Folic Acid - Structure, Active Form, Functions and Deficiency || Folic Acid (Vitamin B9)

Folic Acid (Vitamin B9) - Structure, Active Form, Functions and Deficiency - This is the video on important water soluble vitamin i.e. Folic Acid (Vitamin B9) with example of theory questions and NEET PG MCQs.
00:00 - Introduction
00:42 - Examples of theory questions
01:22 - Folic Acid Structure
02:09 - Active form of folic acid
02:18 - Dietary sources of folic acid
02:45 - RDA of folic acid
03:06 - Synthesis of THFA (tetrahydrofolate)
03:44 - Biochemical functions of folic acid
03:51 - Role of folic acid in one carbon metabolism
05:15 - THFA dependent reactions/ One carbon group transfer
06:37 - Folate Trap
08:31 - Role of folic acid in one carbon metabolism
09:32 - Causes of folate deficiency
11:04 - Deficiency manifestations of folic acid
14:00 - FIGLU Test
14:33 - Folic Acid Therapy
15:02 - Folate Antagonist
17:23 - NEET PG Biochemistry MCQs

Folic Acid (Vitamin B9)
Structure
Folic acid consists of three components:
1. Pteridine ring,
2. P-amino benzoic acid (PABA) and
3. L-glutamic acid
In a folic acid molecule, the number of glutamic acid residues varies from one to seven. Folic acid usually has one glutamic acid residue.

Active Form of Folic acid
Tetrahydrofolate (THF) is the active form of folic acid.
Source
Folic acid is found in green leafy vegetables, liver, yeast.
The word folate is related to folium which means leaf in Latin.
It is absorbed from the upper part of jejunum
Tetrahydrofolate (THF) acts as a carrier of one-carbon units

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