Polyphenol increasing agent for harvested tea leaves, resin pellet, harvested tea leaf storage sheet and manufacturing method therefor
US8852459B2 · kind B2 · utility
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8Claims
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Key dates
| Filing date | Apr 2, 2012 |
| Grant date | Oct 7, 2014 |
| Priority date | — |
| Expiry date | Apr 2, 2032 |
Classification
- Technology area (CPC A)Human Necessities
- CPC primaryA23V2002/00
- WIPO fieldFood chemistry
- WIPO sectorChemistry
Abstract
A polyphenol increasing agent for plant leaves, a polyphenol and amino acid increasing agent for plant leaves, a resin pellet, a plant leaf storage sheet, and a method for manufacturing a plant leaf storage sheet which can improve the storability of the plant leaves such as leafy vegetables and tea leaves are provided. A polyphenol increasing agent for plant leaves includes proanthocyanidins and trehalose. The polyphenol increasing agent for plant leaves preferably includes proanthocyanidins and trehalose at a weight ratio of 1:15 to 1:60. A plant leaf storage sheet includes the polyphenol increasing agent for plant leaves.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.