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Abstract
ABS-91
EFFECTIVENESS OF QUERCETIN FROM KENIKIR LEAVES (Cosmos Caudatus Kunth) IN NANOEMULSION FORMULA AS AN ANTIOXIDANT USING RICE BRAN OIL
Siti Hajir, Ratri Ariatmi Nugrahani, Ismiyati, Nurul Hidayati Fithriyah
Corresponding Author: siti hajir


Question & Answer to the Presentation

Question from Ms. Upit Pitrianingsih
2020.11.18 13:36:04

Hi Ms. Siti Hajir, why choose nanoemulsion why not microemulsion for this research?
Replies:

Reply from Ms. siti hajir
2020.11.18 14:27:38

Thanks for your Question Ms.Upit
a very good question, why do I prefer nanoemulsion over microemulsion because based
on the particle size nanoemulsion has a very small size when compared to microemulsion
so that it is expected that the absorption of active compounds into the body is maximized.


Question from Ms. Tiara Mega Kusuma
2020.11.18 11:05:24

I am so interest with your research because we have the same research
background.

My question:
You are using 40% surfactan? are you sure that there is no micelles. Because your
concentration of surfactan is very high. How about the toxicity dose of tween 80?
Replies:

Reply from Ms. siti hajir
2020.11.18 13:14:01

Thanks for your Question Ms. Tiara
I am sure about the composition of the nanoemulsion in my research, in Actually I have
carried out various experiments to get the ratio of the surfactant, RBO oil and active
quercetin used in order to obtain the optimal match to produce a stable nanoemulsion.
and from the literature that I got Tween 80 is a surfactant that has non-toxic properties
and does not irritate the skin, whose system works as an emulsifier and maintains a
balance between hydrophobic groups and hydrophilic groups. Thanks

Reply from Ms. Tiara Mega Kusuma
2020.11.18 13:21:19

thanks for the answer. i wish we have research collaborate in the future. Best
regards. Please contact me on +6285801886860. Thank you

Reply from Ms. siti hajir
2020.11.18 13:28:21

thank you Ms Tiara for paying attention to my research, Insya Allah for the future
hopefully we can do sharing information that we needed. greetings also from me siti hajir
and you can contact me too on +6283181370302 thank so much


Question from Ms. Retna Tri Astuti
2020.11.17 22:56:09

What are the recommendations from the research results for further research?
Replies:

Reply from Ms. siti hajir
2020.11.18 05:04:02

Recommendations for further research can use antioxidant testing methods other than the
DPPH method so that a more accurate antioxidant value can be found.
Further research can also be carried out using active compounds from other plants and
using the Rice Bran oil oil phase

Reply from Ms. Retna Tri Astuti
2020.11.18 10:16:05

Thank you for your answer. Can i know why in your recomendation you will use the rice bran oil phase, is there an excess of this oil with other oils?

Reply from Ms. siti hajir
2020.11.18 11:02:33

Thanks Ms. Retna for your Question
why I prefer to use rice bran oil because this oil has high antioxidant components,
such as tocopherols / tocotrienols and gamma-oryzanol,
which can be useful for nanoemulsion formulations, which later when combined with the
active compound quercetin in the nanoemulsion system so that it can increase the
absorption of active compounds in the body, besides Rice bran oil
is oil that has a chain
moderate so that is possible
produce a stable nanoemulsion preparation


Question from Ms. siti hajir
2020.11.15 19:42:32

excuse me, i want to renew my video prensentation, Can I upload the new video
presentation please because somethink that Iam forget too including in old video..thank
you
Replies:


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