What is stevioside ?

Stevioside is extracted from the herb of Stevia Leaves .It is a purely natural , highly sweetness, and low calorie food additive ( sweetener ) .
What is stevia rebaudiana?
Stevia rebaudiana is also called stevia or sweet grass , which is perennial herb plants . It’s the place of origin is the mountains of Oman , which the north-eastern of Paraguay is bounded on Brazil.
Which countries and regions approve of using steviosides?

Region	Area	Use categories	Region	Area
North America	America	Food additives	Canada	Meal supplements
North America	Mexico	Food additives
Latin America	Argentina	Food additives	Brazil	Food additives
	Chile	Food additives	Colombia	Food additives
	Ecuador	Food additives	Paraguay	Food additives
	Peru	Food additives	Uruguay	Food additives
	Venezuelan	Food additives
The Asian-Pacific region	Australian	Food additives	Brunei	Food additives
	China	Food additives	Indonesia	Food additives
	Hong Kong	Food additives	Japan	Food additives
	Malaysia	Food additives	New Zealand	Food additives
	Korea	Food additives	Singapore	Food additives
	Taiwan	Food additives	Thailand	Meal supplements
	Vietnam	Meal supplements
Europe	French	Food additives	Swiss	Food additives
Europe	Russian	Food additives

What is the difference between stevioside and steviol ?
Steviosides are the muli-component mixture of sweet. Generally speaking, there are 8 steviols. It includes stevioside, glucoside A, glucoside B, glucoside C, glucoside D,glucoside E, Duke glycosides, Rebaudioside and so on.
By and large, steviols is the matrix or aglycones of 8 kinds of the above components of steviosides. Stevioside is steviol with three base of glucose derivatives.
It is generally acknowledged that stevia is a single component of the above eight kinds of stevioside. For historical reasons, glycoside component of stevia rebaudiana are at most in the above eight steviosides .So stevioside is called stevia by people, and this statement is less used.

The Comparison of Stevia and Other Sweetener

sweetener peculiarity	Cane sugar	Saccharin	Sodium Cyclamate	Aspartame	Acesulfame-K	Neotame	Sucralose	Stevia
Sweetness	1	450	40-60	200	200	7000-13000	600-1000	200-400
Taste	pure and normal	bitter taste	poor aftertaste	pure and normal	metal taste	pure and normal	pure and normal	fresh and lasting
Security	great	worse	worse	preferably	preferably	preferably	great	great
Prescribed usage amount of The National Standard GB2760-96	No limits, but diabetes, obesity,cardiovascular disease and dental caries patients should be used with caution.	Seriously limits (0-0.15g/kg)	limits (0.65-1g/kg)	qualified, phenylketonuria disease is used with caution.	Seriously limits (0-0.3g/kg)	qualified	qualified	qualified
ADI（mg/kg）	_ _ _ _	0-0.25	0-11	0-40	0-15	0-15	0-15	4
PH	2-11	1-10	3-10	3-5	2-10	PH>3	PH>3	3-9
Heat stability	200℃	150℃	250℃	≤80℃	225℃	80℃	75℃	200℃
Metabolic heat	17J/G elevate blood glucose	No metabolism	Part metabolism	metabolism	No metabolism	metabolism	No metabolism	No metabolism
Resistance dental caries	rause dental caries	resistance	resistance	resistance	resistance	resistance	resistance	resistance
Sweetness cost	100%	70%	80%	30%-50%	80%	20%	High cost	30%
Conclusion	Stevia is the healthy green sweetener with high security which is extracted from stevia leaves. It has high sweetness and lower calories. It’s much more stable than Aspartame、Neotame、Sucralose、 etc when heated in high tempreture. Its sweetness cost is only equivalent to 30% of cane sugar, so stevia is a perfect substitute for cane sugar. This, it can be widely used in a variety of products which need healthy sweeteners.