Rhodiola root extract is sweet and bitter. The main ingredients are salidroside and salidroside，it’s brown to dark brown powder.

Rhodiola rosea extract is extracted from rhodiola rosea, which is a natural extract by refining, concentration and drying. It is easy to dissolve in water, methanol, ethanol and ether. It's stable for heat. Mainly used in medicine, health care products and other industries.

Rhodiola, also known as the root of the arctic, is one of the sedum family of plants native to the Arctic Circle in eastern Siberia. Rhodiola is widely distributed in polar and mountainous regions of Europe and Asia. Most grow at elevations of 11,000 to 18,000 feet. Rhodiola was classified by Soviet scientists as an adaptor for its ability to increase chemical, biological and physical stress. The term adaptationism was coined in 1947 by a Soviet scientist, Alexander lazarev. He defined an "adaptor" as a drug that enables an organism to neutralize adverse physical, chemical, or biological stress by producing nonspecific resistance. Rhodiola has been intensively studied in the Soviet union and Scandinavia for more than 35 years. Similar to other plant adaptations studied by Soviet scientists, the rhodiola extract resulted in beneficial changes in a variety of physiological functions in different fields, including neurotransmitter levels, central nervous system activity and cardiovascular.

Rhodiola mainly contains phenylpropyl esters and flavonoids. Its unique active chemical components are phenylpropyl esters,rosavin(the most active), rosin, rosarin, rhodiolin, salidroside and its aglycone, namely tyrosin. Only the rhodiola rose contains rosavin,rosin and rosarin.

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