Author
Listed:
- Ajeet Singh Chauhan
(Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
These authors contributed equally to this work.)
- Chiu-Wen Chen
(Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
Sustainable Environment Research Center, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
These authors contributed equally to this work.)
- Reeta Rani Singhania
(Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
Sustainable Environment Research Center, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
Centre for Energy and Environmental Sustainability, Lucknow 226029, India)
- Mansi Tiwari
(Department of Genetics and Plant Biotechnology, Banaras Hindu University, Varanasi 221005, India)
- Rijuta Ganesh Sartale
(Research Institute of Integrative Life Sciences, Dongguk University-Seoul, Ilsandong-gu, Goyang-si 10326, Korea)
- Cheng-Di Dong
(Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
Sustainable Environment Research Center, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan)
- Anil Kumar Patel
(Institute of Aquatic Science and Technology, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
Department of Marine Environmental Engineering, National Kaohsiung University of Science and Technology, Kaohsiung City 81157, Taiwan
Centre for Energy and Environmental Sustainability, Lucknow 226029, India)
Abstract
The municipal authorities in developing nations face serious challenges in marigold flower garbage management. The primary issue is that they never are reused after prayers. Flower waste of Tagetes erecta , T. patula , and Calendula officinalis L. are commonly used for carotenoid and flavonoid extractions and, subsequently, used for incense stick and biogas production. Marigold plants are also used for phytoremediation during their growth stage. The lutein industry is booming due to its increasing market demand, expected to reach ~2121.2 billion tons by 2022, where marigolds are a major contributor globally. The process of isolating lutein from saponified marigold oleoresin yields a product with 70–85% purity. Lutein is a major xanthophyll (70–88%) of marigold petals, and a maximum of 21.23 mg/g of lutein was extracted. This review discusses the properties of selective marigold species, their compositions, and the extraction of different flavonoids and carotenoids, especially lutein. Moreover, different extraction methods of marigold lutein, the collection of marigold waste, and their subsequent utilization to derive several value-added products are discussed. Among physical treatments, ultrasonic-assisted extraction and enzymatic treatment with 5% solids loading were the maximum-yielding methods.
Suggested Citation
Ajeet Singh Chauhan & Chiu-Wen Chen & Reeta Rani Singhania & Mansi Tiwari & Rijuta Ganesh Sartale & Cheng-Di Dong & Anil Kumar Patel, 2022.
"Valorizations of Marigold Waste for High-Value Products and Their Industrial Importance: A Comprehensive Review,"
Resources, MDPI, vol. 11(10), pages 1-21, October.
Handle:
RePEc:gam:jresou:v:11:y:2022:i:10:p:91-:d:932634
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