Blue-green. Most plants appear green because they do no absorb green pigments.
In spinach leaves, two pigments were separated: chlorophyll a and chlorophyll b. In maple leaves, one pigment was separated: carotene.
The process of chromatography relates to the overall process of photosynthesis because photosynthesis is the source of food for plants. Plants use sunlight, CO2 and water to make energy in the form of glucose. The role of pigments in this is that pigments help to create energy in plants by absorbing sunlight. Pigments can absorb or reflect certain light waves according to their specific wavelengths which can be determined by the colour of the pigment. Different colours of pigments have different corresponding wavelengths. The pigment, chlorophyll, found in most plants is the one most associated with photosynthesis. This pigment reflects green wavelength because they provide less energy and reflects it for us to view the plant as green. An example of this would be spinach. This green plant contains multiple pigments. It contains chlorophyll which reflects green light and also contains multiple other pigments which pass through the leaf to be used in photosynthesis. Particularly intense reflection increases the colour of the plant and since green plants contain an abundance of chlorophyll to reflect as much green light as possible, we see spinach as a dark green plant.
The provitamin form of vitamin A found in plant pigments is known as beta-carotene. Beta-carotene is a type of carotenoid that can be converted into active vitamin A in the body as needed. It is commonly found in fruits and vegetables such as carrots, sweet potatoes, and spinach.
The green color in lettuce leaves comes from chlorophyll, which is the primary pigment responsible for photosynthesis. Additionally, there may be small amounts of other pigments like carotenoids, which can contribute to the overall color of the leaves.
Spinach is a plant. So they do have chloroplasts
The pigments of Malabar spinach are purplish while those of regular spinach are entirely green.
The separation of pigments in the spinach extract occurred due to differences in their solubility and affinity for the chromatography medium. Each pigment, such as chlorophyll a, chlorophyll b, and carotenoids, interacts uniquely with the solvent and the stationary phase, causing them to travel at different rates. As the solvent moves up the chromatography paper, the pigments are carried along but separate based on these varying interactions, resulting in distinct bands of color.
Chlorophyll, carotenoids, pheophytins and xanthophylls
The pH value of palak (spinach) extract can vary depending on factors such as the freshness of the spinach and any processing it has undergone. On average, palak extract is slightly acidic with a pH range typically around 5.5 to 6.5.
In spinach leaves, two pigments were separated: chlorophyll a and chlorophyll b. In maple leaves, one pigment was separated: carotene.
The pigments melanin and carotene contribute to skin color. Carotene is found in foods such as carrots, sweet potatoes, apricots, spinach and broccoli.
I don't know the source of your "bright light". If it's sunlight, which of course has some UV in it, or if you take the extract into a dark room and shine a "black light" on it, you will see fluorescence. The source of the red color is chlorophyll. When in place in the leaf, the electrons of chlorophyll absorb solar energy. These excited electrons then fall into an electron transport chain that will strip them of the added energy, using that energy to form ATP and NADPH. The red color you see when you illuminate chlorophyll in a spinach extract with UV is the fall of those "excited state electrons" back into their "ground state". In falling, they shed their energy in the form of red light.
Yes. it is also called Retinol (because it produces the pigments for the retina of the eye) and Carotenoids (dark colored pigments in plant foods, like carrots and spinach).
Spinach, as well as other vegetables that have iron in them, have a form that is not very easily absorbed (non-heme iron), while iron from animal sources is much more easily absorbed (heme iron).
Phaeophytin and chlorophyll a are typically present in spinach, but their absence could occur due to specific conditions such as degradation or improper storage, which can lead to the breakdown of chlorophyll pigments. Additionally, during certain processing methods, such as cooking or exposure to light, chlorophyll can degrade into phaeophytin, resulting in a color change. If spinach is not fresh or has been subjected to adverse environmental conditions, these pigments may be diminished or absent.
To extract iron from spinach, you can start by cooking the spinach, as heat can help break down cell walls and release nutrients. After cooking, blend the spinach with water to create a puree, which will help in extracting the iron. You can also consider using an acidic medium, like lemon juice or vinegar, to enhance iron absorption, as vitamin C increases the bioavailability of non-heme iron found in plant sources. Finally, consume the spinach puree as part of a meal to maximize iron absorption.
William Flora has written: 'Investigation of the interaction between sulfur dioxide and the photosynthetic pigments from spinach'