Sustainable valorization of unutilized marigold flowers for eco-friendly herbal gulal production and its storability effects on quality attributes - Anshul Kumar; Bharati Kashyap; Sita Ram Dhiman; Anjali Chauhan; Bhavya Bhargav; Nitin Sharma; Sabhya Pathania; Pamita Bhandari; Abeer Hashem; Graciela Dolores Avila-Quezada; Khalid F. Almutairi; Elsayed Fathi Abd_Allah (Waste Management, 2026)