I need some help about alga: I have to done a project about the use of
alga in biotechnology. I have researched informations on french web
sites but nothing is enough complete; in fact, I 'm interested with
the proceeds (procédés ?) used in transformation of alga after culture
for up to products distributed to enterprises wich deal with
cosmetics, agro-alimentation, pharmaceutics,...
Thanks a lot for answers.

proceeds (procédés ?) used in transformation of alga

I believe the word you want is procedures.

I hesitate to mention it, because it is the sort of product used in Multi-Level
Marketing schemes, but there is a species of cyanobacteria, Aphanizomenon
flos-aquae, commonly called "Super Blue-Green Algae." As the name suggests, be
skeptical of all claims about its supposed wonderful health benefits;
nevertheless, I'm sure there is more than enough about it on the Web.

Jie-san Laushi

Huodau lau, xuedau lau, hai you sanfen xue bulai
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to email: eliminate redundancy

Thank you for your answer Jie-san Laushi.
However, I'm interested with transformations as chromatography,
powdering, purification,...concerning alga in bioindustry.