Phytosterol and Polyphenol Contents and Quinoa Leave Yields Variation in Relationships to Variety, Density and Harvesting Date. - Stoleru, Vasile; Vitanescu, Maricel; Teliban, Gabriel-Ciprian; Cojocaru, Alexandru; Vlase, Laurian; Gheldiu, Ana-Maria; Mangalagiu, Ionel; Amăriucăi-Mantu, Dorina; Burducea, Marian; Zheljazkov, Valtcho; Rusu, Oana-Raluca (Agronomy, 2022)