Production and antioxidant activity of secondary metabolites in Hassawi rice (Oryza sativa L.) cell suspension under salicylic acid, yeast extract, and pectin elicitation

Hossam S. El‐Beltagi, Heba I. Mohamed, Mohammed I. Al-Daej, Jameel M. Al‐Khayri, Adel A. Rezk, Muneera Q. Al-Mssallem, Muhammad Naeem Sattar, Khaled M. A. Ramadan