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- W4310366826 abstract "Aspalathus linearis (Burm.f) R.Dahlgren, commonly referred to as ‘rooibos tea’, is the best-known indigenous South African herbal tea. It is considered the success story of indigenous product development and marketing, and it is a prime export product, marketed globally. Rooibos is endemic to the Fynbos Biome and is found in the far southwestern part (Nieuwoudtville) of the Northern Cape Province, but chiefly in the Citrusdal and Clanwilliam regions (Cederberg area) of the Western Cape Province. Rooibos tea is anecdotally consumed to relieve colic, indigestion, heartburn and nausea. It also reduces nervous tension, promotes sound sleep and improves appetite. Rooibos extracts are included as anti-oxidant in a wide range of nutraceutical products. The use of rooibos extract in products for topical application for a range of dermatological issues and in a collection of skin-care products is well-established in South Africa. The ‘fermentation’ process is important for the development of the characteristic aroma, flavour and colour of the ‘traditional’ tea product, notable for its red–brown colour. The phytochemistry of rooibos tea has been extensively investigated, especially with regard to the aspalathin (dihydrochalcone) content and that of other major flavonoids, and the quantitative differences between unfermented (green) and fermented rooibos. Much has been documented concerning the anti-oxidant activity of rooibos tea and its role in alleviating oxidative stress. The potential of rooibos, in particular green rooibos extract and aspalathin, in the prevention of metabolic syndrome has been the focus of many studies. Other investigations include antispasmodic, anticancer, bone health and antistress activities. High-performance liquid chromatography (HPLC) with diode array detection (DAD) has been used extensively for the quantification of aspalathin, other major flavonoids and Z-2-(β-d-glucopyranosyloxy)-3-phenylpropenoic acid in rooibos. Other techniques, such as semi-automated high-performance thin-layer chromatography (HPTLC), ultra-performance liquid chromatography coupled to mass spectrometry (UPLC–MS), and mid-infrared (MIR) spectroscopy, were used to determine the chemical profiles of rooibos tea." @default.
- W4310366826 created "2022-12-09" @default.
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- W4310366826 date "2023-01-01" @default.
- W4310366826 modified "2023-09-30" @default.
- W4310366826 title "Aspalathus linearis" @default.
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