Evaluation of health promoting properties and quality of herbal teas obtained from fine-grained fraction of herbs

Abstract

The purpose of this paper was to determine the quality of herbal teas produced using the non-pressure agglomeration of fine-grained fractions of herbs, compared with their counterparts available on the market. In prepared infusions, the total polyphenol content was determined, using the Folin-Ciocalteu's reagent, as well as the antioxidative activity with the use of the DPPH radical and L* a* b* colour parameters, according to the CIELab colour scale, were identified. Moreover, the iron, lead and cadmium ion content in the raw materials used in the manufacture of herbal granules was determined. Herbal infusions presented high but diversified active compound content. Infusions prepared from herbal granules displayed lower antioxidative properties and higher polyphenol content than commercially available teas. Infusions obtained from herbal granules of the smallest size had the darkest colour. Results of the analyses show that infusions obtained from granulated herbal powder do not pose any health hazard, and bio-active compounds contained therein may improve consumers' health. Non-pressure agglomeration of fine-grained herbal fractions may be used as an alternative method for their management.

A Review on the Production and Uses of Herbal Teas

“…Herbs have a long history of both culinary use and of providing health benefits, as well as acting as preservatives mainly with Ethiopia [10,22]. Many herb plants are widely used as cooking to enhancing the flavor of foods including meats, sauces, vegetables, and desserts [10,23,24]. Beyond acting as a replacement for salt, the nutritional contribution of these dietary plants has in the past been deemed negligible probably because of the relatively small, although increasing amounts consumed [16,[22][23][24].…”

“…Many herb plants are widely used as cooking to enhancing the flavor of foods including meats, sauces, vegetables, and desserts [10,23,24]. Beyond acting as a replacement for salt, the nutritional contribution of these dietary plants has in the past been deemed negligible probably because of the relatively small, although increasing amounts consumed [16,[22][23][24]. Herbal teas have health benefits due to specific active substances phytochemicals [24][25][26][27].…”

“…Beyond acting as a replacement for salt, the nutritional contribution of these dietary plants has in the past been deemed negligible probably because of the relatively small, although increasing amounts consumed [16,[22][23][24]. Herbal teas have health benefits due to specific active substances phytochemicals [24][25][26][27]. Among the phytochemical substances, phenolic acids and flavonoids, are the major groups of natural components in plants that have received increasing interest over the last decades due to free radical scavenging properties.…”

“…These phytochemicals are excellent to ensuring protection against harmful free radicals, which, through reactions with proteins, lipids, and saccharides, lead to their oxidation and consequently to the damaging of cellular structures, which contributes to the development of many diseases, have analgesic, antiinflammatory, anti-bacterial, anti-viral and antiallergic. Drinking herbal teas have also the advantage of boosting energy levels and invigorating the body, quenching the body by preventing hydration of the body, it promotes night sleep due to caffeine-free and antimicrobials activity [8,24,28]. No adverse statements have been reported for the drinking of herbal tea and herbal tea combinations can be used in minor complaints affecting [29,30].…”

Effect of Mongolian Herbal Tea on Growth of <i>Candida albicans</i>

“…There are three types of Mongolian teablack, herbal, and green-and all are widely consumed among the Mongolian population 2) . Herbal tea has various health-promoting components, and is, therefore, often consumed for the various medical advantages if offers 6,13) . The type of herbal tea chosen for the present study is made from 6 medicinal plants, including rosa acicularis, vaccinium vitis-idaea, betula platyphylla, taraxacum officinale, and plantago major.…”