Abstract
Industrial-scale processes currently developed make use of chemical catalysis processes that are highly efficient but require very complex product puriï¬cation steps. Enzymatic catalysis through plant lipases as biocatalysts is an alternative which, in contrast to chemical catalysis processes, appeared simple to perform, and can be done at low investment cost. Although microbial lipases have been extensively studied, little research has been focused on the use of plant lipases namely plant latex lipases. The present article outlines the most advanced knowledge concerning plant latex characterization in order to show how plant latex can be a promising alternative to catalyze transesteriï¬cation for biodiesel production. This paper provides an overview regarding the main aspects of latex, such as the reactions catalyzed, physiological functions, specificities, sources and their industrial applications. Key words: Plant latex, lipase, Transesteriï¬cation, purification, biodiesel.
Highlights
Interest in the production of biodiesel a clean renewable fuel is increasing worldwide due to the excessive increase of petroleum prices and the importance of taking environmental concerns into consideration (Mounguengui et al, 2013; Sadeghinezhad et al, 2013)
It is the case of lipases which are widely used in various industry sectors such as in detergency applications, fatty wastes treatments, pharmaceutical syntheses or oils and fats modifications
The lipolytic enzymes of laticifers plants have demonstrated to be versatile biocatalysts with the ability to discriminate a wide number of substrates from various applications
Summary
Interest in the production of biodiesel a clean renewable fuel is increasing worldwide due to the excessive increase of petroleum prices and the importance of taking environmental concerns into consideration (Mounguengui et al, 2013; Sadeghinezhad et al, 2013). Bio-fuel or biodiesel is usually identified as ester based fuels produced from animal fats or from vegetable oils by using an effective transesterification method. Biodiesel carries 4.5 units of energy against each unit of fossil fuel (Pradhan et al, 2009). Biodiesel is safer, biodegradable and nontoxic in nature (Mc Carthy et al, 2011).
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