Table 2.

Examples of bioproducts obtained from valorization of some fruit by-products.

Fruit	By-Product	Methodology	Bioproducts	Reference
Banana	Peel	SSF by Aspergillus niger	Citric acid	[27]
Mango	Peel	Autoclave	Pectin and polyphenols	[28]
Tomato	Bagasse	Ultrasonic bath and high-performance homogenizer	Polyphenolic Antioxidants	[47]
Orange	Peel	Steam explosion	Limonene	[48]
Grape	Skin	SSF	Polyphenolic antioxidants	[49]
Grape	Bagasse	SSF	Polyphenolic antioxidants	[50]
Orange	Peel	Enzymatic and chemical hydrolysis	Pectin and Limonene	[51]
Passion fruit	Peel flour	Aqueous two phases systems	Polygalacturonase	[52]
Melon	Seeds	Extraction with n-hexane	Antioxidant oils	[53]
Watermelon	Seeds	Ultrasound treatment	Fatty acids, tocopherols	[54]
Avocado	Peel	Ethanolic extraction	Phenolic antioxidants	[55]
Pomegranate	Husk	SSF	Ellagic acid	[56]
Papaya	Peel	Extraction with n-hexane	Carotenoids, anthocyanins	[57]
Olive	Pomace	Multi-frequency Multimode Modulated ultrasonic	Phenolic antioxidants	[58]

Notes: Abbreviations: Solid State fermentation–SSF.