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Saskatoon berry
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The Saskatoon, Saskatoon berry, serviceberry or Juneberry is a shrub native to North America from Alaska across most of western Canada and in the western and north central United States. It grows from sea level in the north of the range, up to 2,600 m altitude in California and 3,400 m in the Rocky Mountains.
It is a deciduous shrub or small tree that can grow to 1–8 m (rarely to 10 m) in height.
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Encyclopedia
The Saskatoon, Saskatoon berry, serviceberry or Juneberry is a shrub native to North America from Alaska across most of western Canada and in the western and north central United States. It grows from sea level in the north of the range, up to 2,600 m altitude in California and 3,400 m in the Rocky Mountains.
It is a deciduous shrub or small tree that can grow to 1–8 m (rarely to 10 m) in height. Its growth form spans from suckering and forming colonies to clumped. The leaves are oval to nearly circular, 2-5 cm long and 1–4.5 cm broad, with margins dentate mostly above the middle and a 0.5–2 cm petiole. The flowers are white, about 2-3 cm across; they appear on racemes of 3–20 together in early spring while the new leaves are still expanding. The fruit is a small purple pome 5-15 mm diameter, ripening in early summer.
There are three varieties:
- Amelanchier alnifolia var. alnifolia. Northeastern part of the species' range.
- Amelanchier alnifolia var. pumila (Nutt.) A.Nelson. Rocky Mountains, Sierra Nevada.
- Amelanchier alnifolia var. semiintergrifolia (Hook.) C.L.Hitchc. Pacific coastal regions, Alaska to northwestern California.
Etymology
The name derives from the Cree inanimate noun misâskwatômina (misâskwatômin NI sg saskatoonberry, misâskwatômina NI pl saskatoonberries). The city of Saskatoon, Saskatchewan is named after this plant.
Cultivation and uses
Seedlings are planted with 13-20 ft (4-6 m) between rows and 1.5-3 ft (0.5-1 m) between plants. An individual bush may bear fruit 30 or more years.
Saskatoons are adaptable to most soil types with exception of poorly drained or heavy clay soils lacking organic matter. Shallow soils should be avoided, especially if there is a high or erratic water table. Winter hardiness is exceptional but frost can damage blooms as late as May. Large amounts of sunshine are needed for fruit ripening.
Sweet in taste, the fruits have long been eaten by Canada's Aboriginal people as pemmican, a preparation of dried meat to which Saskatoon berries are added as flavor and preservative. They are also often used in pies, jams, wines, cider, beers and sugar-infused berries similar to dried cranberries used for cereals, trail mix and snack foods.
In 2004, the British Food Standards Agency suspended Saskatoon berries from retail sales pending safety testing, a ban that was eventually lifted after pressure from the European Union.
Nutrients and potential health benefits
Saskatoon berries contain significant Daily Value amounts of total dietary fiber, vitamins B2 (riboflavin) and biotin, and the essential minerals, iron and manganese, a nutrient profile similar to the content of blueberries.
Notable for polyphenol antioxidants also similar in composition to blueberries, Saskatoons have total phenolics of 452 mg per 100 g (average of Smoky and Northline cultivars), flavonols (61 mg) and anthocyanins (178 mg), although others have found the phenolic values to be either lower in the Smoky cultivar or higher. Quercetin, cyanidin, delphinidin, pelargonidin, petunidin, peonidin, and malvidin were polyphenols present in Saskatoon berries.
Particularly for Saskatoon phenolics, inhibition of cyclo-oxygenase enzymes involved in mechanisms of inflammation and pain have been demonstrated in vitro.
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