Determination of proximate compositions and total sugar content of sugarcane (Saccharum officinarum L.) peel and bagasse

Mazlan, Siti Zulaikha (2018) Determination of proximate compositions and total sugar content of sugarcane (Saccharum officinarum L.) peel and bagasse. [Project Paper] (Submitted)

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Abstract

Sugarcane (Saccharum Officinarum L.) is known as one of the major sources of sugar and mainly planted in subtropical and tropical area. The sugarcane wastes such as peel and bagasse provide wide range of benefits. Besides, they can be used as a potential supplement in food ingredients for their nutritional value. Although the nutritional composition of sugarcane bagasse can be found in the literature, little is known on the sugarcane peel. Hence, this study was conducted to determine and compare the proximate compositions and total sugar content of these sugarcane wastes. Sugarcane peel and bagasse were acquired from a sugarcane juice vendor in Kajang, Selangor. Then, they were washed, freeze-dried, homogenized and analysed for the nutrient contents. For the moisture content, oven-drying method was used (105°C; 36h) and dry ashing technique with a furnace was used to determine the ash content. Kjeldahl method and Soxhlet extraction method with petroleum ether were used to analyse protein and fat contents, respectively. The total dietary fibre (TDF) was determined based on the AOAC 985.29 method, and carbohydrate was calculated by difference. Lastly, total sugar was determined by using acid hydrolysis method. The protein content was significantly different (p<0.001) between the samples, where its content in the peel (1.23±0.00%) was significantly higher than in the bagasse (0.88±0.00%). However, other nutrients and total sugar content were not significantly different (p>0.05) between the peel and bagasse. Although not significant, both samples were found to have relatively high TDF (Peel=63.22±2.27%) and (Bagasse=63.I0±0.76%). These findings indicated that the sugarcane's nutrient compositions are not much different by its part of the plant. Both sugarcane bagasse and peel are agro-industrial by-products that can be a good source of dietary fibre. Besides, they can be further explored as a potential source of nutraceuticals and functional foods.

Item Type:	Project Paper
Subjects:	R Medicine > RM Therapeutics. Pharmacology
Faculty:	Faculty of Medicine and Health Science
Depositing User:	Ms Norafizah Radzuan
Date Deposited:	22 Jul 2026 04:06
Last Modified:	22 Jul 2026 04:06
URI:	http://psaspb.upm.edu.my/id/eprint/2877

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