MEDICINAL VALUE

Apart from carbohydrates, potato tubers are a rich source of vitamins, minerals and proteins. Potato is good for patients suffering from high blood pressure owing to presence of potassium and small amount of sodium. It contains vitamin C in substantial amount to meet the requirement of human being.

Nutritive Value:

The constituents of potato per 100 g

Sr.No.	Constituents	Weight (grams)
1	Water	74.70
2	Carbohydrates (Starch and Sugar)	22.60
3	Proteins	1.60
4	Fibre	0.40
5	Fat	0.10
6	Minerals	0.60

Source: Potato in India, Central Potato Research Institute (CPRI), Shimla

The Minerals and Vitamins as available in Potato are given below:

Sr.No.	Minerals / Vitamins	Content (mg/100 gm of fresh weight)
1	Calcium	7.7
2	Copper	0.15
3	Iron	0.75
4	Magnesium	24.2
5	Phosphorus	40.3
6	Potassium	568
7	Sodium	6.5
8	Vitamin C	14.0-25.0
9	Thiamin	0.18
10	Riboflavin	0.01-0.07
11	Niacin	0.4-3.1
12	Total Folate	5.0-35.0
13	Pyridoxine	0.13-0.25

Source: Potato in India, Central Potato Research Institute (CPRI), Shimla

Different agro-ecological zones of potato cultivation in India and the suitability of India potato varieties.

Sr.No	Agro-ecological Zone	Duration*	Recommended Variety
1	North-Western Plains	Early	‘Kufri Chandramukhi’, ‘Kufri Jawahar’, ‘ Kufri Kuber’
1	North-Western Plains	Medium	‘Kufri Alankar’, ‘Kufri Badshah’, ‘ Kufri Dewa’, ‘Kufri Pukharj’, ‘ Kufri Sheetman’, ’Kufri Sutlej’
2	North Eastern Plains	Early	‘ Kufri Ashoka’, ’Kufri Kuber’
2	North Eastern Plains	Medium	‘ Kufri Chipsona 1’, ’Kufri Chipsona 2’, ’Kufri Lalima’, ’Kufri Pukhar’, ‘Kufri Red’, ’Kufri Sutlej’
3	West Central Plains	Late	‘Kufri Safed’, ‘Kufri Sindhuri’
		Early	‘Kufri Chandramukhi’, ‘ Kufri Jawahar’,’Kufri Kuber’
		Medium	‘Kufri Chamatkar’, ‘ Kufri Kisan’, ‘ Kufri Sindhuri’
4	Plateau Region	Early	‘Kufri Chamatkar’, ‘ Kufri Jawahar’, ‘ Kufri Jyotir’, ’Kufri Kuber’, ’Kufri Lauvkar’
4	Plateau Region	Medium	‘Kufri Pukhraj’
5	North Western Hills	Medium	‘Kufri Giriraj’, Kufri Jyoti’, ‘Kufri Kundan’
5	North Western Hills	Late	‘Kufri Jeevan’, ‘Kufri Kumar’
6	North Eastern Hills	Medium	Kufri Giriraj’, Kufri Jyoti’, ‘Kufri Megha’
6	North Eastern Hills	Late	Kufri Khasigaro’, Kufri Naveen’,
7	North Bengal and Sikkim hills. Southern hills	Medium	‘Kufri Jyoti’, ’Kufri Kanchan’, ‘ Kufri Sherpa’
		Medium	‘Kufri Giriraj’, ’Kufri jyoti’,’Kufri Muthu’, Kufri Swarna’
		Late	‘Kufri Neela’, ‘Kufri Neelamani’

* Early, 78-80 days: Medium, 90-100 days; and late, 100-110 days