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This article covers the various aspects of fragrance microencapsulation, with an emphasis on the specific properties of fragrance molecules and the physico-chemical factors controlling the stability of fragrance microcapsules during storage in demanding products, such as surfactant-rich bases. Encapsulation techniques are dealt with in a cross-disciplinary manner, offering the reader a synthetic approach to this multidisciplinary field. The concepts covered are applicable to low molecular weight or volatile molecules in general, and may also be applied to other active ingredients, such as flavours or certain pesticides.
In a context of raw materials shortage, awareness of a need for environmental protection, and pressure from regulations, the chemical industry is showing a growing interest in biosolvents made from renewable raw materials. Bio-based solvents offer an alternative to fossil resources, preventing health, safety and environmental hazards. After a reminder of the background to the solvents market, this paper presents the main biosolvent categories known for their industrial applications, and the different strategies for the design and selection of biosolvents meeting given specifications.
Oil foams represent an emerging class of liquid foams—non-aqueous systems characterized by gas bubbles dispersed in an oil phase. They are generating increasing interest in the food, cosmetic, and pharmaceutical industries due to their ability to stabilize water-free formulations with innovative sensory properties and to serve as alternatives to solid fats. This article reviews the mechanisms of formation and stabilization of oil foams, as well as their applications, while highlighting current challenges and future prospects.
Supercritical carbon dioxide (scCO₂) extraction is a technique that uses supercritical CO₂ as a solvent to separate specific compounds from a raw material (solid or liquid).This article, devoted to scCO2 extraction applications on plant biomass, covers the fundamental principles of supercritical fluids. It provides keys to understanding the implementation of this technology (operating parameters, modeling, scaling). It then describes various examples of industrial applications (cosmetics, nutraceuticals, agri-food, flavors, perfumes).
As formulation takes more and more place in the development of specific products, this article will allow the reader to carry out formulation operations, among other things, by analogy with existing achievements but also by taking into account changes in legislation. It presents various examples using commercial, scientific, and patent databases. It also highlights the importance of automatic processing for analyzing patent information, scientific publications and the Web. He underlines the importance of standards, among others those of the European Community and the USA.
The classification of borderline products, positioned between various regulatory frameworks - cosmetics, medical devices, dietary supplements, biocides -, represents a major challenge. It influences formulation, production, marketing claims, and regulatory strategy. A misclassification can lead to high costs, market delays, or penalties. This article outlines the classification criteria, their impact on product development, and illustrates these challenges through case studies in various sectors.
The aim of this article is to explain the plant solutions to supply Green Chemistry from the biodiversity. The key to entry is the three families of suited molecules: (a) sugars, starch, lipids and proteins, (b) lignocellulose in stems and (c) secondary metabolites. Then main plants concerned in the temperate and tropical zones are described: cereals, oilseeds, oil palm, legumes, rubber trees, lignocellulosic plants and tubers / roots. Jatropha, Jojoba and Cuphea are in development. Finally, the principles of cropping systems for the sustainable establishment of each species are given.
By-products make up 50% of the weight of marine catches. Composed of parts not consumed directly by humans (heads, bones, skin, shells, etc.), they are rich in proteins, lipids, minerals and active entities of interest. They can be processed into various products: fishmeal, hydrolyzates, oil, mince, aromas, collagen, minerals, fertilizer, etc. Various processes are needed to stabilize, separate, purify, functionalize and concentrate the substances of interest. This article details the different marine byproducts, the processing and technologies used to transform them, and the applications of the end-products.
The seaweed industry is expanding rapidly. The largest market is for human food and more than 93% of the production comes from seaweed farming, an activity largely dominated by Asian countries. This article outlines the tropical seaweed sector (market, production and uses) which represent important economic and innovation opportunities. The diversity of tropical seaweeds offers remarkable potential for valorization for the human food and phycocolloid industries, for the health and well-being sector and for sustainable industries. These topics are addressed and illustrated using specific examples.
A traditional product from French Polynesia, based on two iconic ingredients that symbolise Tahitian culture, Tiare Tahiti flower and Polynesian coconut, Monoï de Tahiti results from ancient practice combined with the use of modern industrial techniques to obtain an international quality cosmetic product. This article gives an overview of standardised technical processes to comply with Appellation of Origin, and describes new trends in the use of Monoï de Tahiti as an active ingredient by the cosmetics industry.
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