparency quality food additives nutrient sources
2016/1/9
During the ten-year period since the creation of EFSA, two scientific panels of EFSA, the former Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (AF...