搜索结果: 1-15 共查到“食品科学技术 characterisation”相关记录25条 . 查询时间(0.058 秒)
Extraction, Fractionation, and Chemical Characterisation of Fucoidans from the Brown Seaweed Sargassum pallidum
brown seaweed Sargassum pallidum fucoidan extraction cytotoxic activity
2016/12/9
The fucoidans were obtained by extraction with water and gradient precipitation with different concentrations of ethanol. The main structural characterisations and bioactivities were achieved. Four fr...
Characterisation of phenolics and other quality parameters of different types of honey
physicochemical parameters phenolic acids flavonoids
2016/7/6
In order to provide a general picture of phytochemical characteristics of nectar honey, honeydew, and mixed honeys, an overall comparison of physicochemical parameters, and phenolic profile as well as...
Production and characterisation of alcohol-insoluble dietary fibre as a potential source for functional carbohydrates produced by enzymatic depolymerisation of buckwheat hulls
agricultural by-products enzymatic hydrolysis hypoglycaemic effect hypolipidaemic effect soluble dietary fibre
2015/10/9
We examined the potential use of buckwheat hulls as a raw material for producing soluble dietary fibre. The insoluble fibre fraction obtained from buckwheat hulls was hydrolysed by two commercial enzy...
Characterisation of polyphenol oxidase and peroxidase and the role in browning of loquat fruit
Eriobotrya japonica PPO POD
2015/3/30
Polyphenol oxidase (PPO) and peroxidase (POD) were extracted from a new loquat fruit cultivar (Ninghaibai) and characterised using reliable spectrophotometric methods. In both cases, the optimum pH fo...
Characterisation of hop varieties grown in Romania based on their contents of bitter acids by HPLC in combination with chemometrics approach
α-acids β-acids Romanian hop cultivars Humulus lupulus principal component analysis
2015/3/30
Reverse-phase high performance liquid chromatography technique was used for studying the evolution of bitter acids from three varieties of hop growing in Romania during the development of hop cones an...
Purification and characterisation of the bacteriocin produced by Lactobacillus plantarum, isolated from Chinese pickle
antibacterial activity identification lactic acid bacteria resistant
2014/10/11
119 strains of lactic acid bacteria from Chinese pickle were tested for production of antimicrobial compounds (bacteriocins). Among them, strain C8 showed strongly antibacterial activity against Staph...
Composition, protein contents, and microstructural characterisation of grains and flours of emmer wheats (Triticum turgidum ssp. dicoccum) of the central Italy type
Cryo-SEM gluten microstructure SDS-PAGE SEM
2014/7/10
The microstructural characteristics were evaluated of two types of Italian Farro (Triticum turgidum ssp. dicoccum) with spring and autumn growth habits, the former with a vitreous tendency and the lat...
Characterisation of polyphenol oxidase from Melissa officinalis L. subsp. officinalis (lemon balm)
lemon balm protein enzyme kinetics inhibition
2014/2/24
Polyphenol oxidase (PPO) from Melissa officinalis L. subsp. officinalis (lemon balm) was partially purified by ammonium sulphate precipitation and dialysis; and then it was characterised in detail in ...
Characterisation of antilisterial bacteriocin-like substance produced by Enterococcus mundtii
Enterococcus enterocin-like substance Listeria monocytogenes persistent
2014/2/25
The antilisterial activity of E. mundtii 1282 strain and its cell-free neutralised supernatant was observed against five persistent L. monocytogenes strains using the agar spot method. The enterococca...
Isolation and characterisation of starch from different barley and oat varieties
oat barley isolation starch properties
2014/2/25
Starches were isolated from three oat (Dzoker, Zvolen and Sampionka) and three barley (Barun, Zlatko and Vanessa) cultivars. The gelatinisation and retrogradation characteristics, pasting properties, ...
Preparation and characterisation of food grade chitosan from housefly larvae
Musca domestica commercial applications chitin insect derivates
2014/2/25
The preparation and characterisation of food-grade chitosan from housefly larvae are reported. A refinement procedure was developed to remove larval mouth hooks from the primary chitosan product, whic...
Analysis and characterisation of anthocyanins in mulberry fruit
anthocyanin mulberry fruit spectroscopy characteristics stability
2014/2/27
The fruit of mulberry (Morus alba L., Moraceae) has been used as medicinal food in China for a long history. The pigment from the fruit extract is a kind of natural colourant for food processing and h...
Extraction, purification, and characterisation of the flavonoids from Opuntia milpa alta skin
Opuntia milpa alta skin flavonoids extraction LC-MS isorhamnetin 3-O-(2, 6-dirhamnosyl)glucoside isorhamnetin 3-O-D-rutinoside
2014/2/27
The flavonoids contained in Opuntia milpa alta skin were extracted, purified, and identified. Based on single factor experimental results, the extraction parameters were optimised by using orthogonal ...
Genotypic Characterisation of Indigenous Soybean Rhizobia by PCR-RFLP of 16S rDNA,rep-PCR and RAPD Analysis
nitrogen fixation rhizobia soybean
2009/3/19
The taxonomy of nitrogen fixing bacteria that form symbiotic associations with leguminous plants has been deeply changed in recent years. The use of very sensitive and accurate molecular methods has e...
Partial Characterisation of Bacteriocins Produced by Bacillus cereus Isolates from Milk and Milk Products
bacteriocins Bacillus cereus milk
2009/3/19
Thirty one (19.2 %) out of 161 Bacillus cereus isolates from raw milk and milk products were found to produce proteinaceous substances which inhibit the growth of other B. cereus isolates. The detecti...