Hợp tác xã Nông nghiệp Hữu cơ Hạ Long Xanh, Đinh Thu Thủy Vermicompost and Vegetable Quality: Antioxidants Are Not All Equivalent Vegetable quality cannot be represented by a single indicator. Vitamin C, carotenoids and phenolic compounds are different groups; findings for one group cannot substitute for findings for another. A ... HLX50 Quảng Ninh chất chống oxy hóa phân trùn quế polyphenol rau quả hữu cơ vermicompost vitamin C May 25, 2026