SuperFood Immunity

How are Superfoods selected in Nutritional Immunology?

Superfoods undergo a stringent selection process to ensure that an optimum quality and quantity of antioxidants, phytochemicals and polysaccharides are retained.

There are several factors which are considered.

maximum quality

1) Species of Plant

Besides selecting type plant super-foods which are good, Nutritional Immunology studies which species is particularly nutritious. Although the same type of plant super-food may have similar characteristics, different species will contain different set of nutrients. In fact, in some plants, there may be species which aren't edible, or species which have outstanding nutritional value.

mushroom species

For example, in the mushroom family, Coriolus Versicolor and Agaricus Blazel Murill (ABM) are extremely beneficial to health. However, Amanita mushrooms can kill when eaten.

 2) Parts of Plant

Different parts of plants would have different nutrient compositions. Nutritional Immunology also selects parts of the plant for superior nutritional value.


For example, in a grape vine, only the seeds contain OPC, a super antioxidant which is good for our eyes and heart.

Recent research also shows that Ginseng Berries contain 4 times more immuno-boosting ginsenosides than the root. 

Different parts of plants would have different nutrient compositions. Nutritional Immunology also selects parts of the plant for superior nutritional value.

3) Harvesting Methods

With good understanding of the plant growth process, the right method employed in harvesting is also important to yield the best level of nutrients.


For example, bananas are best harvested when ripe on the tree for maximum nutrients. If harvested when green, its nutritional value is approximately halved. Rice, barley and mushrooms typically contain most nutrients when they're tender.

4) Processing Techniques

Only processing techniques that can retain the nutrients without use of any preservatives and chemicals are used in process of Nutritional Immunology foods. Different processing methods are used for different super-foods depending on their ability to withstand temperatures without destroying nutrients.


For example, if soy beans are heated above 70 deg C, a large part of their very beneficial nutrients would have been destroyed.

Some examples of such processing methods would be freeze-drying, spray mist drying, low heat drying and high purification fine filtration.

5) Age


The age of the plant plays a part in how much nutrients there would be. For example, ginseng needs to be at least 6 year old before its roots have any nutritional value. Cactus needs to be more than 10 year old to contain 10,000 different types of phytochemicals.

6) Cultivation

Every plant would have an ideal growing environment and duration. As such, the nutritional value of the same types of plants could be different coming from different countries.


For example, barley is sourced from Europe vs from China, as the nutritional value of European barley has been found to be higher.

oxyginberry superfoods

After all the above factors have been taken into consideration, the superfoods included in each blend is also chosen carefully such that they reinforce each other. This forms a Superfood Synergy, giving us the best possible of what nature can provide us!

About the Author

Janice Yap

Having 4 years of experience with nutritional immunology and moving fast towards a more plant-based lifestyle, I would love to help you out if you're looking to improve your health or wellness or that of a loved one...

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