Abstract
Tea is commonly served in Malaysian dining culture. Most of commercialized tea is made of Camellia sinensis that produces sweet aromatic smell. However, there are plenty of herb species in Malaysia that remain unknown to be used as tea while possess therapeutic effects. Acalypha indica is one of the herb species with sweet aromatic smell that has been traditionally consumed as healthy drink. In this study, the antioxidant activities of all plant parts of Acalypha indica was determined in terms of total phenolic, tannin and flavonoid contents, 1,1-Diphenyl-1- picrylhydrazyl (DPPH) assay, ferric reducing power (FRAP) and total cyanogenic glycoside content by comparing the measurements with two commercialized tea made of Camellia sinensis (P1 and P2). The phenolic content, tannin content and the FRAP values of Acalypha indica was lower than the P1 and P2. While, higher flavonoid content (24.33±2.96 mgQE/g) and DPPH value (0.089±0.003 mg/mL, IC50) were recorded on the Acalypha indica. The high antioxidant activity of Acalypha indica was attributed by the high flavonoid content in the plant that might be useful for therapeutic purpose. Besides, it is also safe to be consumed as tea as there was no detection of cyanogenic. However, further study is necessary to clarify the cyanogenic content and to confirm the volatile compound in the plant.
Highlights
Tea is a beverage served with or without sweetener such as sugar, creamer or milk
Data of the total phenolic content (TPC), total tannin content (TTC), total flavonoid content (TFC), Diphenyl-1- picrylhydrazyl (DPPH) scavenging activity and FRAP were presented in Table 1 and Table 2
This result indicates that both tea products made from Camellia sinensis, sold in the local market, have similar amount of phenolic content
Summary
Tea is a beverage served with or without sweetener such as sugar, creamer or milk. It is a low-cost drink, affordable by most people compared to other beverages. Tea is synonyms with a shrub plant species called Camellia sinensis. It is prepared by immersing dried plant leaves in hot water. Drinking tea has become part of Malaysian culture as it is commonly found and served at home, restaurants, events and feasts. Tea leaves are packed in various packaging form which are available in groceries as different brands, flavor and prices for customer selection. People are enjoying tea due to its delicious flavor and fragrant aroma produced by its leaves. Malaysia has become one of the regular countries in generating income for local and international supplies
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