Biomass derived cellulose nanofiber loaded PVA-nanocurcumin coating for extending the shelf life of Mandarin oranges (Citrus reticulata) oleh S V Anjana Krishna, S Umadevi, C D Midhun Dominic, Jyotishkumar Parameswaranpillai, A V Asha Bhanu, Jesiya Susan George, T Sreedevi, Sabu Thomas, P Poornima Vijayan