Nutritional losses: Nigeria - Rice - 2019

Equivalent number of people’s annual dietary requirements (number of national weighted average people)
Nigeria total Abia Abuja Federal Capital Territory Adamawa Akwa Ibom Anambra Bauchi Bayelsa Benue Borno Cross River Delta Ebonyi Edo Ekiti Enugu Gombe Imo Jigawa Kaduna Kano Katsina Kebbi Kogi Kwara Lagos Nasarawa Niger Ogun Ondo Osun Oyo Plateau Rivers Sokoto Taraba Yobe Zamfara
Energy   4,135,134 26,955 207,576 140,363 11,387 47,501 122,893 45,477 268,860 87,184 73,080 23,037 66,902 70,559 67,623 45,941 105,804 38,290 112,490 174,842 193,590 107,917 206,285 274,273 216,801 40,032 206,565 313,260 42,439 59,898 53,690 52,124 126,035 36,437 75,784 202,973 74,682 115,584  
Carbohydrate   5,937,531 38,704 298,052 201,544 16,350 68,206 176,460 65,299 386,049 125,185 104,934 33,078 96,063 101,314 97,098 65,965 151,921 54,979 161,521 251,052 277,972 154,955 296,199 393,821 311,299 57,481 296,601 449,801 60,937 86,007 77,092 74,844 180,971 52,319 108,817 291,444 107,235 165,964  
Protein   5,773,408 37,634 289,814 195,973 15,898 66,321 171,582 63,494 375,378 121,725 102,034 32,164 93,408 98,514 94,414 64,142 147,722 53,460 157,056 244,112 270,288 150,672 288,012 382,935 302,694 55,892 288,403 437,368 59,252 83,629 74,961 72,775 175,968 50,872 105,809 283,388 104,270 161,377  
Fat   232,195 1,514 11,656 7,882 639.4 2,667 6,901 2,554 15,097 4,896 4,104 1,294 3,757 3,962 3,797 2,580 5,941 2,150 6,316 9,818 10,870 6,060 11,583 15,401 12,174 2,248 11,599 17,590 2,383 3,363 3,015 2,927 7,077 2,046 4,255 11,397 4,194 6,490  
Fibre, total dietary   1,191,510 7,767 59,812 40,445 3,281 13,687 35,411 13,104 77,470 25,121 21,058 6,638 19,277 20,331 19,485 13,237 30,487 11,033 32,413 50,380 55,782 31,096 59,440 79,030 62,470 11,535 59,520 90,264 12,228 17,259 15,470 15,019 36,316 10,499 21,837 58,485 21,519 33,305  
Calcium, Ca   391,406 2,551 19,648 13,286 1,078 4,496 11,632 4,305 25,449 8,252 6,917 2,181 6,333 6,679 6,401 4,348 10,015 3,624 10,648 16,550 18,324 10,215 19,526 25,961 20,521 3,789 19,552 29,651 4,017 5,670 5,082 4,934 11,930 3,449 7,173 19,212 7,069 10,940  
Iron, Fe   4,053,769 26,424 203,491 137,601 11,163 46,567 120,475 44,582 263,570 85,468 71,642 22,584 65,586 69,171 66,292 45,037 103,722 37,536 110,276 171,402 189,781 105,794 202,226 268,876 212,535 39,245 202,501 307,096 41,604 58,720 52,633 51,098 123,555 35,720 74,293 198,979 73,213 113,310  
Zinc, Zn   3,359,830 21,901 168,657 114,046 9,252 38,595 99,852 36,950 218,451 70,838 59,378 18,718 54,359 57,330 54,944 37,327 85,967 31,111 91,399 142,061 157,294 87,683 167,608 222,849 176,152 32,527 167,836 254,526 34,482 48,668 43,623 42,351 102,405 29,605 61,575 164,917 60,680 93,913  
Folate, total   2,031,849 13,245 101,995 68,969 5,595 23,340 60,385 22,345 132,108 42,839 35,909 11,319 32,873 34,670 33,227 22,573 51,988 18,814 55,273 85,911 95,123 53,026 101,361 134,767 106,528 19,670 101,498 153,924 20,853 29,432 26,381 25,612 61,929 17,904 37,238 99,733 36,696 56,794  
Vitamin A (RAE)   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  
Vitamin C   - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -  

Data version 2.19.3

Nutritional losses

639.4 people 449,801 people

Nutritional Loss

Complete data

Specified to local conditions

Incomplete data

Some contextual data is missing

Minimal data

Postharvest loss profiles only

–No data

Not applicable or no data available

Nutritional losses

APHLIS postharvest loss figures have been combined with food composition data to determine the quantities of macronutrients (carbohydrates, proteins, fats), calories and micronutrients (including iron, zinc, calcium, vitamin A and C) lost annually due to postharvest losses of the different crops in each sub-Saharan African country.

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Annual recommended dietary intake datasets are then used to calculate the human impact of these crop postharvest losses of nutrients for each country, and for specific focal groups (e.g. women of reproductive age) within each country. A more detailed description of the nutritional postharvest loss and human impact calculation process will be made available shortly in Stathers et al.

