scholarly journals Identification of carotenoid pigments of pumpkin grown in the South of Russia

2020 ◽  
Vol 161 ◽  
pp. 01106
Author(s):  
Lyudmila Rodionova ◽  
Irina Sobol ◽  
Lyudmila Donchenko ◽  
Natalia Limareva
Keyword(s):  
Chemical Analysis ◽  
Nutritional Value ◽  
Raw Material ◽  
Carotenoid Pigments ◽  
Modern Methods ◽  
Time Differential ◽  
Quantitative Characteristics ◽  
Long Time ◽  
Physical And Chemical

The article presents the results of studies of changes in the vitamin composition of pumpkin, grown in the Kuban region. Standard and modern methods of physical and chemical analysis were used in the research. It is shown that the nutritional value of this raw material allows to maintain its nutritional value for a long time. Differential determination of carotenoid pigments contained in pumpkin fruits was carried out. The quantitative characteristics of carotenoids were established and the predominant carotenoid pigments for the studied pumpkin varieties were specified.

Table II : Quantitative determination of carbonyl compounds at different odour sources (concentrations in ppb) Rendering plant Gelatine plant neighbourhood neighbourhood Formaldehyde 40 16 Acetaldehyde 39 24 Acetone 36 73 Prcpanal 10 -Isobutyraldehyde 10 30 Pentanal 15 19 Hexanal 3.52 Heptanal 12.5 Octanal 10.5 Nonanal 1 2 acids (figure 7). However extractions always involve a serious decrease in sensitivity, while evaporation of the extract produces a solution in 0.1-0.5 ml of solvent, and only 1 pi of it can be brought in the gas chromatograph. Therefore work is in progress to enhance sensitivity by converting acids in­ to halogenated derivatives, which can be GC-analysed with the more sensitive electron-capture detector. For thiols a similar procedure is investigated as with aldehydes. One possibility is absorption of thiols in an alkaline solution and reaction with 2,4-dinitrochlorobenzene, yielding 2,4-dinitrofenylsulfides, which are analysed by HPLC (9). Sane improvements on removal of reagents at the one hand and on separation of sane by-products on the other hand have to be achieved in order to in­ crease the sensitivity with another factor of ten. 5. CONCLUSION The actual scope and limitations of chemical analysis of odour show that all problems can be tackled as far as emission is concerned. For iititiission measurements seme progress is necessary, but there is no essential reason why chemical analysis would be unable to attain the desired sensitivity for all types of odorants. There is no doubt that in a few years the last dif­ ficulties will be solved. In order to achieve real control of odour nui­ sance, automatic measurement is necessary on a long time basis. There again seme technical development is to be expected. Does this mean that machines are going to decide if an odour is pre­ sent or not? By no means, while the population will always be the reference, and psychophysical measurements will be necessary to make chemical analysis possible.

1986 ◽  
pp. 171-171
Keyword(s):  
Chemical Analysis ◽  
Quantitative Determination ◽  
Alkaline Solution ◽  
Automatic Measurement ◽  
The Other ◽  
Long Time ◽  
Time Basis ◽  
The One ◽  
By Products

scholarly journals Experimental Determination of Biologically Active Compounds in Pomace of Siberian Beet and Carrot

2021 ◽  
Vol 51 (1) ◽  
pp. 179-187
Author(s):  
Anastasia Kozhemayko ◽  
Irina Sergeeva ◽  
Irina Dolgolyuk
Keyword(s):  
Functional Food ◽  
Nutritional Value ◽  
Raw Materials ◽  
Dry Weight ◽  
Biologically Active ◽  
Raw Material ◽  
Positive Trend ◽  
Bioactive Substances ◽  
Industrial Processing

