Shea butter waste for sustainable production of value-added biomaterials for circular bioeconomy: A review

Cleaner and Circular Bioeconomy Pub Date : 2024-12-30 DOI:10.1016/j.clcb.2024.100133

C.O. Bamigboye , M.A. Ayantoyinbo , K. Sudesh

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Abstract

Shea butter is a natural fat widely used in personal care products, cosmetics, and food industries. This review analyses the possibility of creating biomaterials with added value from shea butter waste. Results indicate that shea butter from East Africa is made up of (47 – 62) % oleic acid and (25 – 38) % stearic acid, while West African shea butter is made up of (29 – 48) % and (40 – 48) % oleic and stearic acid respectively. More than 2.5 million tons of shea kernel is produced annually, with about 55 % constituting shea nut cake. Uncontrolled disposal of shea butter waste is environmentally unsafe due to the presence of phytochemicals such as tannins, theobromine, saponins, alkaloids and phenols. Shea butter waste can be used as a source of raw materials in construction, packaging industries, pharmaceuticals, and others. Production of biomaterials from shea butter waste can make the production process environmentally safe, sustainable, and cost-effective. In conclusion, shea butter waste though yet to be fully exploited, is a promising source of value-added biomaterials, with potential for applications across multiple industries.

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乳木果油废弃物用于循环生物经济可持续生产增值生物材料的研究进展

乳木果油是一种天然脂肪，广泛用于个人护理产品、化妆品和食品工业。本文分析了利用乳木果油废料制造具有附加值的生物材料的可能性。结果表明，东非乳木果油的油酸含量为（47 ~ 62%）%，硬脂酸含量为（25 ~ 38%）%，而西非乳木果油的油酸含量为（29 ~ 48%）%，硬脂酸含量为（40 ~ 48%）%。每年生产250多万吨乳木果仁，其中约55%是乳木果饼。由于存在单宁、可可碱、皂素、生物碱和酚类等植物化学物质，不受控制地处理乳木果油废弃物对环境是不安全的。乳木果油废料可作为建筑、包装工业、制药等行业的原料来源。从乳木果油废料中生产生物材料可以使生产过程对环境安全、可持续和具有成本效益。总之，乳木果油废料虽然尚未得到充分利用，但它是一种有希望的增值生物材料来源，具有在多个行业应用的潜力。

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来源期刊

Cleaner and Circular Bioeconomy

CiteScore

3.30

自引率

0.00%

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