The invention relates to the field of food production, and provides a production method and
system of a
plant extract composition for improving
metabolism in a low-carbon diet period. The preparation method comprises the following steps: step 1, preparing a mixture to be processed, and the mixture to be processed comprises the following components in parts by weight: 0.05 part of an
opuntia ficus-indica extract, 0.05 part of a guarana extract, 30 parts of virgin
coconut oil microcapsule
powder, 3 parts of medium-chain
triglyceride microcapsule
powder, 0.5 part of a
grape seed extract, 0.05 part of a potato extract and 0.5 part of a pomegranate extract; 2, the mixture to be processed is poured into a stirrer to be mixed and stirred into a stirred mixture; step 3, preparing the stirred mixture into
powder with the particle size of 10 microns by using a
spray dryer; step 4, packaging the powdery
plant extract composition into bags; the
spray dryer comprises a
machine body, a liquid box, a pump body, a liquid
pipe, a
nozzle and a
heat supply device, and a
drying effect improving mechanism is arranged in the
drying chamber. According to the invention, the
basal metabolic rate in the low-carbon diet period can be effectively increased.