Leal, Imelda
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Journal : Journal of Tropical Crop Science

Exploring Post-Harvest Processing of Tropical Crops: Moringa oleifera and Zea mays as Alternative Ingredients for Gluten-Free Pasta Production Leal, Imelda; Garlit, Grace B.; Ramos, Lovelyn M.; Baldoz, Daniel J.
Journal of Tropical Crop Science Vol. 12 No. 02 (2025): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.12.02.327-334

Abstract

This study examines the potential of Moringa oleifera (moringa) and Zea mays (corn), two tropical crops, as alternative ingredients for gluten-free pasta, with a focus on their post-harvest processing to enhance their utility in gluten-free pasta production. Moringa leaves were carefully dried and ground into a fine powder, preserving their nutritional content, and incorporated into the dough. Corn kernels were milled into flour and blended with moringa powder, resulting in a smooth texture and mild flavor. These postharvest processing methods ensure that both crops maintain their nutritional value, offering significant potential as gluten substitutes and improving the overall quality of gluten-free products. Sensory assessments were also performed to evaluate the acceptability of the pasta. Raw and cooked pasta samples were presented to 100 respondents from five barangays in Banaybanay, Davao Oriental, Philippines. Feedback was gathered on sensory characteristics, including taste, flavor, aroma, and appearance, providing valuable data on the market acceptability of these tropical crop-based, gluten-free pasta alternatives. The gluten-free pasta received high mean scores for all sensory attributes, indicating strong consumer acceptance. The product exhibits promising market potential in the gluten-free food sector, boasting exceptional ratings for taste, flavor, smell, color, and appearance, as well as a general acceptability score of 8.53. The findings highlight the importance of postharvest processing in maximizing the nutritional benefits of moringa and corn, showcasing their potential as sustainable, nutritious ingredients for gluten-free pasta. This recommendation is based on the exceptional nutritional value, safety, and ability to leverage the rich potential of tropical crops.
Transforming Tropical Crops: Postharvest Processing and Enterprise Viability of MaCoMa Coffee Blend in Davao Oriental, Philippines Leal, Imelda; Ramos, Lovelyn M.; Ma-ata, Mar Fe S.; Micutuan, Catherine; Pieza, Jelian; Gutana, Katrina B.
Journal of Tropical Crop Science Vol. 12 No. 03 (2025): Journal of Tropical Crop Science
Publisher : Department of Agronomy and Horticulture, IPB University

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.29244/jtcs.12.03.584-593

Abstract

This study explored the development of a novel, non-caffeinated coffee alternative using underutilized tropical crops: marang seeds (Artocarpus odoratissimus), corn (Zea mays), and malunggay (Moringa oleifera) leaves. These crops are abundant in tropical regions, such as Banaybanay, Davao Oriental, Philippines, yet remain largely untapped for value-added food products. Marang, a seasonal fruit native to the Philippines, yields seeds rich in protein, fats, and carbohydrates, which are often discarded as waste. Corn, widely cultivated in the region, contributes dietary fiber and antioxidants, while malunggay leaves are celebrated for their dense micronutrient content, including iron, calcium, and vitamins A and C. The MaCoMa (Marang + Corn + Malunggay) coffee blend was formulated through strategic post-harvest processing techniques, including roasting, drying, and blending, to enhance flavor, preserve nutrients, and extend shelf life. The research evaluated both scientific parameters, such as nutritional profiling and sensory attributes (appearance, aroma, taste, and texture), as well as business viability factors, including consumer acceptability and financial metrics. A sensory evaluation conducted with 200 respondents revealed high levels of acceptability, particularly in terms of aroma and taste. Economic analysis indicated a Return on Investment (ROI) of 7.84%, a net profit margin of 6.86%, and a payback period of 1.5 years, evidence of strong enterprise potential. A SWOT analysis highlighted key strengths, including local availability, nutritional benefits, affordability, and sustainability, while also noting challenges such as limited market awareness and shelf-life constraints. This project demonstrates the potential of transforming tropical crops into market ready products that support community-based enterprises. The MaCoMa coffee blend offers a healthier alternative to conventional coffee, promotes agricultural innovation, reduces postharvest waste, and creates livelihood opportunities. Continued research into flavor variants, shelf-life stabilization, and regional marketing is recommended to scale its impact across tropical agricultural communities.