At-Home Titration: Magnesium Hydroxide in Milk of Magnesia Using an Inexpensive Digital Balance and Natural Food Dye as Indicators

2021 ◽  
Author(s):  
Thomas S. Kuntzleman ◽  
Shane Corts ◽  
Anne Schmidt
Keyword(s):  
Magnesium Hydroxide ◽  
Natural Food ◽  
Food Dye ◽  
At Home

scholarly journals ENVIRONMENTAL AND GEOGRAPHIC STUDY OF BETANIN ACCUMULATION IN PROMISING RED BEET ACCESSIONS FROM THE VIR COLLECTION

2020 ◽  
Vol 180 (4) ◽  
pp. 66-74
Author(s):  
D. V. Sokolova
Keyword(s):  
Field Experiments ◽  
Negative Impact ◽  
Natural Food ◽  
Joint Stock Company ◽  
Stock Company ◽  
Experiment Station ◽  
Food Dye ◽  
Red Beet ◽  
Leningrad Province ◽  
Pigment Accumulation

Background. Table beet (Beta vulgaris L.) is a source of ‘betanin’, a natural food dye known as food additive E-162. The VIR collection holds a large diversity of red beet accessions. It is the base for obtaining source material to breed cultivars with high betanin content.Materials and methods. In the framework of this study, which lasted from 2015 to 2018, a group of 29 accessions identified during the screening was analyzed. The pigment was assessed at the laboratory of the ECO RESOURCE Joint-Stock Company using Spectrophotometer SF-2000. Field experiments were performed according to VIR’s guidelines in 2015–2017 at Pushkin and Pavlovsk Laboratories of VIR, Volgograd Experiment Station of VIR, and Maikop Experiment Station of VIR.Results. Environmental and geographic tests demonstrated that the ability to accumulate the pigment was variable among the red beet accessions, and its concentrations were notably different. The research showed that accumulation of betanin is primarily associated with agroclimatic growing conditions. The dynamics of pigment accumulation can be both positive and negative. The optimal zone for growing the studied accession is Leningrad Province, where the highest content of betanin was observed. Mid-ripening and cold-resistant old landraces were a reference point in the search for the desired genotypes.Conclusion. The process of pigment accumulation is extremely responsive to weather conditions, soil water balance, and watering uniformity. The negative impact of these factors would smooth down the crop’s varietal polymorphism. Diseases and insect pests have led to slowing and stopping the accumulation of betanin. As a result of the comprehensive agroecological study of prototypes, promising accessions were identified and recommended for cultivation in Leningrad Province with the aim of betanin production.

Comparative Study of Total Phenol, Flavonoid Contents and Antioxidant Activity in Canna indica and Hibiscus rosa sinensis: Prospective Natural Food Dyes

2008 ◽  
Vol 4 (3) ◽  
Author(s):  
Padma S Vankar ◽  
Jyoti Srivastava
Keyword(s):  
Antioxidant Activity ◽  
Radical Scavenging ◽  
Total Phenol ◽  
Total Phenolic ◽  
Natural Food ◽  
Dpph Assay ◽  
Canna Indica ◽  
Food Dye ◽  
Hibiscus Rosa Sinensis ◽  
Crude Extracts

In the present study the comparative data of total phenol and total flavonoid contents along with antioxidant activity were assessed in native Canna indica. Total phenolic contents were analyzed by a Folin-Ciocalteu reagent and antioxidant activity was analyzed by DPPH assay and TEAC assay, in crude methanolic extracts of red, yellow varieties of Canna indica and red variety of Hibiscus rosa sinensis. DPPH assay of crude extracts taking pyrogallol as standard show that fresh red canna extract has best results for radical scavenging. Stability of color content of canna towards pH and its pKa were assessed. Colorimetric analysis of crude extracts showed red canna extract to be the best in terms of its tinctorial strength, a pre-requisite for a food dye. On the basis of the results obtained, red canna flowers were found to serve as a potential source of natural antioxidant and a natural food colorant.

scholarly journals Chia seed mucilage as a potential encapsulating agent of a natural food dye

2020 ◽  
Vol 285 ◽  
pp. 110101 ◽  
Author(s):  
Jéssica Loraine D. Antigo ◽  
Ana Paula Stafussa ◽  
Rita de Cassia Bergamasco ◽  
Grasiele Scaramal Madrona
Keyword(s):  
Natural Food ◽  
Food Dye ◽  
Chia Seed ◽  
Seed Mucilage

scholarly journals The Inactivation by Curcumin-Mediated Photosensitization of Botrytis cinerea Spores Isolated from Strawberry Fruits

