Abstract
Plant selection, input, and field management are proven strategies that produce high yields of crops bearing selected desirable characteristics for the nutraceutical and cosmeceutical industry. This study reports on the effect of substrate and light on selected quantitative and qualitative bioactive properties of two cultivars of Rubus idaeus L (‘Ruvi’ and ‘Cayuga’). Our results demonstrated that the quantitative and qualitative fruit characteristics (yield, fruit dimensions, titratable acidity, and total soluble solids contents), plant growth, biosynthesis of secondary metabolites, and total antioxidant capacity, are significantly affected by genotype, light intensity, and substrate type. Fruits from ‘Ruvi’ plants cultivated under low light conditions, on soil/peat substrate exhibited high levels of antioxidant capacity, phenolics, flavonoids, anthocyanins, and high inhibitory potency towards the skin-regulating enzymes tyrosinase and elastase. Extract derived from these fruits was formulated into a topical skin care cream. This cream exhibited excellent compatibility and stability characteristics. Our research concluded that quantity and quality of Rubus idaeus L. fruits could be efficiently managed through conventional agronomic practices. Our project determined the optimal agronomic management practices to produce desirable characteristics and maximize bioactive content that determine the nutraceutical and cosmeceutical quality of the red raspberry.
Highlights
In 2016, the nutraceutical and cosmeceutical industries were estimated to produce $159 billion in global revenue [1]
Our results demonstrate that these factors affect the nutraceutical and cosmeceutical potential of red raspberry fruit extracts
The other lot was left uncovered and plants were exposed to full sunlight
Summary
In 2016, the nutraceutical and cosmeceutical industries were estimated to produce $159 billion in global revenue [1]. This is a major segment of the >$1 trillion market for the health and wellness industry according to the Global Wellness Institute. This value is expected to rise annually concurrent with consumer wealth, age, and demand for naturally derived “green” products. The term “nutraceutical” indicates a fortified food or a dietary supplement that is held to provide health or medical benefits in addition to its basic nutritional value.
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