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The plant has adapted to live in dry tropical climates with a moderate amount of rain.
 
The plant has adapted to live in dry tropical climates with a moderate amount of rain.
The dragonfruit sets on the cactus-like tree 30-50 days after flowering and can sometimes have 5-6 cycles of harvests per year. There are some farms in Vietnam that produce 30 tons of fruit per hectare every year. <ref>{{cite web  | url=http://www.newcrops.uq.edu.au/newslett/ncn11163.htm| title = Pitaya (Hylocereus undatus), a Potential New Crop for Australia| accessdate = 2007-09-14}} </ref>
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The dragonfruit sets on the cactus-like tree 30-50 days after flowering and can sometimes have 5-6 cycles of harvests per year. There are some farms in Vietnam that produce 30 tons of fruit per hectare every year. [http://www.newcrops.uq.edu.au/newslett/ncn11163.htm]
    
==Pests, diseases and problems==
 
==Pests, diseases and problems==
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The fruit can weigh from 150-600 grams and the flesh, which is eaten raw, is mildly sweet and low in [[calorie]]s. Eating the fruit is sometimes likened to that of the [[kiwifruit]] due to a prevalence of [[sesame]] seed-sized black crunchy seeds found in the flesh of both fruits which make for a similar texture upon consumption. The skin is not eaten. The fruit may be converted into [[juice]] or [[wine]]; the [[flower]]s can be eaten or steeped as [[tea]]. Although the tiny pitaya seeds are eaten with the flesh, the seeds are indigestible. It is generally recommended that dragon fruit be eaten chilled, for improved flavor.
 
The fruit can weigh from 150-600 grams and the flesh, which is eaten raw, is mildly sweet and low in [[calorie]]s. Eating the fruit is sometimes likened to that of the [[kiwifruit]] due to a prevalence of [[sesame]] seed-sized black crunchy seeds found in the flesh of both fruits which make for a similar texture upon consumption. The skin is not eaten. The fruit may be converted into [[juice]] or [[wine]]; the [[flower]]s can be eaten or steeped as [[tea]]. Although the tiny pitaya seeds are eaten with the flesh, the seeds are indigestible. It is generally recommended that dragon fruit be eaten chilled, for improved flavor.
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==Nutritional claims==
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{{ActiveDiscuss}}
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*The red flesh variety is rich in [[antioxidants]]. <ref name="gh_20070616">{{cite web | url=http://www.twowests.co.uk/weblog/archives/2006/07/dragon_fruit.html| title = Description of Dragon Fruit| accessdate = 2007-06-16}} </ref>
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*The pitaya fruit is rich in vitamins.  <ref name="gasingdf_20070616">{{cite web  | url=http://www.gasing.com/dragonfruits/nutrition_facts.shtml| title = Nutrition facts about Pitaya| accessdate = 2007-06-16}} </ref>
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Dragonfruit is rich in fiber, Vitamin C and minerals. The typical nutritional value per 100g of dragonfruit is as follows:
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*Ashes 0.68g
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*[[Fat]] 0.61g
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*Fiber 0.9g
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*[[Phosphorus]] 36.1mg
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*[[Carotene]] 0.012g
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*[[Protein]] 0.229g
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*Water 83.0g
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*[[Calcium]] 8.8mg
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*[[Iron]] 0.65mg
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*[[Riboflavin]] 0.045mg
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*[[Niacin]] 0.430mg
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*[[Ascorbic Acid]] 9.0mg
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Dragonfruit is also rich in phytoalbumins which are highly valued for their antioxidant properties. Antioxidants prevent the formation of cancer-causing free radicals. In Taiwan, diabetics use the fruit as a food substitute for rice and as a source of [[dietary fiber]].
      
==References==
 
==References==
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Image:Pa150231.jpg
 
Image:Pa150231.jpg
 
</gallery>
 
</gallery>
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{{commons|Hylocereus undatus|Pitaya}}
         
[[Category:Fruit]]
 
[[Category:Fruit]]
 
[[Category:Cacti]]
 
[[Category:Cacti]]
[[Category:Vietnamese cuisine]]
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[[Category:Mexican cuisine]]
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[[Category:Cacti of Mexico]]
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[[Category:Underutilized crops]]
   
[[Category:Tropical agriculture]]
 
[[Category:Tropical agriculture]]