Sea Figs, Sour Figs, Hottentot Figs in Plasma Water

Sea Figs, Sour Figs, Hottentot Figs in Plasma Water

This plant cached my eye with its unique bright purple color in early spring forming lush waterfall like cascades on clear rocks.

Flowers are so big and bright in April sunlight and later egg shape green fruits with thorns are developed. I always watched these juicy plants in hot summer days and was wondering how dry resistant they are, but I never thought they are edible.

Once, during late autumn promenade along the Mediterranean coast, I saw a rat eating fruits of this beautiful flower plant. My biologist instinct pushed me to take a closer look:)

I took one fruit and opened it, it really looked like a fig inside, I decided to taste it - I never eat something like this before - sticky sour salty jam like consistence full with tiny seeds. I started to research and read more what I could find about this plant.

YES, it is Fig just a Sea Figs (Carpobrotus edulis), Sour figs, Hottentot Figs known as valuable source of nutrients for wild animals around the World. Such a shame I did not knew this plant before. It is fire-retardant, erosion control, medicinal and edible. Native southern African plant, today found as invasive plant and can be found in California, Florida, Australia, South of America, as far north as the coast of Caithness in Scotland and many places around the Mediterranean coast. It is a drought tolerant that grows in full sun on well drained, loose sandy soil or rocky places. The fruit of various species of Carpobrotus is eaten by many animals and birds. Rodents eating mature fruit and spread its seeds, because of it plant very invasive and could be controlled as it provides nutrients also for black rats and should be watched over. As plants grow like a mat in very poor soil, they help to preserves the dunes naturally around a sea cost and gives a great shelter to small animals.






Anti- oxidants 

DNA Damage Repair

Cancer prevention

Oxidative stress in the skin

Skin whitening


Rutin, hyperoside, catechin are phenolic compounds found in the plant species Carpobrotus edulis and contributes to the antibacterial properties of the plant. Catechin and Ferulic acid acts as antioxidants. They are reactive toward free radicals such as reactive oxygen species (ROS). ROS and free radicals are implicated in DNA damage, cancer, and accelerated cell aging. Ferulic acid added to a topical preparation of ascorbic acid and vitamin E, may reduce oxidative stress in skin. There is also a small amount of research showing oral supplements of ferulic acid can inhibit melanin production in the process of skin whitening. It is rich in vitamins A, B and C, mineral salts and trace elements.

Native South Africans call the fruit use the fruits in jams, eat dried fruits. Fruits are great natural preservation agent as it has very acidic pH 2,8. You also can eat them dried, however they are very hard, but soaked in water over night they become juicy and you can eat them. Not sticky at all. Learn more how to make jam from original recipe. Leaves are used to make a good pickle, their have high tannin content and are not edible raw without any preparation – pricking and soaking for many hours in several changes of water. Leaves are used in salads, I did not tried them yet in salads. In fact, this tannic and astringent leaf juice can be applied externally to treat cuts, eczema, insect bites, and sunburn, while as a gargle or mouthwash it can be used to treat sore throats, gum infections and ulcers.(Source) Sounds very good for such a fast growing plant. Roman soldiers healed their wounds with juice of Sea fig leaves and eat the fruits in their long road conquering a new territories. They have a reason. I believe that natives know best this plant and it medical uses and I found some useful information here.

Best time to foraging a sea figs is from late of August to November.

They are ready to be dry and use later in a winter time when needed.

They are ready to dry.

You peel it and eat the fruit inside, you have to pell of outer layer with horns.


When you squeeze it jams-like purees comes out of fig. It has sour salty taste, if they are not mature enough, strong astringent taste could be expected. It reminds me my first try to eat salted olive long time ago. Not every one love sit from first time, but it has its own very unique characteristics.

This autumn I decided to make a Sea Fig Plasma Water according to proposal protocol.

LEVEL: Medium

PREPARATION TIME: up to 2-3 days


Wort Plasma Water of SEA FIG Fruits

Before started with 50 gr sea figs ''jam'', I checked pH. Very acidic around 2,7.

I added HCl and water to my ''jam''.

Jam in acid.

Mixed with handblender.

Seeds are still almost untouched.

After some hours, added NaHCO2 solution.

When pH value reached range 7-8, I added NaOH, because seeds still need to be break down.

CO2 gas is released.

I stopped adding NaOH solution on pH value 10,7 and left overnight in closed jar.

Solution became much more darker and smell like a fresh rye bread, it was so interesting discovery.

Mixed it with hand blender to help to citric acid neutralize the NaOH. Color is back:), it became lighter.

Next morning I made citric acid solution and started to add it to solution.

First filtration.

When pH value close to 7 is reached. It is time to prepare for first filtration.


You need some pressure to make it done a this stage.

19 gr waste, probably could be used for animal feeding.

At least 5 times filtration trough paper tea filter.

As solution was still too thick, I put it in centrifuge.

WOW it helps a lot, before this stage of filtration took some days :).

Now it goes freely trough paper coffee filter.

After filtration trough double coffee filter still white precipitates left in paper. It gives as less cloudy solution and smaller particles.

Time to run the electrolysis cell with Carbon stick and Zinc rod.

I left calm down a little bit after electrolysis.

Filtrate now is much more transparent than it was before.

This bright yellow color is caused by direct sunlight, solution is has more deep orange color in daylight.

I added C Vitamin to the solution to reach the acidic pH and put in centrifuge again. Finally solution was filtered through the lab paper filter for a final grade. Surprisingly smell still remains the same sweet-sour rye bread.

Thank you very much to everyone who support Liquid plasma feeding experiments.

Sea Fig Plasma water after centrifuge, still visible crystalline structure under microscope with 600x magnification. I love these spikes !

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