Plastic is a synthetic polymer that is highly used every year in almost every field of life. Aquatic plastic waste is plastic that scattered in the aquatic environment in the form of macroplastic or microplastic. Plastic production is expected to continue increasing from year to year. Due to the massive production and use of various plastic products, the accumulation of plastic waste in the environment is still increasing resulting in environmental pollution. Biodegradation is considered as the appropriate method to solve the problem. Plastics biodegradation involves various enzymes produced by plastic degrading microorganisms including algae, bacteria, and fungi. During biodegradation, plastics polymer will be converted into microbial biomass and gases through several steps including biodeterioration, biofragmentation, depolymerization, assimilation and mineralization. Thus, this process has less side effect on the environment.
Breast cancer, one of the most deadly diseases occurring in women, is caused by factors. In the healing process, the sufferer needs treatment, such as radiation techniques, surgery, and chemotherapy. But, these techniques have avoidable weaknesses that damage healthy cells. To date, natural sources can be utilized in medicine field. Guava (Psidium guajava L.) and turmeric (Curcuma longa L.) are two common plants obtaining compounds that inhibit the growth of cancer cells based on phytochemical properties. This study was written to review the potential both of plants as anticancer agents. Through the literature, guava leaf extract consists of flavonoids, tannins, alkaloids, saponins, terpenoids that inhibit the proliferation of cancer cells. Besides, turmeric also has tannins, alkaloids, terpenoids, flavonoids, glycosides, sterols, and curcumin. The presence of curcumin reduces histamine production which induce inflammation and decrease toxin. Because of curcumin, breast cancer cells have dehydration before apoptosis.
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