Microstructure-driven oxidative stability and gut microbiota modulation of flaxseed oil Nano-capsules: A freeze-drying versus vacuum-drying comparative study - Xu Fang; Kun He; Jin-Yuan Hu; Zhi Qin; Xiao-Shuang Cai; Yuan-Qing Luo; Hua-Min Liu (Food Chemistry, 2026)