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Definition of Chlorophyll a
1. Noun. A blue-black plant pigment having a blue-green alcohol solution; found in all higher plants.
Medical Definition of Chlorophyll a
1. Magnesium(II) pheophytinate a [(pheophytina to a)magnesium(II)];the major pigment found in all oxygen-evolving photosynthetic organisms (higher plants, and red and green algae). (05 Mar 2000)
Lexicographical Neighbors of Chlorophyll A
Literary usage of Chlorophyll a
Below you will find example usage of this term as found in modern and/or classical literature:
1. Science by American Association for the Advancement of Science (1883)
"These are the blue-green algae, which, in addition to chlorophyll a, contain
phycobilins, two unusual porphyrins related to the bile pigments (57) in their ..."
2. Principles of General Physiology by William Maddock Bayliss (1920)
"To split off the magnesium from them acid is necessary, and we then obtain
the "porphyrins." Thus :— chlorophyll a (by acid) (by alkali) Magnesium + ..."
3. Untersuchungen über Chlorophyll: Pioneer History of the Territorial and by State Library of Iowa, Johnson Brigham, Richard Willstätter, Arthur Stoll, Berlin Kaiser Wilhelm-institut für chemie (1913)
"B. 3,7 g chlorophyll a und 1,15 gb, während 2,3 g ... In Aceton, Chloroform und
Schwefelkohlenstoff ist chlorophyll a spielend, auch in Benzol sehr leicht ..."
4. Practical organic and bio-chemistry by Robert Henry Aders Plimmer (1920)
"chlorophyll a differs from chlorophyll b in containing a lactam group, ...
COO CH, \ /CO 7 NH r chlorophyll a Chlorophyll 6. Both chlorophyll a and ..."
5. An Introduction to the Chemistry of Plant Products by Paul Haas, Thomas George Hill (1917)
"Chlorophyll (a and b). Analysis agrees with formula C, ... From the above data
it will be seen that neither ordinary chlorophyll (a and fr) nor either of ..."
6. Carotinoids and Related Pigments: The Chromolipoids by Leroy Sheldon Palmer (1922)
"chlorophyll a is thereby oxidized to chlorophyll 6. Carotin then withdraws the
oxygen from chlorophyll 6, reducing it again to chlorophyll a, the carotin at ..."
7. The Chemistry of Plant Life by Roscoe Wilfred Thatcher (1921)
"Both are amorphous powders, from which crystalline chlorophyll (see below) can
be obtained by hydrolysis. chlorophyll a is blue-black, is easily soluble in ..."
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