The extract exerted the most potent effect on MCF-7 (IC50 value: 20 μg/mL), followed by HER2-positive breast cancer cell lines ZR-75-1 and SK-BR-3 (IC50 values: 60 and 40 μg/mL, respectively), then triple-negative breast cancer cell lines MDA-MB-468 and MDA-MB-231 (IC50 value: ˃100 μg/mL). The gene discussed is ERBB2; the disease is breast cancer.