胀果甘草(Glaycyrrhiza inflat Bat)组织培养物的有效成分分析

对胀果甘草(Glaycyrrhiza inflat Bat)的愈伤组织培养及毛状根农杆菌介导的遗传转化进行了研究，并对培养物进行了甘草有效成分分析。结果表明，培养的愈伤组织及毛状根的薄层层析图谱与甘草药材的非常接近，其化学成分有相当的相似；在愈伤组织及毛状根中均含有甘草的主要有效成分甘草酸和甘草次酸；不同来源的愈伤组织中甘草酸的含量不同，其中以根来源的愈伤组织中甘草酸含量最高；愈伤组织中各种氨基酸的含量均高于甘草药材。     

四大药用菊花功能成分的比较研究

为了比较4种药用菊花的品质特征,采用比色法测定总黄酮含量,HPLC测定绿原酸含量,GC-MS分析挥发油的成分.结果表明,贡菊、滁菊、亳菊和杭菊中总黄酮的含量分别为5.608%、4.619%、4.372%和3.017%;绿原酸含量分别为0.345%、0.207%、0.337%和0.131%;挥发油总量分别为0.243%、0.524%、0.388%和0.212%;GC-MS分离鉴定出的化合物中贡菊有18种,滁菊有46种,亳菊有35种,杭菊有6种.可见贡菊的主要功能成分较其他3种菊花含量高,并且具有较好的香气品质,认为贡菊可能不仅更适合药用,同时适于作为饮料、功能和保健食品的原料.     

质粒转化药用植物的研究进展

本文对Ri质粒的结构、转化机制、转化方法、发根的生长与鉴定及运用这一技术获得药用植物次生代谢产物的研究进展作了简要概述。     

川产道地中药材川芎根茎对土壤重金属元素的吸收富集特征

[目的]为川芎的可持续发展及无公害栽培提供依据。[方法]以四川彭州道地中药材川芎种植区为研究区域,从地球化学角度研究川芎根茎对土壤重金属元素的吸收富集特征。[结果]研究区土壤Hg含量符合国家土壤环境质量二级标准,Pb、Cd、Cr、As元素含量符合国家土壤环境质量一级标准。川芎根茎中Cd、Hg元素含量超出GAP药用植物标准;Cd出现低背景高富集,Hg出现高背景高富集。川芎根茎中的Hg、Pb、Cr元素含量与土壤中重金属Hg、Pb、Cr元素含量相关关系显著,Cd、As元素含量与土壤中重金属Cd、As元素含量相关关系不明显。川芎根茎对土壤中重金属元素的富集能力差异显著,呈现出Cd>Hg>Pb>As>Cr的变化趋势。[结论]川芎的种植地应严格控制土壤重金属Cd、Hg、Pb元素的污染。     

海参的营养及药用价值

从5个方面介绍了食用海参的营养价值,为海参的深加工和海产品的消费市场提供理论依据。     

浙江省大型野生食用,药用,有毒真菌资源初报

本文记载了浙江省各类大型野生食用,药用,有毒真菌215种,隶属于3个亚门、15个目、46个科、101个属。其中食用真菌117种,药用真菌128种,有毒真菌39种,食药两用菌55种,具抗癌抗肿瘤作用的73种,浙江省首次记录8种。     

Effect of dietary addition of seaweed and licorice on the immune performance of pigs

In pig production, dietary additive antibiotics are usually used for growth stimulation and disease prevention, although there is public concern about the increased incidence of resistant antibiotics and food safety. It is possible that such antibiotics might be replaced by naturally derived products such as seaweed and licorice. In this study, we evaluated the effect of dietary addition of seaweed and licorice on enhancing the immune function in swine. The animals of each group (eight animals per group) were sensitized at day 42 and 49, and the immunoglobulin production and the expression of cytokines were detected by the ELISA and real‐time PCR. As the results, saliva IgA production of the seaweed‐treated group increased around five times compared to that of control (day 56). Delayed hypersensitivity reaction and IgG production of the seaweed‐treated group increased around 1.8–2.0 times. In addition, enhanced saliva IgA production was detected at day 50 (around two times) and day 51 (around five times) by the licorice treatment, and lower expression level of tumor necrosis factor‐α messenger RNA at day 51 (around 1/25) was observed in the licorice treatment. We conclude that the replacement of antibiotics by naturally derived dietary additives might be feasible for immune system enhancement.     

牛角瓜开发价值及栽培技术研究

金融风暴后纺织行业复苏,棉花价格飙涨,原料争夺成为行业新亮点.牛角瓜是一种新的天然纤维替代原料,可在石漠化、盐碱地、沙滩等荒地种植,拓展了纺织原料种植面积,能起到缓解棉粮争地矛盾.现对牛角瓜在药用、能源、棉纺原料及栽培技术等方面的研究进展进行阐述,并对栽培问题及研究方向提出建议,为牛角瓜开发利用及集约化种植提供参考.     

Fucoxanthin, a marine carotenoid present in brown seaweeds and diatoms: metabolism and bioactivities relevant to human health

The marine carotenoid fucoxanthin can be found in marine brown seaweeds, the macroalgae, and diatoms, the microalgae, and has remarkable biological properties. Numerous studies have shown that fucoxanthin has considerable potential and promising applications in human health. In this article, we review the current available scientific literature regarding the metabolism, safety, and bioactivities of fucoxanthin, including its antioxidant, anti-inflammatory, anticancer, anti-obese, antidiabetic, antiangiogenic and antimalarial activities, and its protective effects on the liver, blood vessels of the brain, bones, skin, and eyes. Although some studies have shown the bioavailability of fucoxanthin in brown seaweeds to be low in humans, many studies have suggested that a dietary combination of fucoxanthin and edible oil or lipid could increase the absorption rate of fucoxanthin, and thus it might be a promising marine drug.