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Deesterification of astaxanthin and intermediate esters from Haematococcus pluvialis subjected to stress

Deesterification of astaxanthin and intermediate esters from Haematococcus pluvialis subjected to stress

Janeth I Galarza, Bertha O Arredondo Vega, Jimmy Villón, Vitalia Henríquez

Biotechnol Rep (Amst). 2019 Jun 17;23:e00351.

PMID: 31312607

Abstract:

Haematococcus pluvialis is the richest biological source of astaxanthin under unfavorable growing conditions. Many reports have discussed the optimal astaxanthin extraction methods. Free-astaxanthin could be still hindered by microalgae extracts composition or by prolonged extraction times. In this study we evaluated the effect of enzymolysis and saponification deesterification processes of astaxanthin and its carotenoid precursors under high irradiance and nitrogen deprivation stress time conditions. Results showed that cholesterol esterase facilitated astaxanthin deesterification (975.65 μg mg-1 DW) while saponification positively affected zeaxanthin (1038.68 μg mg-1 DW).

Chemicals Related in the Paper:

Catalog Number	Product Name	Structure	CAS Number	Price
CS3104662	Astaxanthin esters from Haematococcus pluvialis			Price

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