Introduction. With the development of the food and processing industry, the matter of environmental pollution is becoming more and more acute. Environmental protection is based on the principle of rational use of natural resources and sustainable technology. Vegetable pomace is a secondary raw material; its amount depends on the production technology and equipment. The observed positive trend in the gross harvest of vegetables in open ground can increase the number of vegetable processing enterprises and the capacity of existing enterprises. Eventually, waste will start accumulating at processing sites, and it will have to be used as raw materials. The present paper features the content of biologically active substances in pomace of carrots and beets grown on the territory of the Siberian region and introduces options for their further use in functional foods. Study objects and methods. The research featured carrot pomace of the varieties Losinoostrovskaya, Nantskaya, and Queen of Autumn, as well as beet pomace of varieties Cylinder and Bordeaux. All the samples were harvested in the Kemerovo region in 2019. Determination of physical and chemical parameters was carried out using standard methods. Carotenoids, flavonoids, β-cyanine were studied using spectrometry and photocolorimetric method. Results and discussion. The experiment featured the content of bioactive substances in pomace of carrots and beets obtained during industrial processing. The content of carotenoids in carrots (mg of β-carotene per 100 g of dry weight): for Losinoostrovskaya variety – 23.56 ± 0.23; Nantskaya – 25.32 ± 0.18; Queen of Autumn – 20.78 ± 0.25. Flavonoid content (mg of catechol equivalent per 100 g of dry weight): Losinoostrovskaya – 12.02 ± 0.37; Nantskaya – 13.45 ± 0.56; Queen of Autumn – 11.50 ± 0.48. The content of β-cyanine in beets (mg per 100 g of dry weight): Cylinder – 100.0 ± 8.5; Bordeaux – 35.0 ± 1.8. The nutritional value of carrot and beet pomace with a mass fraction of moisture was 10%. The nutritional value of vegetable pomace is due to the high content of dietary fiber; therefore, the raw materials can be considered for functional food production. The content of biologically active substances in vegetable pomace (flavonoids, carotenoids, β-cyanines) can enhance the functional orientation of this secondary raw material when used in food technologies for the production of food of high nutritional value. Conclusion. The results obtained will make it possible to use the biochemical potential of plant raw materials in many aspects, as well as to obtain new functional food products, thereby expanding the range of healthy foods.

scholarly journals Diagnóstico da Qualidade do Leite Pasteurizado Distribuído pelo Programa do Leite na Microrregião do Seridó Oriental - RN

2015 ◽  
Vol 10 (2) ◽  
pp. 218-223
Author(s):  
J. K. B. Silva ◽  
R. A. Andrade ◽  
R. S. Falcão ◽  
R. P. Gusmão
Keyword(s):  
Chemical Analysis ◽  
Garbage Collection ◽  
Physical Space ◽  
Rio Grande ◽  
Pasteurized Milk ◽  
Milk Samples ◽  
Physico Chemical ◽  
Physical And Chemical

Neste trabalho foi avaliada a qualidade do leite pasteurizado distribuído pelo Programa do Leite na microrregião do Seridó Oriental do Rio Grande do Norte. Para a avaliação do leite, foram aplicadas listas de verificação nos pontos de coleta do município de Currais Novos em que foi observada insuficiência do espaço físico e da infraestrutura, ausência de espaço coberto para abrigar filas, ventilação, iluminação, sanitários, freezers, computador e telefone. Ainda, foi observado que não há dedetização e desratização periódicas do ambiente, higienização correta, acondicionamento adequado e coleta diária de lixo. Além disso, foram realizadas análises físico-químicas, que compreenderam a determinação de gordura, teste de alizarol, sólidos não gordurosos, acidez e índice crioscópico, de amostras do leite fornecido por 3 usinas de beneficiamento que fazem parte do programa. As listas de verificação apontaram resultados insatisfatórios quanto à dimensão e infraestrutura dos pontos de entrega. O percentual de amostras que se apresentaram fora dos padrões estabelecidos pela legislação para as análises físico-químicas de gordura, acidez e índice crioscópico foi, respectivamente, 87,5, 62,5 e 100%. Diagnostic of Quality of Pasteurized Milk Distributed by the Milk Program in the Micro Eastern Seridó – RN ABSTRACT - This work evaluated the quality of pasteurized milk delivered by the milk program in the micro eastern Served Rio Grande do Norte. For the evaluation of milk, checklists were applied at collection points in the municipality of New corrals where insufficient physical space and infrastructure, absence of covered rows to house, ventilation, lighting, plumbing, freezers, computer space was observed and phone. Still, it was observed that there is no periodic fumigation and pest control of the environment, proper sanitation, adequate storage and daily garbage collection. In addition, physical and chemical analyzes, which comprised the determination of fat, alizarol test, not fat solids, acidity and cryoscopic index of the milk samples provided by three beneficiation plants that are part of the program were conducted. The checklists showed unsatisfactory results regarding the size and infrastructure of delivery points. The percentage of samples that were outside of the standards established by law for the physico-chemical analysis of fat, acidity and cryoscopic index was, respectively, 87.5, 62.5 and 100%.

