STEVIA – fighting for recognition

Stevia rebaudiana, cultivated under glass in D...

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How many have heard of  the plant Stevia,  yet this plant could solve the problems for millions.To eliminate the risk of  Diabetes, we substitute sugar with Stevia.
A natural sweetener which of course is being shunned by the Sugar industry, the The Fed won’t give its support, understandably, they want to protect their sugar industry, they prefer to keep the chain of hundreds of millions on diabetic medications intact.
As we now know, the artificial sweetener Aspartame is manufactured by Monsanto, known for its GM modified crop seeds.We must not expect, ever, that Federal agencies will encourage consumption of  Stevia. Rather, we shall find many controversial new ‘revelations’ regarding this simple herb that protects us from Diabetes.The issue is relatively simple,  or at least understandable to common people, if they take the time to ‘understand’ and look into details.White sugar is not a natural product, it is modified from brown (natural) to white (unnatural). How does this happen ? If you want a brown substance to become white in appearance, you need to bleach it. There are lots of agents (chemical) that could bleach, one of it is Hydrogen peroxide, another one is Caustic Soda, Calcium phosphate, as well as other chemicals.Here is the process described by Wikipedia:

Wikipedia: Sugarcane

Raw sugar has a yellow to brown colour. If a white product is desired, sulfur dioxide may be bubbled through the cane juice before evaporation; this chemical bleaches many color-forming impurities into colourless ones. Sugar bleached white by this sulfitation process is called “mill white,” “plantation white,” and “crystal sugar.” This form of sugar is the form most commonly consumed in sugarcane-producing countries.

In sugar refining, raw sugar is further purified. It is first mixed with heavy syrup and then centrifuged clean. This process is called ‘affination’; its purpose is to wash away the outer coating of the raw sugar crystals, which is less pure than the crystal interior. The remaining sugar is then dissolved to make a syrup, about 70 percent by weight solids.

The sugar solution is clarified by the addition of phosphoric acid and calcium hydroxide, which combine to precipitate calcium phosphate. The calcium phosphate particles entrap some impurities and absorb others, and then float to the top of the tank, where they can be skimmed off. An alternative to this “phosphatation” technique is ‘carbonatation,’ which is similar, but uses carbon dioxide and calcium hydroxide to produce a calcium carbonate precipitate.

After any remaining solids are filtered out, the clarified syrup is decolorized by filtration through a bed of activated carbon; bone char was traditionally used in this role, but its use is no longer common. Some remaining colour-forming impurities adsorb to the carbon bed. The purified syrup is then concentrated to supersaturation and repeatedly crystallized under vacuum, to produce white refined sugar. As in a sugar mill, the sugar crystals are separated from the molasses by centrifuging. Additional sugar is recovered by blending the remaining syrup with the washings from affination and again crystallizing to produce brown sugar. When no more sugar can be economically recovered, the final molasses still contains 20–30 percent sucrose and 15–25 percent glucose and fructose.

To produce granulated sugar, in which the individual sugar grains do not clump together, sugar must be dried. Drying is accomplished first by drying the sugar in a hot rotary dryer, and then by conditioning the sugar by blowing cool air through it for several days.

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2 thoughts on “STEVIA – fighting for recognition

  1. Pingback: Stevia – fighting for recognition | life passion art adventure

  2. Pingback: Stevia = myth or real « Work – live – travel – a life in diversity

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