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Abiotic Stress Factors and High Astaxanthin Accumulation in Haematococcus pluvialis

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Haematococcus

Abstract

Haematococcus is a group of microalgae that is considered the richest source of natural astaxanthin. It gains attention of many researchers and companies because of its high price and the growing demand at international market. Astaxanthin is one of the most powerful antioxidants. This pigment has several applications in aquaculture, food, and cosmetic industries. However, it is economically disadvantageous for commercialization due to the low productivity of astaxanthin. For this reason, researchers have actively studied many strategies to improve the production of natural astaxanthin. Several studies have shown that astaxanthin yield increases rapidly when environmental conditions become unfavorable for normal cell growth. This chapter discusses the research work regarding the improvement of astaxanthin production from Haematococcus pluvialis under various stresses including nutrient deficiency, particularly nitrogen and carbon sources and other exogenous factors such as light intensity, pH, salinity, and temperature. This work also provides insight into the mechanisms of astaxanthin accumulation in Haematococcus.

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Correspondence to Rachid Bouharroud .

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© 2023 The Author(s), under exclusive license to Springer Nature Singapore Pte Ltd.

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Alouani, M., Hassi, M., Ouaddi, O., Qessaoui, R., Bouharroud, R. (2023). Abiotic Stress Factors and High Astaxanthin Accumulation in Haematococcus pluvialis. In: Raja, R., Hemaiswarya, S., Narayanan, M., Kandasamy, S., Jayappriyan, K. (eds) Haematococcus. Springer, Singapore. https://doi.org/10.1007/978-981-99-2901-6_3

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