Investigation of sustainable source of nutrients from fresh and pasteurised sweet potato haulm juice powder

Nurhani Fatihah Mohd Hanifah, . and Nur Anisya Syakirah Mohd Sayuti, . and Syamila Mansor, . Investigation of sustainable source of nutrients from fresh and pasteurised sweet potato haulm juice powder. pp. 98-105. ISSN 2672-7226

The push for modernisation in agriculture involves food-based plants as a buffer for more profitable returns. In Malaysia the second widest cash-crop plantation is for sweet potato (Ipomoea batatas L.) occupying 3 623 hectares of agricultural land. Furthermore its haulms are discarded as waste. There are limited studies on the macronutrients of sweet potato stalk stem and leaves collectively known as the haulm. This study investigates the proximate nutritional composition of fresh and pasteurised sweet potato haulm juice powders (SPHJPs). The pasteurisation process has significantly reduced carbohydrate content (39.33 g/100g dry weight (dw)) and increased mineral content (13.24 g/100g dw) compared with fresh SPHJP (p0.05). The fresh and pasteurised SPHJP had a minimum percentage of protein (35.23 g/100g dw) fibre (7.72 g/100g dw) and fat (2.42 g/100g dw) revealing that the haulm from sweet potato has the potential to be transformed into a sustainable source of nutrients and as an innovative plant-based protein. The current information is crucial in imparting dietary recommendations on utilising sweet potato haulm as part of human or animal diet. Future studies that emphasise on the micronutrient and antinutrient contents of the haulm are recommended.

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Abstract

The push for modernisation in agriculture involves food-based plants as a buffer for more profitable returns. In Malaysia the second widest cash-crop plantation is for sweet potato (Ipomoea batatas L.) occupying 3 623 hectares of agricultural land. Furthermore its haulms are discarded as waste. There are limited studies on the macronutrients of sweet potato stalk stem and leaves collectively known as the haulm. This study investigates the proximate nutritional composition of fresh and pasteurised sweet potato haulm juice powders (SPHJPs). The pasteurisation process has significantly reduced carbohydrate content (39.33 g/100g dry weight (dw)) and increased mineral content (13.24 g/100g dw) compared with fresh SPHJP (p0.05). The fresh and pasteurised SPHJP had a minimum percentage of protein (35.23 g/100g dw) fibre (7.72 g/100g dw) and fat (2.42 g/100g dw) revealing that the haulm from sweet potato has the potential to be transformed into a sustainable source of nutrients and as an innovative plant-based protein. The current information is crucial in imparting dietary recommendations on utilising sweet potato haulm as part of human or animal diet. Future studies that emphasise on the micronutrient and antinutrient contents of the haulm are recommended.

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Item Type:	Article
AGROVOC Term:	Sweet potatoes
AGROVOC Term:	Ipomoea batatas
AGROVOC Term:	Haulms
AGROVOC Term:	Fruit extracts
AGROVOC Term:	Pasteurization
AGROVOC Term:	Nutritional value
AGROVOC Term:	Mineral content
AGROVOC Term:	Macronutrients
Depositing User:	Mr. AFANDI ABDUL MALEK
Last Modified:	24 Apr 2025 00:55
URI:	http://webagris.upm.edu.my/id/eprint/10752

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