Preparation method of astaxanthin microcapsule and application to cigarette shreds

The invention discloses a preparation method of an astaxanthin microcapsule and application to cigarette shreds. The preparation method comprises the steps of blending an astaxanthin solution prepared from crustacea marine organisms or haematococcus pluvialis spore and cannabis oil into an astaxanthin and oil solution with the mass concentration being 1-10%; mixing one or two of maltodextrin, beta-cyclodextrin, modified starch and arabic gum with distilled water, so that a wall material solution with the mass content of solid matter being 20-30% is obtained; mixing the wall material solution with compound emulsifier according to the mass ratio of 1: 2, and conducting stirring till mixed liquor is completely emulsified, so that a wall material and emulsifier solution; mixing the astaxanthin and oil solution with the wall material and emulsifier solution according to the mass ratio of 1: 10, and conducting stirring, so that astaxanthin emusifier is obtained, and conducting homogenization and spray-drying, so th