Read more about how APHLIS estimates losses ›

Available metrics

Absolute value this shows the ‘absolute value' of the amount of the selected crop lost annually postharvest in either kcals (for energy value) or tonnes (for each of the macronutrients (carbohydrates, proteins, fats) or micronutrients (including iron, zinc, calcium, vitamin A and C)).

Percentage loss (%) when 'Nutrients Lost %' dataview and 'Percentage loss (%)' metric are selected, this shows the cumulative % loss in weight of macronutrients (carbohydrates, proteins, fats), calories and micronutrients (including iron, zinc, calcium, vitamin A and C) lost annually due to postharvest losses in the selected country, crop and year combination. This figure is the same as the 'Percentage loss (%)' shown in the Losses table tab.

When any of the population group dataviews (for example, 'National Weighted Average Persons', 'Women of Reproductive Age', 'Children (7 months - 4 years)' and 'Percentage loss (%)' metric are selected, this shows what percentage of that population group's annual nutrient intake requirements of the selected nutrient/s was lost postharvest in the selected country, crop and year combination.

Data views

Nutrients Lost (quantity) when the 'Absolute value' metric is selected, this dataview shows the quantity of selected nutrients lost postharvest (in kcal or t) for selected crop, country and year combination.

When the 'Percentage loss (%)' metric is selected, this dataview shows the percentage of nutrients lost postharvest for selected crop, country and year combination.

National Weighted Average (number of national weighted average persons) when the 'Absolute value' metric is selected, this dataview shows what the postharvest losses for the selected crop, country and year combination equate to in terms of annual nutrient intake requirements for how many average people from the selected country calculated based on the proportion of the population in each life-stage group in the selected country and their nutritional requirements. The data used for nutritional requirements of each nutrient is described in the section below 'About the nutrients' [Data for calculations sourced from: UNDESA, 2017; USAID, undated; IoM, 2005; 2011; FAO/WHO, 2007; FAO, 2011; NDC, 2015].

When the 'Percentage loss (%)' metric is selected, this dataview shows the percentage of national populations annual nutrient intake requirements lost postharvest (using weighted average person per country calculations). The data used for nutritional requirements of each nutrient is described in the section below 'About the nutrients'.  [Data for calculations sourced from: UNDESA, 2017; USAID, undated; IoM, 2005; 2011; FAO/WHO, 2007; FAO, 2011; NDC, 2015]

Women of reproductive age (number of women 14-50 years) when the 'Absolute value' metric is selected, this dataview shows what the postharvest losses for the selected crop, country and year combination equate to in terms of annual nutrient intake requirements for how many average women of reproductive age (14-50 years) from the selected country calculated based on the nutritional requirements of women in this age range and the proportion of non-pregnant, pregnant and breastfeeding women in these life-stage groups per country. The data used for nutritional requirements of each nutrient is described in the section below 'About the nutrients' [Data for calculations sourced from: UNDESA, 2017; USAID, undated; IoM, 2005; 2011; FAO/WHO, 2007; FAO, 2011; NDC, 2015].

When the 'Percentage loss (%)' metric is selected, this dataview shows the percentage of national population of women 14-50 years olds’ annual nutrient intake requirements lost postharvest (using weighted average woman 14-50 years old, nutrient requirement per country calculations, which use the proportion of non-pregnant, pregnant and breastfeeding women in this age group). The data used for nutritional requirements of each nutrient is described in the section below 'About the nutrients'. [Data for calculations sourced from: UNDESA, 2017; USAID, undated; IoM, 2005; 2011; FAO/WHO, 2007; FAO, 2011; NDC, 2015]

Children (number of children 7 months - 4 years) when the 'Absolute value' metric is selected, this dataview shows what the postharvest losses for the selected crop, country and year combination equate to in terms of annual nutrient intake requirements for how many average children between 7 months and 5 years old from the selected country calculated based on the nutritional requirements of children in these age ranges and their demographic proportions in the selected country. The data used for nutritional requirements of each nutrient is described in the section below 'About the nutrients' [Data for calculations sourced from: UNDESA, 2017; USAID, undated; IoM, 2005; 2011; FAO/WHO, 2007; FAO, 2011; NDC, 2015].

When the 'Percentage loss (%)' metric is selected, this dataview shows the percentage of national population of 7 month to <5 years old annual nutrient intake requirements lost postharvest (using weighted average 7 month to <5 years nutrient requirement per country calculations, which depend on demographic structure of the population). The data used for nutritional requirements of each nutrient is described in the section below 'About the nutrients'. [Data for calculations sourced from: UNDESA, 2017; USAID, undated; IoM, 2005; 2011; FAO/WHO, 2007; FAO, 2011; NDC, 2015]

About the nutrients

When a country and a crop have been selected, the user can in the 'Nutrient' field select to view postharvest losses in terms of a specific nutrient (for example, Carbohydrate, or Zinc, or Vitamin A) by selecting the specific nutrient, or for all the nutrients simultaneously by selecting 'All items'.

