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Lutein Content in Marigold Flower (Tagetes erecta L.) Concentrates used for Production of Food Supplements
Tagetes erecta L. carotenoids RP-HPLC
2014/11/28
The RP-HPLC with UV-VIS DAD detection was employed for the separation, identification, and quantification of
lutein content in Marigold flower (Tagetes erecta L.) concentrates used for the productio...
10种香辛调味料提取物对亚硝酸盐清除能力的研究
香辛调味料 亚硝酸盐清除能力 相关性
2016/6/28
研究了10种香辛调味料提取物对亚硝酸盐的清除能力。采用分光光度法测定了10种香辛调味料提取物的亚硝酸盐清除能力、还原力及黄酮、多酚、多糖和皂苷等活性成分的含量,并用相关系数法分析了亚硝酸盐清除能力与还原力及活性成分含量间的相关性。结果表明:10种香辛调味料提取物对亚硝酸盐具有不同效果的清除能力,丁香提取物清除能力最强,桂皮和花椒次之,孜然清除能力最差;香辛调味料提取物的亚硝酸盐清除能力与还原力及多...
Effect of process parameters on slowly digestible and resistant starch content in extrudates
extrusion cooking legumes starch digestibility distarch phosphate
2014/10/11
A laboratory single-screw Kompaktextruder KE 19/25 was used at speeds 120–140 rpm of the screw with either a 2 : 1 or 3 : 1 compression ratio; the head had a 3 or 4 mm die. The...
Relationship between intrinsic viscosity, thermal and retrogradation properties of amylose and amylopectin
DSC enthalpy storage corn starch
2014/10/11
The relationships between intrinsic viscosity and some properties of amylose and amylopectin were investigated. The intrinsic viscosities determined by Ubbelohde viscometer for rice, maize, wrinkled p...
高纯度难消化糊精的制备工艺及其特性研究
难消化糊精 高纯度 工艺 特性
2016/7/25
研究了高纯度难消化糊精的制备工艺及其特性。以玉米淀粉为原料,经过高温酸解得到焦糊精,再酶解、浓缩,采用酒精沉淀的方法得到难消化糊精后用酒精洗去葡萄糖,制备高纯度难消化糊精。结果表明最佳工艺条件为:加酸量为12%,焦糊化温度为180℃,焦糊化时间为0.5h,酒精洗涤次数为6次,此时高纯度难消化糊精得率可达40.32%,纯度可达95.30%。并测定了高纯度难消化糊精的分子量分布和热特性分析,重均分子量...
以珊瑚姜残渣为原料,淀粉提取率为指标,研究超声预处理对珊瑚姜淀粉的碱提取工艺条件以及所制淀粉的组成、颗粒形貌和晶体结构的影响。结果表明,普通碱提取的最佳工艺条件为:碱液p H10、料液比1∶9g/m L、浸泡温度35℃、浸泡时间3h,在该条件下所制淀粉的提取率为45.37%、纯度为85.12%、平均粒径为23.06μm;超声预处理(超声功率600W、超声时间100s)后的碱提取的最佳工艺条件为:碱...
Variability and Correlations Studies for Total Iron and Manganese Contents of Chickpea (Cicer arietinum L.) High Yielding Mutants
Variability and Correlations Studies Manganese Contents
2016/6/1
Increased malnutrition and food insecurity for the past several years in countries, like India, is point of great concern. Present study was undertaken to reveal the potential role of mutagenesis to i...
Effect of Replacement of Sodium Chloride with Mineral Salts on Rheological Characteristics of Wheat Flour
Sodium Chloride Mineral Salts
2016/6/1
The effect of sodium chloride and different mineral salts on dough rheology for preparation of low sodium bakery products were studied on three commercial flours A, B and C. Five mineral salts viz. KC...
Texture and pasting properties of ultrasonically treated corn starch
corn starch ultrasound texture solubility pasting
2014/2/27
The effects of high power ultrasound of 24 kHz and ultrasound bath of 24 kHz frequency on the textural and pasting properties of corn starch suspensions was examined. Suspensions were treated with dif...
Sensitivity of Assessors to Ferrous Salts
sensory analysis ferrous sulphate solutions sensitivity detection thresholds
2014/3/10
Taste is the chemical sensation whose function is not very well known. Recently it was shown that the range of taste is more extensive than the five basic taste sweet, salty, bitter, sour and umami. A...
The Selection of the Optimal Rate of Acid and Sweet Taste for Lemon Flavoured Drops
sweets acid taste sweet taste sensory evaluation
2014/3/10
The objective of this work was to choose an optimal rate of citric acid and sweeteners for lemon flavoured drops. Two model samples with defined concentrations of citric acid and two commercial sample...
Distribution of S-alk(en)yl-l-cysteine Sulfoxides in Garlic (Allium sativum L.)
garlic Allium sativum S-alk(en)yl-L-cysteine sulfoxides alliin methiin isoalliin
2014/3/10
This study was devoted to distribution of S-alk(en)yl-L-cysteine sulfoxides (particularly alliin, methiin, and isoalliin) in plants of Allium sativum L. and to diversity of selected groups of garlic c...
Phenolic Composition and Antioxidant Properties of Some Spices
Phenolic acids antioxidant spices tannin free radicals
2008/11/1
Aqueous methanolic extracts of 9 spices were investigated for their phenolic compounds composition and antioxidant properties. The spices investigated were, Laurel noblis (bay leaves), Rosimarinus off...
Oregano and Paprika Spices: Their Thermoluminescent Characteristics for Food Irradiation Dose Assessment
Food Irradiation oregano paprika thermoluminescence kinetics patameters dose-response fading
2008/10/25
The polyminerals content from commercial dust oregano and paprika were extracted and selected by sizes of < 10, 10-53, 53-74 and 74-149 µm and exposed to gamma radiation at different doses in th...
Immobilization of Aspergillus niger in Polyurethane Foam for Citric Acid Production from Carob Pod Extract
Aspergillus niger Polyurethane Foam
2016/5/31
Aspergillus niger strains MTCC 281 and KLP20 immobilized on polyurethane foam were utilized for the batch fermentation of citric acid from carob pod extract. Carob pods are the fruits of carob tree (C...