Effect of altitude and solvent on Psidium guajava Linn. leaves extracts: phytochemical analysis, antioxidant, cytotoxicity and antimicrobial activity against food spoilage microbes

海拔和溶剂对番石榴叶提取物的影响：植物化学分析、抗氧化、细胞毒性和对食品腐败微生物的抗菌活性