African Journal of Medicine, Surgery and Public Health Research
Vol 2 No 3 (2025): African Journal of Medicine, Surgery and Public Health Research

Effect of the Different Drying Methods on the Chemical Composition of Fluted Pumpkin Leaves (Telfairia occidentalis)

Mary Athanasius Udoh (Unknown)
Abimbola Gbenga Olayemi (Unknown)
Daniel Oche Onah (Unknown)
Musbau Adekunle Yahaya (Unknown)
Augustina Elochukwu Ijezie (Unknown)
Chukwunonso John-Cyril Umeh (Unknown)



Article Info

Publish Date
25 Sep 2025

Abstract

Vegetables, primarily the leafy parts of edible plants, are vital sources of essential vitamins and minerals necessary for maintaining good health. Telfairia occidentalis (fluted pumpkin leaves), widely consumed among various ethnic groups in Nigeria, is a green leafy vegetable often subjected to drying for preservation and flavor enhancement. This study aimed to evaluate the impact of drying methods on the chemical composition of T. occidentalis leaves. Approximately 2.5 kg of fresh leaves were procured from Watt Market, Calabar (South-South Nigeria), sorted, and divided into three equal portions: a fresh (untreated) control, a sun-dried sample, and an oven-dried sample. After one month of drying, the samples were pulverized into flour, packaged in airtight containers, and stored in a cool, dry place. Proximate, elemental, and phytochemical analyses were conducted using standard methods. Results revealed a substantial reduction in moisture content from 83.01 ± 0.1% in the fresh sample to 22.60 ± 0.1% and 10.50 ± 0.2% in sun- and oven-dried samples, respectively, leading to increased dry matter. Enhanced concentrations of ash, crude protein, fat, fiber, and carbohydrates were observed, particularly in oven-dried samples (e.g., crude protein increased from 2.80 ± 0.02% to 5.13 ± 0.01%). However, mineral content declined with drying, more significantly in oven-dried samples; sodium levels, for instance, decreased from 9.30 mg/100g (control) to 7.71 mg/100g (sun-dried) and 4.34 mg/100g (oven-dried). Additionally, anti-nutritional factors and food toxicants were significantly reduced, especially in oven-dried leaves. The findings suggest that while drying enhances certain nutritional attributes, it also compromises some mineral content. Nevertheless, drying remains a viable strategy to extend shelf life and reduce waste in the absence of refrigeration.

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Journal Info

Abbrev

AJMSPHR

Publisher

Subject

Biochemistry, Genetics & Molecular Biology Immunology & microbiology Medicine & Pharmacology Nursing Public Health

Description

African Journal of Medicine, Surgery and Public Health Research aims to publish rigorous, peer-reviewed scholarship that advances medical science, surgical practice, and public health research through ethically grounded, scientifically robust, and practically relevant studies. • Medical Research: ...