PIB TrackerA purple potato with eight times the zinc of a common potato
ICAR’s potato institute has published the nutrition profile of Kufri Jamunia, the third of its coloured biofortified varieties, against the yellow potato it would replace.
What happened
- A PIB backgrounder sets out ICAR-CPRI’s coloured biofortified potatoes - Kufri Neelkanth (2018), Kufri Manik (2021) and Kufri Jamunia - developed against hidden hunger.
- Kufri Jamunia has higher ascorbic acid, anthocyanin and carotenoid levels than the other two, with purple skin and purple flesh.
- Agronomy: 32-35 tonnes per hectare under recommended practice, about 49 t/ha in station trials at 90 days, 10-12 tubers per plant, marketable yield near 90 per cent, dormancy 6-8 weeks, good storage with low rottage.
- Nutrition per 100 g of flesh: anthocyanins 42.05 mg (80.66 mg in skin), Vitamin C 42.75 mg, carotenoids about 161 micrograms, zinc 22.77 ppm and iron 32.23 ppm.
- Against a common potato per 100 g: Vitamin C 42.75 against 23.15 mg, zinc 2.28 against 0.28 mg, iron 3.22 against 0.57 mg.
For Prelims
- Biofortification versus fortification: biofortification breeds nutrients into the crop, so nutrition travels with the seed and needs no processing industry; fortification adds nutrients during processing, as with iodised salt or fortified rice. The first suits subsistence consumption, the second a supply chain.
- Hidden hunger: micronutrient deficiency - iron, zinc, vitamin A, folate - with adequate calorie intake. It is the condition behind India’s anaemia prevalence, which NFHS-5 put at 57 per cent of women aged 15-49.
- Anthocyanins: water-soluble flavonoid pigments that give purple, red and blue colour, with antioxidant activity. Colour is the visible proxy for the compound, which is why coloured varieties are both the nutritional and the marketing proposition.
- ICAR-CPRI: the Central Potato Research Institute at Shimla, which releases varieties under the Kufri prefix - named for the Kufri research station - and supplies breeder seed through the national seed chain.
- India’s potato position: India is the second-largest potato producer in the world after China, with Uttar Pradesh and West Bengal dominating output - so a nutritional change in the potato reaches a very large number of plates.
- Why dormancy matters: potatoes sprout in storage, losing weight and quality; a six-to-eight-week dormancy gives a marketing window without cold storage, which is the practical constraint for a small grower.
- Other biofortified releases: India has released biofortified varieties across wheat, rice, pearl millet, mustard and sweet potato, several promoted through ICAR and the Poshan Abhiyaan framing of nutrition-sensitive agriculture.
- ppm and mg per 100 g: parts per million equals milligrams per kilogram, so 22.77 ppm is 2.28 mg per 100 g - the two figures in this release are the same number in different units, which is worth checking before quoting both.
For UPSC: The cleanest available example of nutrition-sensitive agriculture, with the yield and nutrition numbers in one place. Deploy it on hidden hunger and micronutrient deficiency, on biofortification against fortification, on agricultural research institutions and variety release, and on food and nutritional security.
What it is NOT: No cultivation area, no seed availability and no indication of how many farmers grow any of the three varieties - the difference between a released variety and an adopted one. No price realisation data, although consumer appeal is the stated advantage. No bioavailability evidence: zinc and iron in a tuber are not necessarily absorbed, and no feeding or retention study is cited. Nothing on how the nutrients survive boiling and frying, which is how potatoes are eaten, and nothing on whether these varieties are eligible for public procurement or nutrition programmes.
For Mains
Syllabus: GS3.11 · GS3.4 · Linkage L1
Anchor
ICAR’s potato institute has published the profile of Kufri Jamunia, a purple-fleshed biofortified variety carrying about eight times the zinc and nearly six times the iron of a common potato, with yields of 32 to 35 tonnes a hectare.
Substantiation (data)
Per 100 g of flesh: Vitamin C 42.75 mg against 23.15 in a common potato, zinc 2.28 mg against 0.28, iron 3.22 mg against 0.57, anthocyanins 42.05 mg in flesh and 80.66 in skin, carotenoids about 161 micrograms. Agronomically it gives 10 to 12 tubers a plant, about 49 tonnes a hectare in station trials, marketable yield near 90 per cent and dormancy of six to eight weeks. It follows Kufri Neelkanth (2018) and Kufri Manik (2021).
Position
What makes this variety interesting is that it does not ask the farmer to sacrifice anything. Biofortified crops usually trade yield for nutrition and then fail on adoption; this one reports commercial yields, high marketable share and storability, with the nutrition carried in a pigment that is also a selling point on the stall. For a country where potato is eaten daily and anaemia is endemic, nutrition that travels with the seed and needs no processing industry is the cheapest intervention available.
Counterpoint
Released is not grown. The release gives no area, no seed availability, no farmer count and no price realisation for any of the three varieties, the earliest of which is eight years old - and India’s record on biofortified variety adoption is poor precisely at that stage. Nor is bioavailability addressed: the mineral content of a raw tuber is not the mineral absorbed by a person who boils or fries it.
Way forward
Publish area under each variety, breeder and certified seed availability, and price realisation against common potato. A retention study through normal Indian cooking, and inclusion in mid-day meal or anganwadi procurement where available, would convert a laboratory profile into a nutrition outcome.
Conclusion
A potato that stores, yields and sells, carrying eight times the zinc - and eight years of released coloured varieties with no published figure for how much of it is actually in the ground.
Deploys into: Hidden hunger and micronutrient deficiency · Biofortification versus fortification · Agricultural research and variety release · Food and nutritional security
PIB Backgrounder · 2026-10-18 · PRID 2324875 · PIB source ↗