Floral Extract
Floral Extract - Related Videos
12:32
Colletotrichum fioriniae Development in Water and Chloroform-based Blueberry and Cranberry Floral Extracts
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2019
Here, bioassays designed to monitor the development of a fungal pathogen, Colletotrichum fioriniae, in the presence of blueberry or cranberry floral extracts on glass coverslips are described. Water-, chloroform-, and field rainwater- based floral extraction techniques are detailed as well as insight into how this information can be applied.
10:24
Floral-dip Transformation of Arabidopsis thaliana to Examine pTSO2::β-glucuronidase Reporter Gene Expression
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Cited by 21 •
2010
This article illustrates the floral-dip method of Agrobacterium tumefaciens -mediated transformation of Arabidopsis thaliana. By introducing a cell-cycle regulated promoter-reporter, pTSO2::β-glucuronidase (GUS), into Arabidopsis, we illustrates how one detects GUS reporter expression in transgenic seedlings.
04:54
Flavonoid Content During the Growth and Floral Development of Calendula officinalis L.
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Cited by 1 •
2025
Here, we present the aluminum chloride colorimetric method, a direct analytical technique to determine flavonoids in calendula quantitatively. This approach utilizes a straightforward chemical reaction involving treating the calendula extract with an aluminum chloride reagent, forming a colored complex. The color intensity, assessed using spectrophotometry, correlates with the flavonoid concentration.
02:55
Extraction - Concepts
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2020
Extraction Extraction is a common technique used in organic chemistry to isolate a target compound. In the extraction process, a solute is transferred from one phase to another to separate it from unreacted starting materials or impurities. Extraction is also used to facilitate the isolation of a solute from a reaction solvent that is difficult to remove by evaporation, such as a solvent with a high boiling point. Generally, there are three types of extractions. First, in solid-liquid...
06:42
Extraction of Biomarkers from Sediments - Accelerated Solvent Extraction
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2023
Source: Laboratory of Jeff Salacup - University of Massachusetts Amherst The distribution of a group of organic biomarkers called glycerol-dialkyl glycerol-tetraethers (GDGTs), produced by a suite of archaea and bacteria, were found in modern sediments to change in a predictable manner in response to air or water temperature1,2. Therefore, the distribution of these biomarkers in a sequence of sediments of known age can be used to reconstruct the evolution of air and/or water temperature on...
FAQs
Solvent selection and operating conditions determine which soluble constituents move from floral tissue into the preparation, influencing both composition and yield. Consequently, two extracts made from the same flower can differ in their relative representation of pigments, phenolic compounds, and volatile molecules. Controlled conditions are therefore important when comparing samples across experiments or environments.
Fresh and dried floral tissue can both serve as starting material, but they are not interchangeable experimental inputs. Their use should be recorded because extraction conditions influence the compounds recovered and the amount obtained. Keeping the tissue state consistent helps researchers distinguish differences associated with environmental conditions from differences introduced during sample preparation.
These constituent groups represent chemically different classes of soluble floral material, so their presence contributes differently to the extract’s overall profile. A preparation may therefore be considered not only by total yield but also by which groups it contains. This distinction supports characterization of plant responses and evaluation of extracts for downstream uses.
Chemical profiles provide a way to compare floral material among plant species or habitats. Differences in the observed profile can help characterize how plants respond to environmental stress, while standardized extraction conditions make comparisons more interpretable. The extract serves as a chemical record for comparison, rather than a complete explanation of why a plant experienced a particular environmental condition.
A typical workflow begins by selecting fresh or dried floral tissue, contacting it with a suitable solvent, allowing soluble constituents to dissolve, filtering the mixture, and removing the solvent. The resulting concentrated preparation can then be examined for its chemical profile. Recording the starting material and extraction conditions is important because both affect yield and composition.
Researchers should document the tissue state, solvent used, contact conditions, filtration, and solvent-removal stage. These factors influence how constituents are transferred into and retained in the final preparation, so changes can alter yield or chemical composition. Consistent handling is especially important when extracts are compared across species, habitats, or environmental-stress experiments.
Environmental researchers can use these preparations to characterize plant responses to environmental stress and to compare chemical profiles among species or habitats. The approach is useful when the research question concerns soluble floral constituents, such as pigments, phenolic compounds, or volatile molecules. Results can connect sample chemistry with ecological context while keeping the analysis focused on floral material.
Floral extracts provide natural materials for studying biodegradable product development, while their pigment and other chemical constituents offer properties worth characterizing. Researchers can first prepare and profile the extract, then assess its suitability within the intended development work. This application extends environmental relevance beyond stress studies by linking plant-derived chemistry with biodegradable materials.