63 %
Vitamin C contributes to the normal function of the immune system, to the reduction of tiredness and fatigue, and to normal collagen formation.
How many calories are in canned longans?
50.4kcal
in an 80 g portion
63 kcal per 100 g.
Source: UK CoFID 2021, record 14-139. Checked 5 October 2026.
0.16 gFat
0.24 gProtein
13.2 gCarbohydrate
63 %Daily vitamin C
What’s in an 80 g portion
More than half of a portion is water. The rest is 13.2 g carbohydrate and 0.24 g protein.
- 0.16 gFat
- 0.24 gProtein
- 13.2 gCarbohydrate
- 66 gWater
- 0.4 gMinerals and the rest
About average for fruit
Longans are 63 kcal per 100 g. The 143 fruit in this database average 68.8.
Longans63
Fruit average68.8
Low in fat
0.2 g of fat per 100 g; the UK “low fat” line is 3 g.
Fat, per portion0.16 g
Vitamins and minerals in longans
One of the 9 recorded reach the “high in” level. Vitamin C leads.
Only a trace
- Thiamin
None recorded
- Vitamin A
- Vitamin D
- Vitamin B12
Show all 9 with amounts
Vitamin C50.4 mg, 63 %
Potassium88 mg, 4.4 %
Riboflavin (vitamin B2)0.03 mg, 2.3 %
Iron0.24 mg, 1.7 %
Phosphorus6.4 mg, 0.9 %
Calcium4 mg, 0.5 %
Vitamin Anone recorded
Vitamin Dnone recorded
Vitamin B12none recorded
Badges use the UK legal thresholds per 100 g: 15 % of the reference intake for “source of”, 30 % for “high in”. A trace is shown as “trace” and never counts.
What longans don’t give you. And where to find it.
No recorded vitamin D, vitamin A or thiamin.
Vitamin D
0mgin longans
Find it inBloater, grilled500 % per 100 g
Vitamin A
0mgin longans
Find it inLiver, calf, fried3152 % per 100 g
Thiamin (vitamin B1)
Tracein longans
Find it inWheatgerm164 % per 100 g
100 mgVitamin C, 125 %
0.075 mgSelenium, 136 %
0.00125 mgVitamin D, 25 %
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Longans against other fruit
Per 100 g, longans have the most vitamin C of the 6 here, ahead of pineapple (raw).
63mg
53mg
26mg
22mg
19mg
19mg
Longans, canned in syrup, whole contentsthis page
Pineapple, raw−10 mg
Melon, Canteloupe-type−37 mg
Raspberries, raw−44 mg
All values per 100 g, from the same dataset. Differences are against longans.
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Questions about longans
What the numbers say to the questions people actually search.
How many calories are in a portion of longans?
A typical portion (80 g, one of your five a day) gives 50 kcal. Per 100 g the figure is 63 kcal.
Is longans high in vitamin C?
Yes. Longans, canned in syrup, whole contents have 63 mg vitamin C per 100 g, 79 % of the NRV, above the 30 % threshold for a “high in” claim.
Which vitamins and minerals do longans have most of?
By share of the daily reference intake: vitamin C (63 mg, 79 %), potassium (110 mg, 5.5 %) and riboflavin (0.04 mg, 2.9 %) per 100 g.
Are longans high in salt?
No. Salt is 0.1 g per 100 g, which is low under UK rules.
How these numbers were made
Every figure comes from the UK Composition of Foods Integrated Dataset (CoFID), 2021 edition, record 14-139, Longans, canned in syrup, whole contents, published by Public Health England under the Open Government Licence v3.0. Main data references: Wu Leung et al. (1972) Food composition table for use in East Asia, Food and Agriculture Organization and US Department of Health. Values are per 100 g of the edible part; a portion is 80 g, one of your five a day, the usual UK portion for fruit. Reference intakes follow Regulation (EU) 1169/2011 Annex XIII as retained in GB law; “source of”, “high in” and “low” follow Regulation (EC) 1924/2006, assessed per 100 g. Function lines are the authorised wording from the GB register of nutrition and health claims, credited to the nutrient. Energy is rounded to the whole kcal and kJ; other amounts to one decimal, or two below 1. A trace is shown as “trace” and never gets a figure or a badge; a nutrient never analysed is left off the page. We start from the dataset’s 2,887 records and keep 2,322: records weighed with bone, shell or skin, alcoholic drinks, infant foods, brand-named products, records with fewer than eight measured vitamins and minerals and near-identical variants are left out. Group context uses the 143 fruit kept from the dataset; a rank counts only the foods with a measured figure for that nutrient. Food images are illustrations from Ingredient Atlas, released under CC0; they show the food, not the measured sample. Checked 5 October 2026. Contains public sector information licensed under the Open Government Licence v3.0.
More fruit
From the same group, with calories per 100 g, and the foods with the most vitamin C.
More fruit
- Elderberries, whole fruit35 kcal
- Grenadillas, flesh and seeds42 kcal
- Medlars42 kcal
- Peaches, canned in syrup, whole contents55 kcal
- Pomegranate, flesh and pips51 kcal
- Sugar apple69 kcal
- All 143 fruit
Most vitamin C
- Cherries, West Indian1720 mg
- Guava, raw230 mg
- Cashew fruit220 mg
- Gourd, kantola, raw295 mg
- Peppers, capsicum, chilli, red, raw225 mg
- Blackcurrants, raw200 mg
- Vitamin C guide