true or not, the foods below are considered to be negative calorie foods which means they burn more calories during the eating and digestion process (quanity considering) than the item has calories itself

apples
apricots grapes
green beans
honeydew
huckleberries
kale
kohlrabi
kumquats
leeks
lemons
lettuce
limes
lobster
loganberries
mangoes
mushrooms
muskmelons
mussels
mustard greens
nectarines
okra
onions
oranges
oysters
papaya
parsley leaves
parsnips
peach
pears
peas
peppers
pineapple
pomegranates
prunes
pumpkin
quince
radishes
raspberries
red cabbage
rhubarb
rutabagas
sauerkraut
scallions
sea bass
shrimps
sorrel
spinach
squash
strawberries
string beans
tangerines
terrapin
tomato
turnips
watercress
artichokes
asparagus
beet greens
beets
blackberries
blueberries
broccoli
brussels sprouts
buffalo fish
cabbage
cantaloupe
carrots
cauliflower
celeriac
celery
cherries
chervil
chicory
chinese cabbage
chives
clams
cod
corn
crabs
cranberries
cucumbers
currants
damson plum
dandelion greens
eggplant
endive
flounder
frogs legs
garlic
grapefruit
gazpacho