All items selection of the 'All items' option in the Nutrient field produces a dataview with a table showing data for each of the nutrients listed below. Alternatively, by selecting a specific nutrient, for example, 'Carbohydrate', the Carbohydrate loss data for the selected crop for each province of the selected country is shown. 

Energy annual Estimated Energy Requirement (EER) for Active Physical Activity Level used from 4 year old life-stage group onwards using reference body weights based on healthy body mass index. [Source: Institute of Medicine (IoM), 2005]

Carbohydrate figures based on 62.5% of energy from carbohydrates, using FAO/WHO (2007) scientific update on carbohydrates in human nutrition, which recommends 50-75%E from carbohydrates [Source: FAO/WHO, 2007]

Protein figures based on per kg Estimated Average Requirement (EAR) and reference body weights [Source: IoM, 2005]

Fat figures for life-stages of >1 years old use FAO guidelines of 20-35% of energy from fat [Source: FAO (2010)]. Figures for 0-12 month olds from IoM (2005).

Fibre, total dietary based on an adequate intake (AI) values of (14g fibre/1,000kcal/d) [Source: IoM, 2005]

Calcium, Ca figures use EARs (>1 year olds) or AIs (0-12 months olds) for specified lifestage group [Source: IoM, 2011]

Iron, Fe figures use EARs (>1 year olds) or AIs (0-12 months olds) for specified lifestage group [Source: IoM, 2011], converted to reflect the assumption of 12% iron bioavailability in diets with some haem iron and vit C as per Nutrition for Developing Countries (NDC) (2015) assumptions.

Zinc, Zn figures use EARs (>1 year olds) or AIs (0-12 months olds) for specified lifestage group [Source: IoM, 2011], converted to reflect the assumption of low zinc bioavailability in heavily cereal-based diets [Source: NDC, 2015; Governments of Australia and New Zealand, 2019]

Folate, total figures use EARs (>1 year olds) or AIs (0-12 months olds) for specified lifestage group [Source: IoM, 2011]

Vitamin A (RAE) figures use EARs (>1 year olds) or AIs (0-12 months olds) of retinol activity equivalents (RAEs) for specified lifestage group. 1 RAE = 1mcg retinol, 12 mcg beta-carotene, 24 mcg alpha-carotene, or 24 mcg beta-cryptoxanthin [Source: IoM, 2011]

Vitamin C figures use EARs (>1 year olds) or AIs (0-12 months olds) for specified lifestage group [Source: IoM, 2011]

Food composition tables

Food composition tables provide data on the amounts of the nutritionally important components of different foods and crops. Food composition data include energy values, and nutrients such as carbohydrate, protein, fat, dietary fibre, calcium, iron, zinc, folate, vitamin A and vitamin C.

However, different varieties of a crop may differ in terms of the relative amounts of nutrients they contain, due to genetic differences, additionally the soil and climate conditions during crop production can significantly influence the nutrient content of crops. To date, detailed data sets of the nutrient composition of different varieties grown under different conditions or in different locations are not available. To try and help account for some of the varietal difference between regions, the APHLIS nutritional postharvest loss (NPHL) tool uses data from four food composition tables to provide representative nutrient composition data for the focal crops, these are the Tanzania, West Africa, Lesotho, and the United States Department of Agriculture (USDA) datasets described below.  Depending on the country the user has selected, the food composition data from the Tanzania, West Africa or Lesotho dataset will be automatically selected based on geographical regions. If desired, the user can instead select one of the other food composition tables or the USDA table. Additional food composition tables or datasets can be added, please contact the APHLIS team regarding this. 

Tanzania, 2008 by selecting the Tanzania, 2008 food composition table the quantity of nutrients lost postharvest will be calculated based on the composition of the selected crop as shown in this food composition table. Muhimbili University of Health and Allie Sciences, Tanzania Food and Nutrition Centre, Harvard School of Public Health, (2008). Tanzania Food Composition Tables. 272 pp. Compiled by Lukmanji, Z., Hertzmark, E., Mlingi, N., Assey, V., Ndossi, G., Fawzi., W.

West Africa, 2012 by selecting the West Africa, 2012 food composition table the quantity of nutrients lost postharvest will be calculated based on the composition of the selected crop as shown in this food composition table. FAO, INFOODS, WAHO, Bioversity International, (2012). West African Food Composition Table (2012). pp 171. http://www.fao.org/docrep/015/i2698b/i2698b00.pdf.

Lesotho, 2006 by selecting the Lesotho, 2006 food composition table the quantity of nutrients lost postharvest will be calculated based on the composition of the selected crop as shown in this food composition table. Lephole, M.M., Khaketla, M.C., Monoto, M.E., (2006). Lesotho Food Composition Table. 1st edition. 127pp.

USDA, 2018 by selecting the USDA, 2018 food composition table the quantity of nutrients lost postharvest will be calculated based on the composition of the selected crop as shown in this food composition table. USDA, (2018). National Nutrient Database for Standard Reference Legacy April 2018 Software v.3.9.4.4 2018-07-18

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