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[PDF] Top 20 The comparison of techniques and methods for L-ascorbic acid determination in the fruits

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The comparison of techniques and methods for L-ascorbic acid determination in the fruits

The comparison of techniques and methods for L-ascorbic acid determination in the fruits

... Askorbinska kiselina (vitamin C) prirodni je antiok- sidans prisutan u voću i povrću. Koristi se kao aditiv u industriji voćnih sokova, džemova, mlečnih i mesnih proizvoda itd., i odobren je od strane Evropske komi- ... See full document

6

CONTEÚDO DE ÁCIDO L-ASCÓRBICO,

CONTEÚDO DE ÁCIDO L-ASCÓRBICO,

... ticipate in bone, teeth and blood synthesis and main- tenance (Levine et ...for L-ascorbic acid is 45 mg (FAO, ...brown in color, rang- ing from very small points to 10 mm ... See full document

5

An improved and fast UHPLC PDA methodology for determination of L ascorbic and dehydroascorbic

An improved and fast UHPLC PDA methodology for determination of L ascorbic and dehydroascorbic

... amount of each type of foodstuff (between 100 and 200 g, depending on species) was homogenized, in a prechilled blender (Moulinex), to ensure the sample ...specimens in each ... See full document

10

The use of L-ascorbic acid in speciation of arsenic compounds in drinking water

The use of L-ascorbic acid in speciation of arsenic compounds in drinking water

... now L-ascorbic acid was used as a chemical agent for arsenic preservation and stabilization in samples with arsenic concentrations 1mg/ml (30, 45, ...46). L-ascorbic ... See full document

11

J. Braz. Chem. Soc.  vol.11 número2

J. Braz. Chem. Soc. vol.11 número2

... (ISE). The potentials, developed by the ascor- bate on the ion selective electrode were measured with a pH/Ion Analyser (P) from Corning (350 model), using an Ag/AgCl wire (RE) as reference, coupled ... See full document

5

HPLC analysis, antimicrobial and antioxidant activities of Daphne cneorum L.

HPLC analysis, antimicrobial and antioxidant activities of Daphne cneorum L.

... Determination of DPPH free radical scavenging acti- vity. The method used by Takao et ...dissolved in methanol (100 ml) to obtain a concentra- tion of 80 ...with the stock ... See full document

8

The Impact of the Expansion of the Bolsa Familia Program on the Time Allocation of Youths And Their Parents Lia Chitolina Miguel Nathan Foguel Naercio Menezes-Filho

The Impact of the Expansion of the Bolsa Familia Program on the Time Allocation of Youths And Their Parents Lia Chitolina Miguel Nathan Foguel Naercio Menezes-Filho

... As the multinomial model is non-linear, the marginal effect of the treatment in a DID model is not the marginal impact of the interaction between time and ... See full document

39

Vitamin C content of citrus from conventional versus organic farming systems

Vitamin C content of citrus from conventional versus organic farming systems

... farming, fruits from organic farming were more acid and had a greater °Brix (Table ...least in part, by the fact that in some organic orchards there was no application of ... See full document

6

Organic acids concentration in citrus juice from conventional versus organic farming

Organic acids concentration in citrus juice from conventional versus organic farming

... greater ascorbic acid content in citrus from organic compared with conventional farming systems was reported by Tarozzi et ...for the red orange cultivar ‘Tarocco’, by Lester et al. (2007) for ... See full document

6

Strategies and Problems in the Promotion of Taal as a Culture and Religious Destination

Strategies and Problems in the Promotion of Taal as a Culture and Religious Destination

... CONCLUSIONS AND RECOMMENDATIONS The commonly visited tourist attractions in Taal were Escuela Pia, White House and Basilica of ...Martins of Tours. Historical Sites were ... See full document

5

Assessment Of Some Acceleration Schemes In The Solution Of Systems Of Linear Equations.

Assessment Of Some Acceleration Schemes In The Solution Of Systems Of Linear Equations.

... systems of linear equations Ax = b, where A, b are known matrices and x is a vector of ...Systems of linear equations play a prominent role in economics, engineering, physics, ... See full document

8

Engenharia metabólica da levedura Kluyveromyces lactis para síntese de Ácido L- ascórbico (Vitamina C)

Engenharia metabólica da levedura Kluyveromyces lactis para síntese de Ácido L- ascórbico (Vitamina C)

... lines in vitro and in vivo and they found that the L-AA, which they had used, was old and oxidized to ...instead of L-AA. Therefore, the L-AA ... See full document

80

Effect of Annealing Time for Quenching CuAl7Fe5Ni5W2Si2 Bronze on the Microstructure and Mechanical Properties

Effect of Annealing Time for Quenching CuAl7Fe5Ni5W2Si2 Bronze on the Microstructure and Mechanical Properties

... min of isothermal annealing the β phase formed grains with boundaries which are the most ...With the general trend of size reduction grain β phase, with increasing time τ_ia, increase ... See full document

18

The comparison of the structure and microhardness of the tool steel C90 and HS 6-5-2 remelted with the electric arc

The comparison of the structure and microhardness of the tool steel C90 and HS 6-5-2 remelted with the electric arc

... group of materials used for the production, not only tools, but also machine ele- ments, that need to have the increased strength, for example the high-speed steels are used on the ... See full document

4

The application of optical measurements for the determination of accuracy of gear wheels casts manufactured in the RT/RP process

The application of optical measurements for the determination of accuracy of gear wheels casts manufactured in the RT/RP process

... taking the measurements, an anti-reflection coating was applied on the tested gear ...wheel. The thickness of the coating ranged from 0,8 µm do 1,2 ...µm. The measurements were ... See full document

4

Determinants and Consequences of   the Website Perceived Value

Determinants and Consequences of the Website Perceived Value

... emerge in the 1990s as an issue of growing interest to business, in particular to marketing at both academic and practitioner ...one of the most significant factors ... See full document

13

Analysis Of Lean Accounting JIT And Balance Scorecard In The Companys Lean Manufacturing

Analysis Of Lean Accounting JIT And Balance Scorecard In The Companys Lean Manufacturing

... people in the restaurant, but chef only cook once and split the 5 then the waiter gives the ...has the desire to taste like spicy, salty, sweet it is in the ... See full document

8

Joint Analysis of the Discount Factor and Payoff Parameters in Dynamic Discrete Choice Games

Joint Analysis of the Discount Factor and Payoff Parameters in Dynamic Discrete Choice Games

... assume the discount factor a priori in order to analyze empirical ...identi…cation of the discount factor and payo¤ parameters can be analyzed as a one-parameter model irrespective ... See full document

46

Ascorbic acid and pectin in different sizes and parts of citric fruits

Ascorbic acid and pectin in different sizes and parts of citric fruits

... Citric fruits - in natura, as frozen pulp or even as juice - are one of the most important Brazilian exportation ...source of ascorbic acid – a potent antioxidant, ... See full document

8

Some methods for sensitivity analysis of systems / networks

Some methods for sensitivity analysis of systems / networks

... find the most important nodes, links, or other parameters to determine network structure or performance is of ...explores the relationship between parametric change and systematic output, ... See full document

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