Toxins ◽  
2021 ◽  
Vol 13 (3) ◽  
pp. 196
Author(s):  
Li Huang ◽  
Ken W. L. Yong ◽  
W. Chrishanthi Fernando ◽  
Matheus Carpinelli de Jesus ◽  
James J. De Voss ◽  
...  
Keyword(s):  
Botrytis Cinerea ◽  
Food Industry ◽  
Fungal Spores ◽  
Grey Mould ◽  
Phytopathogenic Fungi ◽  
Natural Food ◽  
Percentage Reduction ◽  
Spore Viability ◽  
Food Dye ◽  
The Common

Photosensitization is a novel environmentally friendly technology with promising applications in the food industry to extend food shelf life. In this study, the natural food dye curcumin, when combined with visible light (430 nm), was shown to be an effective photosensitizer against the common phytopathogenic fungi Botrytis cinerea (the cause of grey mould). Production of the associated phytotoxic metabolites botrydial and dihydrobotrydial was measured by our newly developed and validated HRAM UPLC-MS/MS method, and was also shown to be reduced by this treatment. With a light dose of 120 J/cm2, the reduction in spore viability was directly proportional to curcumin concentrations, and the overall concentration of both botrydial and dihydrobotrydial also decreased with increasing curcumin concentration above 200 µM. With curcumin concentrations above 600 µM, the percentage reduction in fungal spores was close to 100%. When the dye concentration was increased to 800 µM, the spores were completely inactive and neither botrydial nor dihydrobotrydial could be detected. These results suggest that curcumin-mediated photosensitization is a potentially effective method to control B. cinerea spoilage, and also to reduce the formation of these phytotoxic botryane secondary metabolites.

scholarly journals Green Cellular Delivery of Copper Nanoparticle from Mirabilis Jalapa Flower Extract and Its Antipathogenic Activity

2020 ◽  
pp. 255-263
Author(s):  
C R Rathi ◽  
S N Suresh
Keyword(s):  
Copper Nanoparticles ◽  
Bacillus Species ◽  
Natural Food ◽  
Cellular Delivery ◽  
Klebsiella Species ◽  
Synthesis Of Nanoparticles ◽  
Flower Extract ◽  
Food Dye ◽  
Vis Spectroscopy ◽  
Mirabilis Jalapa

Bio friendly green modest synthesis of nanoparticles are the present research in the extremity of nanotechnology. This study has been undertaken to explore the determinants of copper nanoparticles from 1 mM CuSO4 solution through profuse concentration of aqueous flower extract of Mirabilis jalapa reducing besides immobilizing agent. The attribute of copper nanoparticles was studied by using UV-VIS spectroscopy SEM and XRD. The XRD spectrum of the copper nanoparticles established the presence of elemental copper signal. Green synthesized copper nanoparticles manifests the zone of inhibition against isolated human pathogenic (Streptococcus species, Bacillus species, Staphylococcus species, Klebsiella species and E. coli) bacteria. The analytical chassis contains the flower pigment betalain the natural food dye resources can efficiently use in the production of copper nanoparticles and it could be utilized in various fields in therapeutical and nanotechnology.

scholarly journals Mirabilis jalapa Flower Extract as Therapeutic Agent and Cellular Delivery by Nanoparticles

2021 ◽  
Vol 11 (1-s) ◽  
pp. 53-56
Author(s):  
C R Rathi ◽  
S. N. Suresh
Keyword(s):  
Iron Nanoparticles ◽  
Bacillus Species ◽  
Natural Food ◽  
Cellular Delivery ◽  
Klebsiella Species ◽  
Iron Nanoparticle ◽  
Flower Extract ◽  
Food Dye ◽  
Vis Spectroscopy ◽  
Mirabilis Jalapa

Bio friendly green modest syntheses of nanoparticles are the present research in the extremity of nanotechnology. This study has been undertaken to explore the determinants of iron nanoparticles from 1 mM FeSO4 solution through profuse concentration of aqueous flower extract of Mirabilis jalapa reducing besides immobilizing agent. The attribute of iron nanoparticles was studied by using UV-VIS spectroscopy SEM and XRD. The XRD spectrum of the iron nanoparticles established the presence of elemental copper signal. Green synthesized iron nanoparticle manifests the zone of inhibition against isolated human pathogenic (Streptococcus species, Bacillus species, Staphylococcus species, Klebsiella species and E. coli) bacteria. The analytical chassis contains the flower pigment betalain the natural food dye resources can efficiently use in the production of iron nanoparticle and it could be utilized in various fields in therapeutics and nanotechnology. Keywords: Nanoparticles, Mirabilis jalapa, UV-VIS spectroscopy, SEM- XRD.

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