scholarly journals Physical and chemical analysis in the determination of clay provenance of the orientalizing ceramics found in the Cyclades and in Eastern Greece (VII-VI cent. B.C.)

1997 ◽  
pp. 61
Author(s):  
Haiganuch Sarian
Keyword(s):  
Chemical Analysis ◽  
Physical And Chemical

O objetivo deste artigo é a análise físico-química da cerâmica de estilo orientalizante das ilhas Cíclades e da Grécia de Leste, datada dos sécs. VII e VI a.C. Os locais de achado envolvidos são sobretudo Delos, Meios, Naxos, Paros, Sifnos e Tasos, quanto às ilhas, e Náucratis, Fikelura, Quios, Rodes, Mileto, no tocante ao Mediterrâneo Oriental. A moderna ceramografta tem insistido nas determinações das origens das argilas com que se confeccionaram os artefatos cerâmicos. Ora, nem sempre é possível detectar-se, apenas pela análise formal, técnica e estilística, que um determinado vaso cerâmico reflete modelos de um centro produtor mais importante, e esse aspecto é relevante também se levarmos em conta a intensidade do tráfico e das relações existentes sob várias formas — contatos de natureza múltipla — entre as culturas da Antigüidade Clássica. Esta inter-relação entre as cidades gregas provocou formas de imitação, de assimilação total ou parcial dos artefatos cerâmicos. De tal modo que o estudo das argilas pode identificar e caracterizar as produções locais distinguindo-as das produções externas. Tal análise das argilas só poderá oferecer um resultado razoável se combinado com o estudo do meio geológico local e, desta feita, o estudo petrográfico, a partir da cooperação íntima entre arqueólogos e geólogos, possibilita confirmar ou infirmar a existência de um facies particular da argila tida como local para as séries consideradas, a verificação também de ser este facies local característico de uma região ou de um grupo de regiões, estabelecendo-se a relação entre os componentes da argila e os recursos geológicos da área. Estas análises e suas interpretações sugerem um verdadeiro leque de possibilidades: toda questão dos contatos entre as cidades gregas do séc. VII a.C. e do séc. VI a.C. se ressente de um melhor conhecimento das origens dos vasos orientalizantes, comprovando formas de relações religiosas, políticas e econômicas entre regiões mais ou menos distanciadas do mundo mediterrânico.

scholarly journals IMPROVING THE METHOD OF QUANTITATIVE DETERMINATION OF THE AMOUNT OF CAROTENOIDS IN THE RAW MATERIAL “ROSEHIP FRUIT”

2020 ◽  
pp. 131-138
Author(s):  
Vladimir Aleksandrovich Kurkin ◽  
Ol'ga Vladimirovna Sharova ◽  
Polina Valeriyevna Afanaseva
Keyword(s):  
Ascorbic Acid ◽  
Quantitative Determination ◽  
Raw Materials ◽  
Water Soluble ◽  
Biologically Active ◽  
Raw Material ◽  
Test Quality ◽  
Total Carotenoids ◽  
Long Time

