Results 21 to 30 of about 64,532 (258)

Fungal Pigments: Their Diversity, Chemistry, Food and Non-Food Applications

open access: yesApplied Microbiology, 2023
Colorants have many applications in food, cosmetics, pharmaceutics, textile, paints, plastics, paper, ink and photographic industries. Colorants are classified according to their solubility into dyes and pigments.
Waill Elkhateeb, Ghoson Daba
doaj   +1 more source

Synthesis of Dioxo-Dioxane and Dioxo-Dioxepane Ethyl Oleate Derivatives as Bio-Lubricant Base Stocks

open access: yesIndonesian Journal of Chemistry, 2020
In this study, two novel compounds, i.e., ethyl 8-(3-octyl-5,6-dioxo-1,4-dioxan-2-yl)octanoate and ethyl 8-(3-octyl-5,7-dioxo-1,4-dioxepan-2-yl)octanoate were prepared from oleic acid as the starting material.
Tutik Dwi Wahyuningsih   +1 more
doaj   +1 more source

Safety Evaluation of Fungal Pigments for Food Applications

open access: yesJournal of Fungi, 2021
Pigments play a major role in many industries. Natural colors are usually much safer when compared to synthetic colors and may even possess some medicinal benefits. Synthetic colors are economical and can easily be produced compared to natural colors. In
Rajendran Poorniammal   +3 more
doaj   +1 more source

Nature of the Pigment of Aplysia depilans [PDF]

open access: yesNature, 1955
BY heating an aqueous solution of the actual excretion of the Mediterranean sea-slug Aplysia depilans, the violet pigment is separated from its protein part. The colour of the aqueous solution varies conformably with the pH, from blue (pH 1—2) to garnet red (pH 8—12.0).
openaire   +2 more sources

Fungal and Bacterial Pigments: Secondary Metabolites with Wide Applications

open access: yesFrontiers in Microbiology, 2017
The demand for natural colors is increasing day by day due to harmful effects of some synthetic dyes. Bacterial and fungal pigments provide a readily available alternative source of naturally derived pigments.
Manik Prabhu Narsing Rao   +3 more
doaj   +1 more source

Bioactive Compounds and the Performance of Proteins as Wall Materials for Their Encapsulation

open access: yesMicro
The encapsulation of bioactive compounds using proteins as wall materials has emerged as an effective strategy to enhance their stability, bioavailability, and controlled release.
Therys Senna de Castro Oliveira   +6 more
doaj   +1 more source

Nanoemulsion-Based Delivery of Essential Oils for Controlling Foodborne Pathogens and Spoilage Microorganisms

open access: yesMicro
The increasing incidence of foodborne diseases and the limitations of conventional preservation methods have driven the search for safer, more effective, and sustainable antimicrobial strategies.
Diego Pádua de Almeida   +6 more
doaj   +1 more source

THE NATURE OF THE LAMPREY VISUAL PIGMENT [PDF]

open access: yesThe Journal of General Physiology, 1956
From the retina of the land-locked population of the sea lamprey, Petromyzon marinus, a photolabile pigment was extracted which was identified spectrophotometrically as a member of the rhodopsin group of pigments. Using the absorption spectrum of a relatively pure solution and analysis by means of difference spectra, the peak of this pigment was placed
openaire   +2 more sources

Bacterial Pigments: The Bioactivities and as an Alternative for Therapeutic Applications

open access: yesNatural Product Communications, 2018
Synthetic pigments have been widely used in various applications since the 1980s. However, the hyperallergenicity or carcinogenicity effects of synthetic dyes have led to the increased research on natural pigments.
Adzzie-Shazleen Azman   +2 more
doaj   +1 more source

Biopigments of Microbial Origin and Their Application in the Cosmetic Industry

open access: yesCosmetics, 2023
Along with serving as a source of color, many microbial pigments have gained attention as interesting bioactive molecules with potential health advantages.
Manal Jameel Kiki
doaj   +1 more source

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