This video explains about DPPH Assay: Radical Scavenging Activity Assay – Principle, Procedure, Advantages and Limitations.

Calculation of Total Antioxidant Capacity [TAC] and the percentage Radical Scavenging Activity.

DPPH assay was discovered by Goldschmidt and Renn in the 1920s. DPPH stands for 2, 2-diphenyl-1-picrylhydrazyl.It is a stable free radical with purple colour which turn yellow when scavenged. DPPH is used for measuring the Total Antioxidant Capacity (TAC).Antioxidant capacity is an overall ability of organisms or food to catch free radicals and prevent their harmful effect.

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#skincare #fragrancefree #antioxidants #serums #antiaging

Best Antioxidant Skincare Serums – Fragrance Free

NIOD Survival 0
Contains Superoxide Dismutase, Pinus Pinaster Bark – both of which help fight off free radical damage as well as UV damage. Works great under sunscreen!
At BeautyBay: https://tidd.ly/3A1DfSo

Mary & May Idebenone and Blackberry Serum
Contains both Idebenone and Blackberry. Idebenone is a synthetic antioxidant with similarities to CoQ10. Helps neutralize free radical damage. Thought to help with fine lines, wrinkles, and also help with photoprotective benefits.
At Yesstyle: https://ystyle.co/fEh2
Use Rewards Code NOBSBEAUTY for an additional discount!

Hyggee Natural Repair Serum
Uses Ginseng, which has been used orally and topically for thousands of years. Ginseng can help with pigmentation, overall brightness, and also dark circles on the eye area. Ginseng can also help skin hydration and has anti-aging benefits.
At Stylekorean:
https://www.stylekorean.com/shop/hyggee-natural-repair-serum-30ml/1606206987/tag/nobsbeauty

Geek & Gorgeous C Glow Vitamin C Serum
Contains Vitamin C (ascorbic acid – 15%) – A clinically proven active that gives the skin environmental protection (antioxidant), boosts collagen production and fades hyperpigmentation. Also contains Ferulic acid + Vitamin E – Antioxidants that help to stabilize Vitamin C and increase its antioxidant power.
At G&G: https://iaff.geekandgorgeous.com/idevaffiliate.php?id=169&url=320

Graymelin Astaxanthin Serum
Astaxathin is a potent antioxidant with a deep red/orange color to it from the carotenoid group that comes mostly from microalgae. Can be taken orally or applied topically. Can help with wound healing as well as wrinkles, fine lines, pigmentation, texture, and hydration.
At Yesstyle: https://ystyle.co/spFB
Use Rewards Code NOBSBEAUTY for an additional discount!

The Ordinary Pycnogenol
Pycnogenol, Aka Pinus Pinaster Bark Extract. Horphag Research trademarked the name ‘Pycnogenol’, which refers to a standardized, high-active content version of the pine bark extract. Can be used topically (more recently) and orally. Pycnogenol has antioxidant, anti-inflammatory, and anticarcinogenic benefits.
At Ulta: https://fxo.co/CniE

Geek and Gorgeous Stress Less Serum
Contains Beta Glucan, an antioxidant with hydrating and soothing benefits. Even small amounts of beta glucan can help hydrate skin, even better than “it” humectant hyaluronic acid.
At Geek and Gorgeous: https://iaff.geekandgorgeous.com/idevaffiliate.php?id=169&url=78
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