The fruits of wild rose (Fructus Rosae) have been widely used in both traditional and officinal medicine for the long time. The pharmacological effect of the Rosehip medicine is related to the content of such biologically active compounds as: water-soluble (ascorbic acid) and fat-soluble (carotenoids) vitamins, as well as flavonoids (astragalin, isoquercitrin, tiliroside). Such medicine as Holosas, Carotolin and Rosehip syrup are obtained from the fruits of this plant. In addition, wild rose fruits are part of the various fees from which patients could prepare water infusions at home themselves. Regulatory documentation provides for the analysis of Rosehip raw materials three parameters: the content of ascorbic acid, the total carotenoids and flavonoids. The quantitative content of the total carotenoids in the fruits of the rosehip is regulated for the production of rosehip oil and Carotolin. However, in our opinion, the method of quantitative determination of the total carotenoids, described in the State Pharmacopoeia of the Russian Federation of the XIV edition, is too complicated and contains an unreasonably entered coefficient in the formula, leading to an overestimation of the analysis results in 10 times. We have developed the methodic of quantitative determination of the total carotenoids in Rosehip, that include single extraction of raw materials with hexane at room temperature and periodic mixing in the ratio of «raw material : extract» 1 : 30. Investigated solution there was obtained by diluting the hexane extract in the ratio of 2:25 and measured the optical density at wavelength 450 nm. Adjustments have been made to the formula for the calculating of the total carotenoids relating to the removal of the coefficient 10 unjustifiably entered into the pharmacopoeial methodic. It was determined that the content of the total carotenoids calculated on ß-carotene varied from 10.15 to 74.5 mg%. The metrological characteristics of the methodic indicate that the error of a single determination of the total carotenoids in the rosehip fruits with a 95% confidence level is ± 3.57%. Based on the results of the studies, a new test quality indicators “content of the total carotenoids at least 30 mg%” was substantiated instead of 300 mg%.

The Physical and Chemical Analysis of Carbohydrate Content in Acorn Kernel

2012 ◽  
Vol 554-556 ◽  
pp. 2006-2012
Author(s):  
Shou Hai Li ◽  
Jian Ling Xia ◽  
Chun Peng Wang ◽  
Mei Li ◽  
Kun Huang ◽  
...  
Keyword(s):  
Chemical Analysis ◽  
Carbohydrate Content ◽  
Raw Material ◽  
Dual Wavelength ◽  
Polysaccharide Content ◽  
Normal Life ◽  
Two Samples ◽  
Energy Equilibrium ◽  
Physical And Chemical

Carbohydrates are the main source which required to maintain energy equilibrium and normal life activities. In acorn kernel, soluble polysaccharides and starch are the main carbohydrate. In order to accurately measure the carbohydrate content of the acorn kernel in Nanjing Area. Dual-wavelength spectrophotometry and anthrone-sulfuric methods were applied to measure the content of amylose, amylopeetin and soluble polysaccharides,respectively.The other two samples were simultaneously measured for comparative analysis.Testing results show that acorn kernel contain about 79.40% of starch, amylopectin content was up to 59.01%, polysaccharide content is 6.53%.The results indicate that acorn kernel was an important raw material for preparing food, feed and starch-based composites.

scholarly journals Produção de fermentado alcoólico de laranja

2015 ◽  
Vol 10 (3) ◽  
pp. 35
Author(s):  
Janine Patricia Melo Oliveira ◽  
José Crisóstomo da Silva Neto ◽  
Adriano Sant’Ana Silva ◽  
Saulo Soares da Silva ◽  
Adriana da Silva Santos
Keyword(s):  
Citrus Sinensis ◽  
Alcoholic Fermentation ◽  
Value Added ◽  
Raw Material ◽  
Chemical Parameters ◽  
Science Center ◽  
Unit Operations ◽  
Physical And Chemical ◽  
Made In

