malate

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malate

 [ma´lāt]
a salt of malic acid.

mal·ate

(mal'āt),
A salt or ester of malic acid.

mal·ate

(mal'āt)
A salt or ester of malic acid.
Malic acidclick for a larger image
Fig. 215 Malic acid . Molecular structure.

malic acid

or

malate

a four-carbon organic acid which is an intermediate step in the KREBS CYCLE, formed by the HYDROLYSIS of fumaric acid (see Fig. 215 ). Malic acid is also important in C4 PLANTS (such as sugar cane), in which carbon is ‘captured’ from CO2 to form malic acid and other C4 acids in MESOPHYLL cells, before being transferred to the CALVIN CYCLE taking place in the CHLOROPLASTS of special cells nearby. see KRANZ ANATOMY.