花生蛋白粉生产酸奶的工艺研究

介绍了以花生蛋白粉为主要原料生产花生酸奶的工艺 ,并对产品进行了分析检验。检验证明 ,该产品含有人体所需的 8种必需氨基酸 ,各氨基酸之间配比较为合理 ,是一种较为理想的高蛋白乳酸饮料。     

应用免疫金探针定位和定量测定稻种中的水稻细菌性条斑病菌

 本文首次报道用免疫金染色和免疫金银染色对水稻细菌性条斑病病种的带菌部位及带菌量的研究。结果表明:病原细菌分布于谷壳、籽实皮、胚和胚乳,主要集中在谷壳上。谷壳外表带菌量多于内表面。籽实皮外表面由于受谷壳污染较之内表面的带菌量多。籽实皮内表面、胚和胚乳的带菌量均较少,差异不显著。谷壳、谷壳内表面、籽实皮、胚乳(或胚)的带菌量之比为36:13:9:1。     

Screening for plant transporter function by expressing a normalized Arabidopsis full-length cDNA library in Xenopus oocytes

Background  

We have developed a functional genomics approach based on expression cloning in Xenopus oocytes to identify plant transporter function. We utilized the full-length cDNA databases to generate a normalized library consisting of 239 full-length Arabidopsis thaliana transporter cDNAs. The genes were arranged into a 96-well format and optimized for expression in Xenopus oocytes by cloning each coding sequence into a Xenopus expression vector.     

云南高原甘薯地方品种的生长分析

 通过作物生长分析法对云南省中部和南部有代表性的甘薯地方品种进行物质生产性能分析。地方品种"甘心红薯"、"呈贡红皮"、"蒙自白皮"、"路南红皮"及"蒙自红皮"的LAI,RGR,LAR均显着优于对照品种"徐薯18",干物质积累量也明显高于"徐薯18".表明上述地方品种的物质生产性能较好,在云南省甘薯生产上推广利用的潜力较大。     

A simple device for the determination of potato tuber specific gravity

A simple device consisting of a plastic rack with suspended wire basket was developed. This device when used in conjunction with a top loading balance greatly facilitates the determination of the specific gravity of individual tubers.     

Constituents of Asparagus officinalis evaluated for inhibitory activity against cyclooxygenase-2

As part of a project directed toward the discovery of new cancer chemopreventive agents from plants, two new natural products, asparagusic acid anti-S-oxide methyl ester (1) and asparagusic acid syn-S-oxide methyl ester (2), a new acetylenic compound, 2-hydroxyasparenyn [3',4'-trans-2-hydroxy-1-methoxy-4-[5-(4-methoxyphenoxy)-3-penten-1-ynyl]-benzene] (3), as well as eleven known compounds, asparenyn (4), asparenyol (5), (+/-)-1-monopalmitin (6), ferulic acid (7), 1,3-O-di-p-coumaroylglycerol (8), 1-O-feruloyl-3-O-p-coumaroylglycerol (9), blumenol C, (+/-)-epipinoresinol, linoleic acid, 1,3-O-diferuloylglycerol, and 1,2-O-diferuloylglycerol, were isolated from an ethyl acetate-soluble fraction of the methanol extract of the aerial parts of Asparagus officinalis (Asparagus), using a bioassay based on the inhibition of cyclooxygenase-2 to monitor chromatographic fractionation. The structures of compounds 1-3 were elucidated by 1D- and 2D-NMR experiments ((1)H NMR, (13)C NMR, DEPT, COSY, HMQC, HMBC and NOESY). All the isolates were evaluated for their inhibitory effects against both cyclooxygenase-1 and -2, with the most active compound being linoleic acid.