[Properties] White crystalline granules or powder; odorless, slightly sweet taste. 

 This product is soluble in water, in alcohol, chloroform and insoluble. 

 Than the rotation of this product, dried at 80 ℃ after 2 hours, accurately weighed, dissolved in water and dilute quantitatively made every 1 

 ml containing 0.10g of the product with ammonia solution 0.02ml of the solution, according to the determination (Appendix Ⅵ E), optical rotation of +52.0 ° 

 To +52.6 °.