Results 31 to 40 of about 3,314 (217)

Potential use of new Colombian sources of betalains. Colorimetric study of red prickly pear (Opuntia dillenii) extracts under different technological conditions [PDF]

open access: yes, 2015
A new source of betalains to be used as natural colorant (Opuntia dillenii) has been studied. The stability of O.dillenii extracts in different pHs and temperatures over time has been scrutinized.
Cejudo Bastante, María Jesús   +2 more
core   +1 more source

Kinetics of thermal degradation of betacyanins, betaxantins and vitamin C in a juice-based drink beet (Beta vulgaris l.) and honey

open access: yesScientia Agropecuaria, 2015
The kinetic of degradation betacyanins, betaxantins and vitamin C at 30 °C, 40 °C and 50 ºC was evaluated in a commercial beverage made of beet and honey, using the kinetic models of zero, first and second order; and Arrhenius model to evaluate the ...
William Sánchez-Chávez   +3 more
doaj   +1 more source

Bioactive Betalain Extracts from Cactus Pear Fruit Pulp, Beetroot Tubers, and Amaranth Leaves

open access: yesMolecules, 2021
Natural food items and the additional benefits they provide have received considerable attention in recent years. Betalains are nutritious pigments which have valuable biological properties, e.g., antioxidant and free radical scavenging activity. In this
Vuyisa Sigwela   +4 more
doaj   +1 more source

Effect of temperature on betacyanins synthesis and the transcriptome of Suaeda salsa

open access: yesFrontiers in Plant Science, 2023
IntroductionSuaeda salsa (Linn.) Pall. is an important tourist resource and ecological restoration species in coastal wetlands. Environmental factors such as low temperature, darkness, phytohormone, salt stress and seawater flflooding, and light can ...
Min Li   +9 more
doaj   +1 more source

Gomphrena globosa L. as a source of natural pigments: characterization in betacyanins [PDF]

open access: yes, 2017
No presente trabalho, descreve -se a composição em betacianidinas (classe das betalaínas com pigmentação vermelha- -roxo) da perpétua roxa (Gomphrena globosa L.), de forma a destacar esta planta como fonte alternativa de corantes naturais.
Barros, Lillian   +4 more
core   +1 more source

Betalain Content and Morphological Characteristics of Table Beet Accessions: Their Interplay with Abiotic Factors

open access: yesAgronomy, 2022
Table beet (Beta vulgaris L.) is a source of the natural red-colored food dye (E162), highly demanded for the broad spectrum of its biological activity. The relevance of this study is dictated by the lack of knowledge about the dynamics of changes in the
Diana V. Sokolova   +3 more
doaj   +1 more source

Absorption, excretion, and distribution of dietary antioxidant betalains in LDLs: potential health effects of betalains in humans [PDF]

open access: yes, 2004
Background: Betalains were recently identified as natural antioxidants. However, little is known about their bioavailability from dietary sources. Objective: The objective was to evaluate the bioavailability of betalains from dietary sources. Design:
ALLEGRA, Mario   +3 more
core   +1 more source

The Redox Properties of Polyphenols and Their Role in ROS Generation for Biomedical Applications

open access: yesAngewandte Chemie, Volume 138, Issue 3, 16 January 2026.
The dual redox nature of polyphenols enables antioxidant activity and controlled reactive oxygen species (ROS) generation. This review details the biomedical applications of polyphenols in materials such as nanoparticles, coatings, and hydrogels for antimicrobial, tissue regeneration, and cancer therapies.
Jose Bolaños‐Cardet   +7 more
wiley   +2 more sources

Preparation, Characterization, and Application of pH-Response Color-Changeable Films Based on Pullulan, Cooked Amaranth (Amaranthus tricolor L.) Juice, and Bergamot Essential Oil

open access: yesFoods, 2023
Pullulan-based smart packaging films were prepared by mixing cooked amaranth juice and bergamot essential oil. The impact of cooked amaranth juice and bergamot essential oil on the color-changeability, structural characterization, and barrier ...
Fengfeng Xu   +5 more
doaj   +1 more source

Biosynthesis of food constituents: Natural pigments: Part 1

open access: yesCzech Journal of Food Sciences, 2007
This review article gives a survey of the generally accepted biosynthetic pathways that lead to the most important natural pigments in organisms closely related to foods and feeds.
Jan Velíšek   +2 more
doaj   +1 more source

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