Results 21 to 30 of about 11,124,318 (249)
Effect of oviposition by Bactrocera dorsalis on the antioxidant activity of orange juice [PDF]
Among fruits and fruit products, oranges and orange juice are the most widely consumed worldwide. However, the effects of pest infestation of oranges on the quality of orange juice are not yet known.
M. Ni +6 more
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Spectrophotometric determination of some theophylline derivatives
A spectrophotometric method for the determination of 8-chlorotheophylline, diprophylline and oxyethyltheophylline, is presented. Spectrophotometric determinations were carried out in CH3OH, 0.5 mol dm-3 H2SO4 4.65 mol dm-3 KOH, respectively.
Nikolić, Kosta, Medenica, Mirjana
core +7 more sources
The aim of the study was to determine antimicrobial and antioxidant activity of plant extracts against pathogenic microorganisms in vitro. Extracts of black elder (Sambucus nigra L.), stinging nettle (Urtica dioica L.), marigold (Calendula officinalis L.)
Miroslava Kačániová +7 more
doaj
This Study is concerned a fast, easy, sensitive, accurate and economical spectrophotometric method for the determination of Dexamethasone. This method based on the use of UV- spectra measurements at 242 nm.
Rafal Abdulraheem Abdullah +1 more
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Spectrophotometric method for determination of Glucosamine Sulphate in dosage forms by derivatization using Quality by Design approach [PDF]
A Quality by Design approach was used to develop a sensitive spectrophotometric method for determination of glucosamine Sulphate in pharmaceutical dosage forms and optimize a derivatization reaction of glucosamine with o-phthalaldhyde.
rasha ahmed +3 more
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Aim : To develop a simple, accurate, rapid and precise UV spectrophotometric method for the estimation of atenolol in combination with losartan potassium and hydrochlorothiazide.
Sanjay Bari +3 more
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Development of method for the mineral water catalase activity determination
Biological effects of mineral water depend not only on the chemical composition but also on the metabolic products of microbial cenosis. Among numerous microorganisms constituting the autochthonous microflora of mineral waters, we do evolve the ...
O. М. Нiкiпелова +2 more
doaj +4 more sources
A simple, rapid, accurate and precise spectrophotometric method for simultaneous estimation of diclofenac sodium and papaverine hydrochloride in combined tablet and the dissolution media used in the release studies has been developed.
Regina Kasperek +4 more
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This study reveals that fossil shungite samples exhibit antioxidant activity, can reduce oxidized components, and bind to free radicals. A sample of Sh20 (size fraction—20 μm) (1.30 mg equivalents of ascorbic acid/g of shungite; 3.46 mg equivalents of ...
Liubov Skrypnik +7 more
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Validated, rapid and sensitive spectrophotometric techniques were established for simultaneous determination of Xipamide and Triamterene. The first technique based on determination of Triamterene with zero-crossing of Xipamide using zero order method at ...
Nermin Victor +3 more
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