<p>Este trabalho tem como objetivo produzir um fermentado alcoólico proveniente do suco de laranja <em>(Citrus sinensis), </em>segundo processo adaptado das metodologias já existentes para obtenção de outros fermentados de fruta. O processo produtivo do fermentado de laranja e as analises referentes ao mesmo foram conduzidos no Laboratório de Operações Unitárias e Fenômeno de Transporte do Centro de Ciências e Tecnologia Agroalimentar da Universidade de Campina Grande – Campus Pombal - Pb. Com relação às etapas da adição dos insumos na confecção do fermentado, as mesmas não foram feitas na ordem descrita pela maioria das literaturas que se trabalham com fermentados alcoólicos, onde a ordem seguida foi: Extração do mosto, Preparação do Mosto: Sulfitação, Inoculação do Microrganismo e Nutrientes, Determinação do °Brix, Chaptalização,<strong> </strong>Fermentação Alcoólica, Decantação e Trasfegas, Clarificação, Filtração e o Envase. Constata-se pelo presente trabalho que o fermentado de laranja, mostrou-se aceitável tanto em relação aos parametros físico-químicos analisados para o mesmo, quanto para as carcteristicas sensoriais, tal como o sabor, aroma e aparência. Reforça-se, portanto, a idéia de agregação de valor a uma matéria-prima consideravelmente nutricional, por meio da confecção de um produto inovador.</p><p align="center"><strong><em>Production of alcoholic fermented orange</em></strong></p><p><strong>Abstract</strong><strong>: </strong>This work aims to produce an alcoholic fermented from orange juice (Citrus sinensis), second process adapted from existing methodologies for obtaining other fermented fruit. The production process of fermented orange and the same related analyzes were conducted at the Unit Operations Laboratory and Phenomenon Transport Science Center and Agrifood Technology, University of Campina Grande - Campus Pombal. - Pb Regarding the steps to add inputs in the manufacture of fermented, they were not made in the order described by most of the literature that working with alcoholic fermentation, where the order was then: the must extraction, preparation of Mosto: Sulphitation, inoculation of the micro-organism and nutrients, determination of ° Brix , Chaptalisation, alcoholic fermentation, decantation, and Racking, clarification, filtration and Filling. It appears in this work that fermented orange, proved acceptable both for physical and chemical parameters analyzed for the same, as for the sensory carcteristicas, such as flavor, aroma and appearance. , Up reinforces therefore the value-added idea of a raw material considerably nutrition through the production of an innovative product.</p>

scholarly journals QUANTITATIVE DETERMINATION OF XANTHONE SUM IN TERMS OF MANGIFERIN IN AERIAN ORGANS OF SPECIES OF GENUS HEDYSARUM L. BY UV SPECTROPHOTOMETRY

2020 ◽  
pp. 179-186
Author(s):  
Dzhavgarat Ruslanovna Imachuyeva ◽  
Fatima Kazbekovna Serebryanaya ◽  
Ifrat Nazimovich Zilfikarov
Keyword(s):  
Quantitative Determination ◽  
Raw Materials ◽  
Chemical Properties ◽  
Raw Material ◽  
Uv Spectrophotometry ◽  
Highly Sensitive ◽  
Material Procurement ◽  
Physical And Chemical ◽  
Study Species

