Nutrition II - Superfoods - Blueberry, Elderberry and Cranberry Flashcards
Blueberry:
Description
Blueberries grow in clusters on shrubby bushes of varying size
Blueberry:
Composition
- Rich in vitamins C and K
- Fibre
- Numerous phytonutrients including ellagitannins, flavanoids, resveratol and anthocyanins
- Note: wild blueberries (which are smaller) have an even higher antioxidant profile than typical blueberries
Blueberry: Energetics
Cooling
Blueberry:
Benefits and clinical applications
- Anti-inflammatory
- Antioxidant
- Anti-cancer
Blueberry:
Anti-inflammatory
Polyphenyl rich extracts from blueberries have been shown to suppress mediators of acute inflammation such as COX-2
Blueberries:
Antioxidant
- Blueberry extracts can protect against oxidative stress associated with atherosclerosis and neurodegenerative diseases.
- Blueberries can also support collagen e.g. in vessels
Blueberry:
Anti-cancer
The anti-oxidant rich, immune–boosting composition of blueberries makes them capable of exerting tumour-suppressive and anti-proliferative properties
Elderberry:
Description
Hang in clusters from ‘elder’ trees
Elderberry:
Composition
- High in vitamins C
- High in anthocyanins
- High quercetin content
Elderberry:
Energetics
Cooling (and bitter)
Elderberry:
Benefits and Properties
- Immune boosting
- Diaphoretic
Elderberry:
Immune boosting
- Elderberries have anti-viral properties
- Use to prevent autumn and winter illnesses (use 2 tsp/day of elderberry syrup during this time or 1000 mg dry in supplements)
Elderberry: Diaphoretic
Promotes sweating – support fevers
Elderberry: Caution
Do not eaten raw due to the high alkaloid content
Cranbury:
Description
AKA Vaccinium macrocarpon
The berry of the evergreen shrub which is traditionally used for urinary antiseptic properties.
Cranberry:
Composition
A very rich source of proanthocyanins (contributing to the colour)
Vitamins C
Flavonoids such as quercetin
Manganese, copper, vitamins E, K, B5 and B6
Cranberry:
Energetics
Cooling, sweet, nutritive
Cranberry:
Benefits and properties
- Urinary antiseptic
- Treatment of Helicobacter pylori
- Cardiovascular health
Cranbury:
Urinary antiseptic
- Cranbury is used in the prevention and treatment of urinary tract infections (UTIs) including cystitis.
- The bacteria are associated with UTIs (Escherichia coli) often contain fimbriae, which enables their epithelial attachment. Cranbury impedes this attachment
Cranberry: Treatment of Helicobacter pylori
It’s anti-adhesive properties are also beneficial in the stomach with H. pylori
Cranberry:
Cardiovascular health
Can reduce blood pressure and oxidative stress with its high antioxidant profile (e.g. Anthocyanins)
Fimbriae = hair-like projections on the surface of some bacteria
Cranbury:
Practical use / dosage
- The general health eat fresh berries (ideally organic). Can be added to smoothies and juices. For specific health outcomes fresh cranberry juice or concentrated cranberry extract can be used.
- Juice – 300 - 500 mL/ daily (divide into two doses);
- Capsules / dried powder 250 - 500 mg daily
- Note: many commercial juices are high in added sugar and should be avoided; these can often worsen UTIs
Cranbury:
Caution
Avoid using Cranbury above the recommended therapeutic doses if suffering from kidney stones (oxalates) and potentially on warfarin - blood thinner (not well founded)