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Environmental factors affecting the phytonutrient contents of indigenous vegetable panawil (Leptosolena haenkei C. Presl.) in the Cordillera Region, Northern Philippines

By: Joyce N. Paing, Louisa P. Pladio, Yvonne D. Bolayo

Key Words: Cordillera, Panawil, Endemic, Ecological habitat, Phytonutrients.

J. Bio. Env. Sci. 13(3), 148-156, September 2018.

Certification: jbes 2018 0048 [Generate Certificate]

Abstract

Plants are known to produce wide array of chemicals. Indigenous vegetables are rich sources of vitamins, minerals, and phytochemicals (phytonutrients). It has tremendous potential to address poverty alleviation, nutritional security and with great potential value for future utilization. Panawil (Leptosolena haenkei C. Presl.) belongs to the Family Zingiberaceae. This endemic plant to the Cordillera has flowers which was utilized locally as vegetable. Panawil grow in clusters thriving in its ecological habitat at an altitudinal range of 600-1200 meters above sea level in Benguet and Mountain Province. Measured temperature at the time of sampling ranges from 22-26oC. Soil fertility was analyzed using the parameters soil pH, organic matter, phosphorus, and potassium content of the soil. Phytonutrient analyses revealed that indigenous vegetable panawil is a rich source of phytochemicals such as terpenoids, tannins, flavonoids, total phenolics, and antioxidants; minerals like phosphorus, potassium, iron, and zinc; and including vitamins A (β-carotene) and C (ascorbic acid). The study revealed that environmental factors influenced the phytonutrient contents of panawil. Total phenolic content of panawil varies with altitude, while flavonoid and leucoanthocyanin is influenced by soil pH. Similarly, variation in soil organic matter affects the plant potassium content.

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Environmental factors affecting the phytonutrient contents of indigenous vegetable panawil (Leptosolena haenkei C. Presl.) in the Cordillera Region, Northern Philippines

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Joyce N. Paing, Louisa P. Pladio, Yvonne D. Bolayo.
Environmental factors affecting the phytonutrient contents of indigenous vegetable panawil (Leptosolena haenkei C. Presl.) in the Cordillera Region, Northern Philippines.
J. Bio. Env. Sci. 13(3), 148-156, September 2018.
https://innspub.net/jbes/environmental-factors-affecting-phytonutrient-contents-indigenous-vegetable-panawil-leptosolena-haenkei-c-presl-cordillera-region-northern-philippines/
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