Muhammad Yasin
National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
Masood Sadiq Butt
National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
Faqir Muhammad Anjum
National Institute of Food Science and Technology, University of Agriculture, Faisalabad, Pakistan
Muhammad Shahid
Department of Chemistry and Biochemistry, University of Agriculture, Faisalabad, Pakistan
ABSTRACT
The present investigation was an effort to explore the nutritional profile and antioxidant indices of vitamin K dietary sources i.e., spinach and soybean. For the purpose, spinach and soybean were nutritionally characterized with special reference to vitamin K content. The proximate composition of spinach exhibited that moisture, crude protein, crude fat, crude fiber, ash and Nitrogen Free Extract (NFE) as 90.71±4.14, 2.03±0.95, 0.32±0.007, 0.58±0.02, 1.24±0.06 and 5.01±0.11%, respectively. However, tested soybean indicated the values respective traits as 8.96±0.45, 32.28±1.99, 18.64±1.02, 2.93±0.16, 3.38±0.19 and 33.79±1.15%. Furthermore, spinach showed good mineral profile dominated by magnesium, potassium and calcium whilst soybean is abundant in potassium, zinc and magnesium. The HPLC quantification of vitamin K revealed that spinach contained 379.09 μg/100g phylloquinone as compared to soybean 29.79 μg/100g. Amongst antioxidant extracts, methanolic extracts of spinach and soybean showed higher total phenolic, DPPH scavenging and antioxidant activities. In conclusion, spinach showed higher antioxidant status and phylloquinone as compared to soybean however, soybean contained ample amount of protein and fat contents.
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How to cite this article
Muhammad Yasin, Masood Sadiq Butt, Faqir Muhammad Anjum and Muhammad Shahid, 2013. Nutritional and Antioxidant Profiling of Vitamin K Dietary Sources. Pakistan Journal of Nutrition, 12: 996-1002.
DOI: 10.3923/pjn.2013.996.1002
URL: https://scialert.net/abstract/?doi=pjn.2013.996.1002
DOI: 10.3923/pjn.2013.996.1002
URL: https://scialert.net/abstract/?doi=pjn.2013.996.1002
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Jack Reply
I've been taking Vitamin K2 supplements for about two months now, and I must say, I'm quite impressed with the results. Not only have I noticed an improvement in my overall bone and heart health, but I also feel more energetic throughout the day. These supplements are easy to incorporate into my daily routine, and I love that they're made from high-quality ingredients.
Editor
Thank you for sharing your experience with Vitamin K2 supplements. We're glad to hear that you've noticed improvements in your health and energy levels. Our research on Vitamin K dietary sources aims to provide evidence-based information on the nutritional and antioxidant profiles of different food sources of this important vitamin. We hope that our findings can help people make informed decisions about their diet and supplement choices.