Nutritional, Phytochemical and Sensory Properties of Herbal Tea: Cymbopogon citratus, Moringa oleifera and Zingiber officinale

Ikegwu, Theophilus M. and Obiora, Chika U. and Onwuemeri, Jennifer N. and Anene, Nkemakonam N. and Igwe, Paige N. and Okolo, Chioke A. (2023) Nutritional, Phytochemical and Sensory Properties of Herbal Tea: Cymbopogon citratus, Moringa oleifera and Zingiber officinale. Journal of Advances in Food Science & Technology. pp. 1-14. ISSN 2454-4213

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Abstract

The research investigated the effect of drying temperature and time; and the proportion of different samples on the physicochemical and sensory properties of herbal tea from lemongrass, moringa leaf and ginger. The samples were analyzed using standard methods. The results obtained showed that there were significant (P<0.05) differences in the proximate composition (%) of the samples (with fats, protein, carbohydrate, ash, moisture, and fibre contents ranged from 0.01-4.01, 3.90-6.67, 67.59-78.91, 2.02-6.90, 3.14-6.01 and 8.89-12.02, respectively. The phytochemical analyses showed significant (P<0.05) variations that could be attributed to the effect of temperature of drying, duration and proportion of ginger, moringa and lemon grass leaves. The oxalates ranged from 0.01-3.89 mg/g, alkaloids (2.89-7.89 mg/g), saponin (0.22-5.47 mg/g), phytates (0.08-6.67 mg/g), phenols (0.01-4.01 mg/g, flavonoids (0.06-16.34 mg/g, steroids (0.33-7.83 mg/g and Terpenoids (0.02-7.98 mg/g). It was observed that the vitamins (mg/g) and minerals (mg/g) likewise showed significant (P<0.05) variations with vtamins A, B1, C and D ranging from 7.57-12.05, 1.78-11.45, 2.77-11.91 and 4.32-12.11, respectively while the magnesium, calcium, manganese, potassium and sodium ranged from 3.64-8.89, 2.36-8.20, 0.00-0.04, 3.22-12.33 and 6.13-10.12, respectively. The samples with higher content of the lemon grass were observed to contain more flavonoids than others but increased concentration of the moringa and reduced the flavonoids content.

Item Type: Article
Subjects: Journal Eprints > Biological Science
Depositing User: Managing Editor
Date Deposited: 11 Nov 2023 05:34
Last Modified: 11 Nov 2023 05:34
URI: http://repository.journal4submission.com/id/eprint/3212

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