Acaricidal Activity of Eugenol Based Compounds against Scabies Mites

https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0012079

Contact bioassays were performed using live permethrin-sensitive S. scabiei var suis mites harvested from pigs and permethrin-resistant S. scabiei var canis mites harvested from rabbits. Results of bioassays showed that clove oil was highly toxic against scabies mites. Nutmeg oil had moderate toxicity and ylang ylang oil was the least toxic. Eugenol, a major component of clove oil and its analogues –acetyleugenol and isoeugenol, demonstrated levels of toxicity comparable to benzyl benzoate, the positive control acaricide, killing mites within an hour of contact.

The median survival times of permethrin-sensitive and resistant scabies mite populations exposed to clove oil, nutmeg oil and ylang ylang oil are shown in Table 1.

At all concentrations tested (1.56%–25%), contact with clove oil resulted in 100% mortality of permethrin-sensitive mites after 0.25 hours.

Permethrin-resistant mites died at the same time but required higher concentrations (β‰₯6.25%) of clove oil (Table 1 and Fig. 2A–B).

A dose dependent change in median survival time of permethrin-sensitive mites was observed when mites were exposed to nutmeg oil, with a very low mortality observed at concentrations below 6.25%. In contrast, permethrin-resistant mites were less susceptible to nutmeg oil with median mortality occurring only at 25% oil after 4 hours (Table 1 and Fig. 2C–D). Permethrin-sensitive and permethrin-resistant mites were both tolerant to ylang ylang oil, with significant mortality only occurring at the highest concentration tested. Of note, however, the acaricidal effect was faster in sensitive mites than in resistant mites (Table 1 and Fig. 2E–F).

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πŸ‘€︎ u/RNursey-nurse
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Sperm viability and gene expression in honey bee queens (Apis mellifera) following exposure to the neonicotinoid insecticide imidacloprid and the organophosphate acaricide coumaphos - June 2016 sciencedirect.com/science…
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πŸ‘€︎ u/Vailhem
πŸ“…︎ Jun 12 2017
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Wild bitter melon (Momordica charantia) - Antifungal, antibiotic, acaricidal, antiinflamatory and antidiabetic.
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πŸ‘€︎ u/123brener
πŸ“…︎ Jan 27 2021
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Blind Girl Here. Give Me Your Best Blind Jokes!

Do your worst!

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πŸ‘€︎ u/Leckzsluthor
πŸ“…︎ Jan 02 2022
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What starts with a W and ends with a T

It really does, I swear!

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πŸ‘€︎ u/PsychedeIic_Sheep
πŸ“…︎ Jan 13 2022
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Dropped my best ever dad joke & no one was around to hear it

For context I'm a Refuse Driver (Garbage man) & today I was on food waste. After I'd tipped I was checking the wagon for any defects when I spotted a lone pea balanced on the lifts.

I said "hey look, an escaPEA"

No one near me but it didn't half make me laugh for a good hour or so!

Edit: I can't believe how much this has blown up. Thank you everyone I've had a blast reading through the replies πŸ˜‚

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πŸ‘€︎ u/Vegetable-Acadia
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What is a a bisexual person doing when they’re not dating anybody?

They’re on standbi

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πŸ‘€︎ u/Toby-the-Cactus
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Geddit? No? Only me?
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πŸ‘€︎ u/shampy311
πŸ“…︎ Dec 28 2021
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What do you call quesadillas you eat in the morning?

Buenosdillas

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πŸ‘€︎ u/FarronKeepSucks
πŸ“…︎ Jan 14 2022
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I wanna hear your best airplane puns.

Pilot on me!!

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πŸ‘€︎ u/Paulie_Felice
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E or ß?
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πŸ‘€︎ u/Amazekam
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No spoilers
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πŸ‘€︎ u/Onfour
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Covid problems
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πŸ‘€︎ u/theincrediblebou
πŸ“…︎ Jan 12 2022
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These aren't dad jokes...

Dad jokes are supposed to be jokes you can tell a kid and they will understand it and find it funny.

This sub is mostly just NSFW puns now.

If it needs a NSFW tag it's not a dad joke. There should just be a NSFW puns subreddit for that.

Edit* I'm not replying any longer and turning off notifications but to all those that say "no one cares", there sure are a lot of you arguing about it. Maybe I'm wrong but you people don't need to be rude about it. If you really don't care, don't comment.

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πŸ‘€︎ u/Lance986
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Spi__
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πŸ‘€︎ u/Fast_Echidna_8520
πŸ“…︎ Jan 11 2022
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I had a vasectomy because I didn’t want any kids.

When I got home, they were still there.

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πŸ‘€︎ u/demotrek
πŸ“…︎ Jan 13 2022
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What did 0 say to 8 ?

What did 0 say to 8 ?

" Nice Belt "

So What did 3 say to 8 ?

" Hey, you two stop making out "

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πŸ‘€︎ u/designjeevan
πŸ“…︎ Jan 03 2022
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I dislike karma whores who make posts that imply it's their cake day, simply for upvotes.

I won't be doing that today!

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πŸ‘€︎ u/djcarves
πŸ“…︎ Dec 27 2021
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The Ancient Romans II
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πŸ‘€︎ u/mordrathe
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How do you stop Canadian bacon from curling in your frying pan?

You take away their little brooms

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πŸ‘€︎ u/Majorpain2006
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School Was Clothed
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πŸ‘€︎ u/Kennydoe
πŸ“…︎ Jan 08 2022
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I did it, I finally did it. After 4 years and 92 days I went from being a father, to a dad.

This morning, my 4 year old daughter.

Daughter: I'm hungry

Me: nerves building, smile widening

Me: Hi hungry, I'm dad.

She had no idea what was going on but I finally did it.

Thank you all for listening.

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πŸ‘€︎ u/Sk2ec
πŸ“…︎ Jan 01 2022
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It this sub dead?

There hasn't been a post all year!

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Couch potato
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Baka!
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πŸ‘€︎ u/ridi86
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concrete πŸ—Ώ
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πŸ‘€︎ u/Fast_Echidna_8520
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Letting loose with these puns
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My name is ABCDEFGHIJKMNOPQRSTUVWXYZ

It’s pronounced β€œNoel.”

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πŸ‘€︎ u/beef_fried_rice
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All dad jokes are bad and here’s why

Why

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πŸ‘€︎ u/LordCinko
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Why are people so surprised and angry about Djokovic being an anti-vaxxer?

After all his first name is No-vac

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That’s Michelle
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πŸ‘€︎ u/FLEXSEALBREAKER
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If Korean pop is shortened to Kpop and Korean Drama is Kdrama...

What, then, is Chinese rap?

Edit:

Notable mentions from the comments:

  • Spanish/Swedish/Swiss/Serbian hits

  • French/Finnish art

  • Country/Canadian rap

  • Chinese/Country/Canadian rock

  • Turkish/Tunisian/Taiwanese rap

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πŸ‘€︎ u/hootanahalf
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Is this sub still active?

There hasn't been a single post this year!

(Happy 2022 from New Zealand)

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What did the ocean say to the beach?

Nothing, it just waved

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is Isn't
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