Abstract
The increasing production of tropical fruits followed by their processing results in tons of waste, such as skins or seeds. However, these by-products have been reported to be rich in bioactive compounds (BACs) with excellent properties of interest in the cosmeceutical industry: antioxidant, anti-aging, anti-inflammatory, antimicrobial and photoprotective properties. This review summarizes the tropical fruits most produced worldwide, their bioactive composition and the most important and studied therapeutic properties that their by-products can contribute to skin health, as well as the different approaches for obtaining these compounds using techniques by conventional (Soxhlet, liquid-liquid extraction or maceration) and non-conventional extractions (supercritical fluid extraction (SFE), ultrasound-assisted extraction (UAE), microwave-assisted extraction (MAE), pressurized liquid extraction (PLE) and two-phase aqueous system), followed by their identification by HPLC-MS or GC-MS analysis. Moreover, this work encompasses several studies that may prove the effects of seeds and skins from tropical fruits against oxidative stress, hyperpigmentation, acne, aging or UV radiation. Therefore, the investigation of functional components present in tropical fruit by-products under a circular bioeconomy model could be of great interest for the cosmeceutical industry and a very promising option for obtaining new cosmeceutical formulations.
Highlights
IntroductionThe production of tropical fruits has increased considerably. tropical fruits only account for 3% of the global exports of agricultural food products, they are in the third most valuable group of fruits worldwide
In recent years, the production of tropical fruits has increased considerably
There is the small production of other lesser-known fruits, such as cherimoya, guava, passion fruit and litchi [2]. Their high production and demand are due to the proven health benefits, in addition to their flavor and exotic character. Besides their contribution to macronutrients consumption, tropical fruits are characterized as a natural source of bioactive compounds (BACs) with high antioxidant capacity associated with the prevention of diseases related to oxidative stress, aging and chronic inflammation, which is why there is great interest in them from the food, pharmaceutical and cosmeceutical industry [3]
Summary
The production of tropical fruits has increased considerably. tropical fruits only account for 3% of the global exports of agricultural food products, they are in the third most valuable group of fruits worldwide. There is the small production of other lesser-known fruits, such as cherimoya, guava, passion fruit and litchi [2]. Their high production and demand are due to the proven health benefits, in addition to their flavor and exotic character. Besides their contribution to macronutrients consumption, tropical fruits are characterized as a natural source of BACs with high antioxidant capacity associated with the prevention of diseases related to oxidative stress, aging and chronic inflammation, which is why there is great interest in them from the food, pharmaceutical and cosmeceutical industry [3]
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