General
- Astaxanthin (pronounced as-tuh-zan'-thin) is a
carotenoid. It belongs to a larger class of phytochemicals known
as terpenes. It is classified as a xanthophyll, which means
"yellow leaves". Like many carotenoids, it is a colorful,
fat/oil-soluble pigment.
- Astaxanthin, a naturally occurring
carotenoid pigment, is a powerful biological antioxidant.
Astaxanthin exhibits strong free radical scavenging activity and
protects against lipid peroxidation and oxidative damage of LDL-cholesterol,
cell membranes, cells, and tissues. Astaxanthin has been the
focus of a large and growing number of peer-reviewed scientific
publications.
Technology
- Astaxanthin, a kind
of lipid-soluble carotenoids pigment, is used as fish diets and
supplements, and recently anticancer agent, and nutritional
supplements in health food. This technology provides a process
to increase the astaxanthin productivity by culturing microalgea
while amount of light irradiation increase at constant speed.
- In recent years, there has been a growing trend toward using
natural ingredients in all forms of food nutrients, resulting
from increasing concerns for consumer safety and regulatory
issues over the introduction of synthetic chemicals into the
human food chain. This is also true for the nutraceutical and
cosmeceutical markets
Market
- A demand for natural ASTAXANTHIN is now emerging in the
fast-growing, multi-billion dollar nutraceutical market; in
particular, increasing evidence suggests that ASTAXANTHIN was
shown to be a much more powerful antioxidant than vitamins C and
E, or than other carotenoids such as beta-carotene, lycopene,
lutein and zeaxanthin, among others.
-
Frost & Sullivan estimates that
astaxanthin is now one of the fastest growing carotenoids in
Europe. European carotenoids were worth $348.5 million in 2003,
with 17 per cent of this coming from supplements. But currently
less than 1 ton of astaxanthin is going into supplements per
year, compared to up to 150 tons for the aquaculture industry
Applications
- Astaxanthin is used as a feed supplement for salmon, crabs,
shrimp, chickens and egg production. Regardless of the
source, astaxanthin provides some important benefits beyond
coloration. It also has been found to be essential for proper
growth and survival
- The
primary use of synthetic astaxanthin today is as an animal feed
additive to impart coloration, this includes farm-raised salmon
and egg yolks. In that, synthetic carotenoid (i.e., coloured
yellow, red or orange) pigments represent about 15-25% of the
cost of production of commercial salmon feed.
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