References:

Commercial alternatives:

• http://www.thesurvivalgardener.com/survival-plant-profile-florida-cranberry/
• https://lansdownefarm.wordpress.com/2016/05/10/rosella-jam/
• https://www.sowexotic.com/product-page/fresh-hibiscus-fruit-hibiscus-sabdariffa

Agricultural machine design inspirations:

• https://www.youtube.com/watch?v=nn7GmuXYKLQ
• https://www.alibaba.com/product-detail/MAYJOY-SUS304-Peach-Mango-Apricot-Seeds_60112442530.html?spm=a2700.details.maylikehoz.8.697a8c3ewoaYBH
• https://www.alibaba.com/product-detail/cherry-seed-removing-machine-fruit-seed_536065662

DIY core removal applications:

• https://food-hacks.wonderhowto.com/how-to/pit-apricots-plums-nectarines-other-stone-fruits-like-chef-0156873/
• https://www.thecoconuttool.com/wordpress/wp-content/uploads/2016/06/ToolWithCoconutPackaged-1.jpg

Market conditions and Developmental Economics:

• http://www.fao.org/fileadmin/user_upload/inpho/docs/Post_Harvest_Compendium_-_Hibiscus.pdf

Post harvest management:

• https://www.amazon.in/Postharvest-Management-Processing-Technology-Chavan/dp/817035787X (IITB Library)
• http://pib.nic.in/archieve/others/2012/mar/d2012031309.pdf

Cost benefit Analysis of Agronomic ventures:

• http://iad.ucdavis.edu/files/4415/0065/2866/Michael_Wallace.pdf

Similar research for Filipino market:

• https://www.slideshare.net/bardotgov/development-of-production-post-productionand-utilization-technologies-of-rosellehibiscus-sabdariffa-l-in-region-10-juanita-bsalvani-fe-n-abragan-antonieta-s-tumapon

Playlist of youtube videos referenced:

• https://www.youtube.com/watch?v=nJFq6iv-Vl4E&list=PLROC8NmxF12uDWyfxP6RqPHhAU64bx_0g

List of patents:
Sorrel harvesting machine (jamaica):

• http://www.google.com/patents/US9629390

Decorticator:

• http://www.google.com/patents/US4173177

Other Links:
• Useful resource e-links related to 'Industrial Design'
• Industrial Design at IDC, IIT Bombay

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