[Latin Name] Haematococcus Pluvialis

[Plant Source] from China

[Specifications]1% 2% 3% 5%

[Appearance] Dark red Powder

[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.

[Shelf life] 24 Months

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

[Net weight] 25kgs/drum

Brief Introduction

Astaxanthin is a natural nutritional component, it can be found as a food supplement. The supplement is intended for human, animal, and aquaculture consumption.

Astaxanthin is a carotenoid. It belongs to a larger class of phytochemicals known as terpenes, which are built from five carbon precursors; isopentenyl diphosphate and dimethylallyl diphosphate . Astaxanthin is classified as a xanthophyll (originally derived from a word meaning “yellow leaves” since yellow plant leaf pigments were the first recognized of the xanthophyll family of carotenoids), but currently employed to describe carotenoid compounds that have oxygen-containing moities, hydroxyl or ketone , such as zeaxanthin and canthaxanthin. Indeed, astaxanthin is a metabolite of zeaxanthin and/or canthaxanthin, containing both hydroxyl and ketone functional groups. Like many carotenoids, astaxanthin is a colorful, lipid-soluble pigment. This colour is due to the extended chain of conjugated (alternating double and single) double bonds at the centre of the compound. This chain of conjugated double bonds is also responsible for the antioxidant function of astaxanthin (as well as other carotenoids) as it results in a region of decentralized electrons that can be donated to reduce a reactive oxidizing molecule.

Function:

1.Astaxanthin is a powerful antioxidant and may protect against oxidative damage to body tissues.

2.Astaxanthin can improve the immune response by increasing the number of antibody producing cells.

3.Astaxanthin is a potential candidate to treat neurodegenerative disease such as Alzhimer and Parkinson diease.

4.Astaxanthin dan reduce UVA-light damage to skin such as sunburn, inflammation, ageing and skin cancer.

Application

1.When applied in pharmaceutical field, astaxanthin powder has the good function of antineoplastic;

2.When applied in health food field, astaxanthin powder is used as food additives for pigment and health care;

3.When applied in cosmetic field, astaxanthin powder has the good function of antioxidant and anti-aging;

4.When applied in animal feeds field, astaxanthin powder is used as animal feed additive to impart coloration, including farm-raised salmon and egg yolks.

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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