Bioactive compounds of oils extracted from fruits seeds obtained from agroindustrial waste

Abstract

This study aimed at evaluating the oils extracted from seeds originating from agroindustrial wastes, in order to identify the presence of bioactive compounds. The oils extracted from seeds of apple, citron, grape, guava, kumquat, mangaba, mango, melon, orange, papaya, passion fruit, pumpkin, soursop, strawberry, and tomato were studied. Therefore, determination of fatty acid profile, triglycerides, composition of tocopherols, phytosterols and phenolic compounds, and total carotenoids was performed in the oils. Strawberry seed oil stood out for its high content of linolenic acid (31.5%), which is classified as essential fatty acid, and also for its high content of phenolic compounds, compared to the other samples. The concentrations of tocopherols ranged from nd (not detected), in kumquat seed oil, to 534.53 mg/kg, in apple seed oil. The main phytosterol found among the samples was β‐sitosterol. Practical applications: The analyses accomplished indicate that these oils can be a new source of oils for human consumption. The information presented might be directly used for developing of functional foods, as well chemical, pharmaceutical, and cosmetic industries. This study aimed at evaluating the oils extracted from seeds originating from agroindustrial wastes. Determination of fatty acid profile, composition of tocopherols, phytosterols and phenolic compounds, and total carotenoids was performed in the oils extracted from seeds of apple, citron, grape, guava, kumquat, mangaba, mango, melon, orange, papaya, passion fruit, pumpkin, soursop, strawberry, and tomato.

Waste from brewing (trub) as a source of protein for the food industry

“…Technologies are applied to reuse the agro‐industrial by‐products and thereby reduce their disposal, add value and minimise the environmental impacts. The drying process (Vital et al ., ), extraction of phytochemical compounds (Alvarez et al ., ), oil extraction (da Silva & Jorge, ), microfiltration (Shotipruk et al ., ), enzymatic hydrolysis (Hsu et al ., ), adsorptive separation (Luz et al ., ) and ultrasound (Habibi et al ., ), among others, can be applied for waste utilisation.…”

Management of Fruit Industrial By-Products—A Case Study on Circular Economy Approach

“…Fruit processing industries are one of the main producers of food waste. In this instance, the Europe Commission prompted new targets on the reduction of fruit waste to stimulate Europe's transition towards a CE [21]. Fruit processing industries produce a great number of consumer natural products such as juice, jams, salads or snacks, among others.…”

Extraction of oil from passion fruit seeds using surfactant-assisted aqueous extraction

“…The phenolic content in passion fruit seed oils was lower compared to rosehip oil that contained up to 96 GAE/g of phenolic content (Ercisli, 2007). However, it is comparable to other seed such as grape, apple and citron (Da Silva and Jorge, 2017). In the cosmetic industry, the phenolic content of plant oil was used either through consumption of product or application in the skin as the phenolic help to retard the development of various skin disorders.…”