[Latin Name] Rhodiola Rosea

[Plant Source] China

[Specifications] Salidrosides:1%-5%

Rosavin:3% HPLC

[Appearance] Brown fine powder

[Plant Part Used] Root

[Particle size] 80 Mesh

[Loss on drying] ≤5.0%

[Heavy Metal] ≤10PPM

[Storage] Store in cool & dry area, keep away from the direct light and heat.

[Package] Packed in paper-drums and two plastic-bags inside.

[What is Rhodiola Rosea]

Rhodiola Rosea (also known as Arctic root or golden root) is a member of the family Crassulaceae, a family of plants native to the arctic regions of Eastern Siberia. Rhodiola rosea is widely distributed  in Arctic and mountainous regions throughout Europe and Asia. It grows at altitudes of 11,000 to 18,000 feet above sea level.

There are numerous animal and test tube studies showing that rhodiola has both a stimulating and a sedating effect on the central nervous system; enhance physical endurance; improves thyroid, thymus, and adrenal function; protects the nervous system, heart and liver; and has antioxidant and anticancer properties.

[Function]

1 Enhancing immunity and delaying aging;

2 Resisting radiation and tumor;

3 Regulating nervous system and metabolism, effectively limiting melancholy feeling and mood, and promoting mental status;

4 Protecting cardiovascular, dilating coronary artery,preventing coronary arteriosclerosis and arrhythmia.

QAAFI Science Seminar

Presented by Prof. Mike Gidley
Director of Centre for Nutrition & Food Sciences at QAAFI

ABSTRACT

Plant cell walls and associated polysaccharides (a.k.a. dietary fibre) play a pivotal role in the digestion of a healthy diet, mostly as the defining structural characteristic of whole grains, fruits, nuts, and vegetables. Credible hypotheses can be constructed to link cell wall properties of these plant-based foods to reduction in risk factors for major non-communicable diseases.

The physical properties of plant cell wall polysaccharide components relevant to digestive tract functionality can be grouped into (i) bulk structuring, (ii) transport barriers, and (iii) molecular binding. Examples of each type of functionality from both in vitro and in vivo studies will be presented.

The conventional sub-division of dietary fibre into soluble and insoluble types disguises the reality that the physical form of plant cell walls in digesta is typically intermediate between the extremes of dissolved polymers and non-swollen solid particles which are often used to exemplify soluble and insoluble fibre fractions. An alternative method of categorising dietary fibres is proposed based on a combination of particle/molecule size and effective density.

About Prof. Mike Gidley

Prof. Gidley obtained a Bachelor of Science (Hons) in Chemistry, at the University of London in 1977 and went on to complete his PhD in Chemistry at the University of Cambridge in 1982.

Before establishing CNAFS in 2003 (a joint initiative between UQ and the Queensland Government), Prof. Gidley worked for Unilever Research in the United Kingdom for more than 20 years, beginning as a research scientist and culminating as the Group Leader for Plant-based Foods and Ingredients.

Prof. Gidley’s major research interest is the linking of plant molecular structures to macroscopic properties with relevance to plant-based food properties. In particular, Prof. Gidley is interested in investigating polysaccharide assemblies such as plant cell walls (as part of the Australian Research Council Centre of Excellence in Plant Cell Walls and starch granules, particularly the way these structures are assembled in nature and then disassembled during manufacturing and later during digestion.

Prof. Gidley’s field of research involves the use of spectroscopic, microscopic and materials analyses of natural materials and model systems. Insights into structure-property relationships are obtained and can then be used to provide targets for raw materials and processes with enhanced food and nutritional properties.

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