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2 Journal of Ecological Engineering

2 2023

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Whey Valorization – Innovative Strategies for Sustainable Development and Value-Added Product Creation

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Soumati B. , Atmani M. , Benabderrahmane A. , Benjelloun M.

Journal of Ecological Engineering

2023

tom Vol. 24, nr 10

86--104

In recent years, the pursuit of sustainable practices and the efficient utilization of resources has become paramount in various industries, including the food and beverage sector. One such challenge faced by the dairy industry is the management of whey, a byproduct generated during cheese and yogurt production. Historically, whey has been perceived as a discarded waste product, leading to environmental concerns due to its high organic load and disposal challenges. However, with the increasing emphasis on sustainability, researchers and industry leaders have recognized the potential of developing innovative approaches to valorize whey, transforming it into valuable products while minimizing waste and environmental impact. Essentially turning it from “gutter-to-gold. This review provides an overview of the technologies used for whey valorization, with a focus on new approaches, innovative products, and emerging perspectives. It aims to stimulate research and innovation in this critical field, fostering the development of a more sustainable and circular dairy industry.

Chemical and Elemental Composition of Ammi visnaga L. and Calendula officinalis L. from Meknes, Morocco

75%

Benabderrahmane A. , Atmani M. , Rhioui W. , Boutagayout A. , Errachidi F. , Belmalha S.

Journal of Ecological Engineering

2023

tom Vol. 24, nr 8

84--94

The powders of Ammi visnaga L. and Calendula officinalis L. plants collected from Meknes region were subjected to three types of analysis, including Fourier transforms infrared spectroscopy (FTIR) analysis, CHNS/O analysis, and ICP-AES analysis with the aim of comparing and giving an insight into the nutritional value, medicinal properties, and potential applications in different fields. The results of the FTIR analysis showed absorbance bands in the same wavelengths, but with different peaks, indicating the presence of long-chain linear aliphatic compounds, lipids, amides, aromatic compounds, and other functional groups in both plants. The CHNS/O analysis revealed high levels of carbon and oxygen, followed by hydrogen, nitrogen, and sulfur for both plants, with no significant differences in the values. The ICP analysis detected 16 minerals, including calcium, potassium, phosphorus, and magnesium in Ammi visnaga, and low levels of sodium in comparison to Calendula officinalis. Calendula officinalis accumulated more aluminum and lead than Ammi visnaga, indicating higher tolerance to contaminations. Zinc, iron, manganese, and copper were important micronutrients present in both plants. The findings of this study suggest that both plants have significant amounts of phytochemical compounds and minerals, which could be beneficial for their potential use in the pharmaceutical, nutraceutical, and cosmetic industries.