This study investigates the characteristics of an antioxidant cream made from methanol extract Piper sarmentosum leaves, which is locally known as wild betel or pokok kadok in Malay. The secondary metabolites leaves were subjected to phytochemical tests detect presence natural compounds. Antioxidant activity was described by its total phenolic content (TPC) and flavonoid (TFC), assessed 2,2-Dip...

This study aims to determine the anatomical structure and histochemical test of terpenoid phenol compounds in two varieties green betel plants (Piper betle). Making leaves preparations using fresh method, testing with 5% copper acetate, ferric trichloride 10% some grains sodium carbonate. The observations leaf 1 2 have similarities consisting upper epidermis, hypodermis, palisade parenchyma, pa...

BACKGROUND Chewing betel-nuts (Areca catechu) is carcinogenic but the risk for hepatocellular carcinoma (HCC) and liver cirrhosis (LC) is little considered. Worldwide 600 million people chew betel, including emigrants from palm-growing countries. OBJECTIVE We aimed to assess the relationships and dose-response effects of betel chewing on LC and HCC risks, since habit cessation could reduce th...

The IARC monographs recently classified chewing betel quid without tobacco as a human carcinogen. Several studies in Taiwan have reported that betel quid without tobacco may increase the risk of oral precancers such as oral leukoplakia and oral submucous fibrosis. However in India, since most betel quid chewers prefer to add tobacco to the quid, the independent effect of betel quid on the risk ...

Free radical scavenging and tyrosinase inhibition activity of thirteen aromatic oils from Thai medicinal plants were investigated. A stable free radical DPPH (1, 1-diphenyl-2-picryhydrazyl) was used in the free radical scavenging assay and mushroom tyrosinase enzyme was used in the tyrosinase inhibition test. The two assays were performed in 96-well plates and the absorbance measured by a well ...

The use of antiseptics is highly recommended when there a disease epidemic, even like the current Corona Virus Disease (Covid-19) pandemic, because it can slow spread or break chain spread. sheath made lipids easily damaged by fatty solvents (soap, detergent, alcohol> 60%, chloroform, ether), making covid-19 virus unable to infect and reproduce. purpose this study was determine ability inhib...

Areca nut is one of the most widely used psychoactive substances with several hundred million users worldwide, predominantly in southern Asia. Areca nut can be chewed alone or in a variety of ways that differ by region. The habit of chewing betel quid, containing fresh, dried or cured areca nut, catechu, slaked lime and flavouring ingredients wrapped in betel leaf, is widespread in India, Pakis...