Preparing of the antiviral and antibacterial medicinal plants is a promising task of native pharmacy. In this regard, it is interesting to study species of the genus penny, namely Hedysarum caucasicum M.Bieb., Hedysarum grandiflorum Pall., Hedysarum daghestanicum Rupr. ex. Boiss., the regions of distribution, chemical composition and known pharmacological properties will allow to justify directions of their rational use, as well as creation of new phytopreparations of antiviral action on the basis of medicinal raw materials. During the complex pharmacognostic studies of three species of Hedysarum L. we have developed the method for isolation and quantitative determination of the sum of xanthones in terms of mangiferin by UV spectrophotometry. The technique takes into account the basic physical and chemical properties of xanthones, is characterized by reproducibility, high accuracy, simplicity of implementation, allows to carry out both screening evaluation of various raw objects containing mangiferin derivatives, as well as standardization of the prepared medicinal plant raw material of the penny. The developed methods are tested on the aerian organs of Hedysarum L. species, collected and dried taking into account the rules and requirements of drug raw material procurement. As a result, Hedysarum caucasicum M.Bieb herb (0.624%) was found to be the highest quantitative amount of xanthone sum in terms of mangiferin. The obtained results show the prospect of further research of the aerian part of the Hedysarum caucasicum M.Bieb. as an additional source of mangiferin. The method of quantitative determination of xanthone sum in the list for mangiferin in the above-ground part of Hedysarum caucasicum M.Bieb; Based on the obtained data, it has been found that the proposed technique is highly sensitive, reproducible and usable.

scholarly journals DEVELOPMENT OF TECHNOLOGY OF SPISSATED SUCKLINGS CAN FOOD IS WITH FRUIT-BACCATE FILLERS

2019 ◽  
pp. 66-72
Author(s):  
Larisa Fialkovska ◽  
Olga Yarmolenko
Keyword(s):  
Experimental Studies ◽  
Raw Material ◽  
Rational Use ◽  
Complex Study ◽  
Condensed Milk ◽  
Quality Of Milk ◽  
Physical And Chemical ◽  
Technology Of Production

In the article, making of the condensed milk is examined with плодово-ягідними fillers, development of flowsheet of making of the condensed milk. A research aim is determination of requirements to quality of milk as raw material for the production of the condensed milk and development of technology of production of the condensed milk with плодово-ягідними fillers. For the decision of the put tasks a complex study was undertaken. Органолептичні, physical and chemical and microbiological studies of raw material and prepared product are undertaken. The optimal doses of compounding components are set, in particular плодово-ягідних fillers, sugar. Expediency and necessity of organization of the rational use of suckling raw material are described on the enterprises of молокопереробної industry.A study of composition and properties of the condensed milk is undertaken with fillers, appraised and power value. Experimental studies are undertaken an in laboratory terms on the department of Food technologies and microbiology of the Vinnytsya national agrarian university. Determination of органолептичних, physical and chemical and microbiological indexes is executed in obedience to the generally accepted methodologies.

scholarly journals A review on novel excipient for tableting

2020 ◽  
Vol 11 (3) ◽  
pp. 4261-4269
Author(s):  
Pradeep Krishna Baskaran ◽  
Arun Radhakrishnan
Keyword(s):  
Chemical Substance ◽  
Direct Compression ◽  
Compression Method ◽  
Fitting Procedure ◽  
Long Time ◽  
Physical And Chemical

Despite the fact that the standards administering direct compression method have been notable for a long time, the system has as of late become progressively settled because of the presentation of excipients explicitly intended for direct compression method. These excipients are straightforwardly compressed by their own, yet can likewise be blended in with an enormous extent of medication substance with no noteworthy decay in tablet quality. Excipients with better usefulness can be acquired by growing brand-new substance excipients, recent evaluations of already available products, and novel blends of already available products. Any novel substance excipient being created as an excipient should experience different phases of administrative endorsement planned for tending to issues of wellbeing and poisonous quality, which is an extensive and exorbitant procedure. Furthermore, the excipient should experience a period of conventional advancement, which abbreviates the market selectiveness period. Co-processing is the alternative way novel excipients are approaching to showcase without experiencing the thorough security trial of a totally new concoction. It tends to be characterized as joining at least two built up excipients by a fitting procedure. The primary point of co-preparing is to acquire an item with added esteem identified with the proportion of its usefulness/cost. Advancement of co-handled straightforwardly compressible excipient beginnings with the determination of excipients can joined, their focused on extent, choice of readiness technique to get improved item with wanted both physical and chemical substance parameters and then it closes with limiting shirking with cluster to group varieties.

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