Health And Nutrition: Vitamins

Prince Joshi

Health And Nutrition: Vitamins

16 Apr 2020

Introduction

Fat Soluble Vitamins: Vitamin A, D, E, And K

Essentials Of Essential Vitamins

Water Soluble Vitamins: Source, Function And Deficiency Diseases

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Questions

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Introduction

Vitamins:

Vitamins are the organic catalysts found in food in minute traces and have no calorific value but they are vital to physiological processes of the human body

Vitamins do not produce calories and have no calorific food value.
Vitamins are accessible food factors, needed in very small quantities continuously by the body.
The absence of vitamins in the Diet for a prolonged period, produce deficiency diseases, which are curable by supplying these in time.

Sources of Vitamins:

Synthesized in plants
Animals also Synthesise a few of them and store many of them.
Vitamin producing microbes present in the human intestine also Synthesise some Vitamins,
Example: Vitamin B-12 is Synthesised by microbes present in the large intestine of the human body.
Intestine microbes also bio-synthesize Vit. B1, Nicotinic acid, Vit. B12, Folic Acid, Vit. K etc.
Vitamin D is synthesized by human skin through ultraviolet rays from the Sun.
All food contains one or more vitamins in trace
Vitamins are also synthetically prepared in laboratories for large scale manufacturing for pharmaceutical concerns

Classification of Vitamins:

Fat-Soluble Vitamins:

Vitamine	Chemical Constituent
Vit. A	Retinol
Vit. D	Calciferol
Vit. E	Alpha-tocopherol
Vit K	Methyl phytyl naphthoquinone

Water-Soluble Vitamins:

Vitamine	Chemical Constituent
Vit. B1	Thiamine
Vit. B2	Riboflavin
Niacin	Nicotinic acid
Vit. B3	Pantothenic Acid
Vit. B6	Pyridoxine
Folic Acid	Pteroylglutamic acid (PGA)
Vit. H	Biotin
Vit. B12	Cyanocobalamine
Vit. Inositol
Vit. Choline and Methyl donor
Vit. C	Ascorbic Acid: water-soluble, thermolabile, highly oxidizable

Fat Soluble Vitamins: Vitamin A, D, E, And K

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Health And Nutrition: Vitamins

Health And Nutrition: Vitamins

Questions

Introduction

Vitamins:

Sources of Vitamins:

Classification of Vitamins:

Fat-Soluble Vitamins:

Water-Soluble Vitamins:

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