Cited by 113Mangiferin and Mango ExtractsEssential Oils and Antimicrobial ActivityMedicinal Plant Research

Evaluation of the proximate composition, antioxidant potential, and antimicrobial activity of mango seed kernel extracts

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Mutua, Jane K., Imathiu, Samuel, Owino, Willis·2017·Food Science & Nutrition

Abstract

Abstract After pulp extraction in fruit processing industry, a significant quantity of mango seed kernels are discarded as solid wastes. These seed kernels can be ideal raw materials for obtaining extracts rich in bioactive compounds with good antioxidant properties. The conversion of these wastes into utilizable food ingredients would help in reducing environmental problems associated with processing waste disposal. In order to determine their potential use, this study evaluated some of the biochemical characteristics and antimicrobial potential of mango seed kernel extracts on medically important human bacterial and fungal pathogens. Four mango varieties (Apple, Ngowe, Kent and Sabine) from Makueni and Embu counties in Kenya were used for this study. The analyzed mango seed kernel powders were found to contain on average, 6.74–9.20% protein content. Apple and Ngowe mango seed kernels had significantly higher fat content of 13.04 and 13.08, respectively, while Sabine from Makueni had the least fat content of 9.84%. The ash, fiber, and carbohydrate contents ranged from 1.78 to 2.87%, 2.64 to 3.71% and 72.86 to 75.92%, respectively. The mean percentage scavenging ability of mango kernel extracts at the concentration of 20 mg/mL was 92.22%. Apple and Sabine mango kernel extracts had significantly high inhibition zones of 1.93 and 1.73 compared to Kent and Ngowe with 1.13 and 1.10, respectively, against E. coli. For C. albicans, the inhibition of Kent mango kernel extract, 1.63, was significantly lower than that of Ngowe, Apple, and Sabine with 2.23, 2.13, and 1.83, respectively. This study demonstrates that mango seed powder is an abundant and cost‐effective potential natural antibiotic and antifungal that can be utilized in addressing the challenge of food poisoning and infections caused by pathogenic microorganisms in the food industry.

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  1. Calvo, M. A., E. L. Arosemena, C. Shiva, and C. Adelantado. 2012 Antimicrobial activity of plant natural extracts and essential oils Pp. 1179– 1185 in Science against microbial pathogens: communicating current research and technological advances, Formatex Research Centre, Spain.

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Authors
Mutua, J. K., Imathiu, S., & Owino, W.
Affiliations
Jomo Kenyatta University of Agriculture and Technology (KE)
Corresponding author
Owino, Willis
Venue
Food Science & Nutrition
Publisher
Wiley
Published
2016-06-25
Volume
5
Issue
2
Pages
349-357
ISSN
2048-7177 (ISSN-L)
OpenAlex
W2474147553
Cited by
113
References
32
Citations by year
2026: 12 · 2025: 15 · 2024: 21 · 2023: 19 · 2022: 12 · 2021: 15 · 2020: 9 · 2019: 8 · 2018: 1 · 2017: 1
FWCI
6.86
Type
journal article
Language
en
Open access
Locations
  • Food Science & Nutrition (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • Informationszentrum Lebenswissenschaften (ZB MED) (submittedVersion, cc-by)
Funders
Kenya Agricultural Productivity and Agribusiness Project (KAPAP)
Topics
  • Health Sciences › Medicine › Complementary and alternative medicine › Mangiferin and Mango Extracts
  • Life Sciences › Agricultural and Biological Sciences › Food Science › Essential Oils and Antimicrobial Activity
  • Life Sciences › Agricultural and Biological Sciences › Plant Science › Medicinal Plant Research
Keywords
mango seed kernel, mango cultivars, proximate composition, antioxidant activity, antimicrobial activity, antifungal activity, antibacterial activity, food waste valorization, Escherichia coli, Candida albicans, natural antibiotics

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