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Clean label extraction of bioactive compounds from food waste through microwave-assisted extraction technique-A review

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Food Bioscience 2022年第2期46卷 1020-1028页

作者： Tayyaba Alvi zarnab asif Muhammad Kashif Iqbal Khan National Institute of Food Science and Technology University of AgricultureFaisalabad38000PunjabPakistan Department of Food Engineering University of AgricultureFaisalabad38000PunjabPakistan

Clean label and green extraction have attained popularity due to elimination of solvent use and reduction in energy *** this regard,microwave assisted extraction have emerged as a novel process for extraction of bioactive *** process observed to consume less time and energy but have higher extraction ***,the functionality of bioactive compounds has not degraded in this ***,this article explores the potential of microwave-based extraction as a green and ecofriendly ***,it has been coupled with conventional technique(*** distillation,steam diffusion,hydrodistillation,air hydrodistillation,and hydro-diffusion and gravity)to ease the process and increase the *** data highlights the importance of various hybrid techniques(microwave+conventional ones)for the extraction of bioactive compounds from fruit&vegetable waste.

关键词： Ecofriendly Green extraction Sustainable Solvent free extraction Fruit waste

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Analysis of Bifenthrin Degrading Bacteria from Rhizosphere of Plants Growing at Tannery Solid Waste

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American Journal of Plant Sciences 2015年第13期6卷 2042-2050页

作者： Mukhtar Ahmed Farkhanda Jabeen Muhammad Ali zarnab Ahmad Fayyaz Ahmed Muhammad Bilal Sarwar Salah ud Din Mubbashir Hassan Shah Jahan Centre of Excellence in Molecular Biology University of the Punjab Lahore Pakistan Department of Botany University of the Punjab Lahore Pakistan

Bifenthrin is an insecticide which is used to control insects, mites, and ticks. It poses a solemn en-vironmental threat and health risk to living organisms. It may be bioaccumulated or biomagnified at different trophic levels in the food chain by biota. Microbes are hidden creature of earth’s biodiversity. For isolation of bifenthrin degrading bacteria, rhizospheric soil samples of plants like Pisum sativum, Triticun aestvum, Chenopodium album were taken from tannery solid waste, Kasur, Pakistan. Enrichment culture techniques were used for the isolation of bacterial strains that showed luxurious growth on minimal growth media with bifenthrin dose was selected for biodegradation study. Bacteria were further screened out based on their morphological, biochemical parameters and degradation efficiency. Furthermore the effect of different growth factors like temperature, pH, inoculum concencentration, minimal inhibitory concentration of heavy metals and antibiotics were also studied. Bacterial strains of Xanthomonas and Bacillus sp. were identified as efficient degrading microbes. Maximum bifenthrin utilization were observed at 25°C (pH 7), with 500 μL inoculum of Bacillus sp., while Xanthomonas sp. gave optimm utilization at 30°C (pH 7) at the same inoculum volume of bacteria. The Rf values of Bacillus sp. and Xanthomonas sp. were 0.91 and 0.90 respectively, which indicated their potential to metabolize bifenthrin into nontoxic forms. These strains can be used to clean up the sites polluted with pesticides and tannery wastes when present in rhizosphere of plants.

关键词： Bifenthrin Biodegradation Tannery Solid Waste Rhizosphere

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